Estimated median household income in 2007: $107,896
| This zip code: | $107,896 | | California: | $59,948 |
Nearest zip codes: 94596, 94518, 94523, 94595, 94507, 94521.
Housing units in zip code 94598 with a mortgage: 5,717 (621 second mortgage, 1,007 home equity loan, 46 both second mortgage and home equity loan)
Houses without a mortgage: 1,766
Median monthly owner costs for units with a mortgage: $3,360
Median monthly owner costs for units without a mortgage: $630
Residents with income below the poverty level in 2007:
| This zip code: | 2.5% | | Whole state: | 12.4% |
Residents with income below 50% of the poverty level in 2007:
| This zip code: | 1.3% | | Whole state: | 5.1% |
Median number of rooms in houses and condos:
| Here: | 7.1 | | State: | 5.8 |
Median number of rooms in apartments:
| Here: | 4.1 | | State: | 3.5 |
Year house built: |
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- 1999 to March 2000: 62
- 1995 to 1998: 255
- 1990 to 1994: 307
- 1980 to 1989: 1,302
- 1970 to 1979: 4,067
- 1960 to 1969: 2,963
- 1950 to 1959: 1,242
- 1940 to 1949: 190
- 1939 or earlier: 77
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Bedrooms in owner-occupied houses in Walnut Creek, CA (94598): |
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- no bedroom: 12
- 1 bedrooms: 195
- 2 bedrooms: 900
- 3 bedrooms: 2,400
- 4 bedrooms: 3,504
- 5 or more bedrooms: 1,089
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Bedrooms in renter-occupied apartments and housing units: |
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- no bedroom: 225
- 1 bedrooms: 540
- 2 bedrooms: 753
- 3 bedrooms: 428
- 4 bedrooms: 196
- 5 or more bedrooms: 39
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Vehicles available in 94598 zip code in owner-occupied houses/condos: |
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- no vehicle: 106
- 1 vehicle: 1,920
- 2 vehicles: 4,196
- 3 vehicles: 1,472
- 4 vehicles: 310
- 5 or more vehicles: 96
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Vehicles available in renter-occupied apartments: |
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- no vehicle: 235
- 1 vehicle: 936
- 2 vehicles: 821
- 3 vehicles: 152
- 4 vehicles: 24
- 5 or more vehicles: 13
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Estimated household income distribution in 2007:

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Estimate of home value of owner-occupied houses/condos in 2007 in zip code 94598:
- Less than $10,000: 8
- $10,000 to $14,999: 4
- $15,000 to $19,999: 4
- $20,000 to $24,999: 4
- $25,000 to $29,999: 3
- $30,000 to $34,999: 2
- $35,000 to $39,999: 2
- $60,000 to $69,999: 1
- $70,000 to $79,999: 4
- $80,000 to $89,999: 7
- $90,000 to $99,999: 7
- $100,000 to $124,999: 26
- $125,000 to $149,999: 14
- $150,000 to $174,999: 2
- $200,000 to $249,999: 21
- $250,000 to $299,999: 90
- $300,000 to $399,999: 158
- $400,000 to $499,999: 164
- $500,000 to $749,999: 738
- $750,000 to $999,999: 1,741
- $1,000,000 or more: 4,932
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Rent paid by renters in 2007 in zip code 94598:
- Less than $100: 6
- $150 to $199: 19
- $200 to $249: 9
- $250 to $299: 3
- $300 to $349: 13
- $350 to $399: 4
- $500 to $549: 6
- $600 to $649: 23
- $650 to $699: 24
- $700 to $749: 40
- $750 to $799: 46
- $800 to $899: 218
- $900 to $999: 351
- $1,000 to $1,249: 940
- $1,250 to $1,499: 861
- $1,500 to $1,999: 1,085
- $2,000 or more: 883
- No cash rent: 95
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Median price asked for vacant for-sale houses and condos in 2007: $1,194,129.
Estimated median house (or condo) value in 2007 for: - White Non-Hispanic householders: $1,139,801
- Black or African American householders: $812,500
- American Indian or Alaska Native householders: $735,960
- Asian householders: $1,182,621
- Native Hawaiian and other Pacific Islander householders: $602,149
- Some other race householders: $1,319,108
- Two or more races householders: $990,736
- Hispanic or Latino householders: $1,154,520
Housing units in structures:
- One, detached: 6,868
- One, attached: 1,873
- Two: 70
- 3 or 4: 432
- 5 to 9: 337
- 10 to 19: 116
- 20 to 49: 163
- 50 or more: 585
- Mobile homes: 21

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Means of transportation to work
- Drove a car alone: 8,400 (69%)
- Carpooled: 934 (8%)
- Bus or trolley bus: 78 (1%)
- Streetcar or trolley car: 13 (0%)
- Subway or elevated: 1,522 (12%)
- Railroad: 153 (1%)
- Ferryboat: 9 (0%)
- Motorcycle: 53 (0%)
- Bicycle: 33 (0%)
- Walked: 110 (1%)
- Other means: 61 (0%)
- Worked at home: 859 (7%)
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Travel time to work
- Less than 5 minutes: 215
- 5 to 9 minutes: 947
- 10 to 14 minutes: 1472
- 15 to 19 minutes: 1461
- 20 to 24 minutes: 1215
- 25 to 29 minutes: 412
- 30 to 34 minutes: 1091
- 35 to 39 minutes: 341
- 40 to 44 minutes: 534
- 45 to 59 minutes: 1268
- 60 to 89 minutes: 1939
- 90 or more minutes: 471
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Percentage of zip code residents living and working in this county: 60.2%
Household type by relationship
Households: 25,649
- In family households: 22,078 (6,118 male householders, 1,267 female householders)
6,533 spouses, 7,242 children (6,889 natural, 144 adopted, 209 stepchildren), 145 grandchildren, 111 brothers or sisters, 217 parents, 222 other relatives, 223 non-relatives
- In nonfamily households: 3,571 (1,150 male householders (840 living alone)), 1,781 female householders (1,528 living alone)), 640 nonrelatives
- In group quarters: 351 (183 institutionalized population)
Size of family households: 3,388 2-persons, 1,562 3-persons, 1,719 4-persons, 533 5-persons, 126 6-persons, 57 7-or-more-persons.
Size of nonfamily households: 2,368 1-person, 509 2-persons, 34 3-persons, 20 4-persons.
4,974 married couples with children.
666 single-parent households (152 men, 514 women).
80.8% of residents of 94598 zip code speak English at home.
2.3% of residents speak Spanish at home (77% very well, 14% well, 7% not well, 2% not at all).
7.9% of residents speak other Indo-European language at home (77% very well, 18% well, 5% not well).
7.6% of residents speak Asian or Pacific Island language at home (65% very well, 22% well, 10% not well, 2% not at all).
1.4% of residents speak other language at home (81% very well, 16% well, 3% not well).
Foreign born population: 4,185 (16.1%)
(61.8% of them are naturalized citizens)
| This zip code: | 16.1% | | Whole state: | 26.2% |
Most common places of birth for the foreign-born residents:
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- China, excluding Hong Kong and Taiwan (9%)
- United Kingdom (7%)
- Iran (7%)
- Philippines (7%)
- India (6%)
- Taiwan (6%)
- Canada (5%)
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Year of entry for the foreign-born population |
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- 1995 to March 2000: 657
- 1990 to 1994: 533
- 1985 to 1989: 565
- 1980 to 1984: 485
- 1975 to 1979: 458
- 1970 to 1974: 461
- 1970 to 1974: 245
- 1965 to 1969: 781
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White population: 21,458
Black population: 246
American Indian population: 64
Asian population: 2,979
Native Hawaiian and Other Pacific Islander population: 48
Some other race population: 318
Two or more races population: 898

First ancestries reported:
|  Other groups: 4603 |
|  English: 2776 |
|  German: 2636 |
|  Irish: 2419 |
|  Italian: 1705 |
|  United States or American: 793 |
|  Swedish: 701 |
|  Norwegian: 582 |
|  Polish: 544 |
|  European: 530 |
|  French (except Basque): 515 |
|  Russian: 498 |
|  Scottish: 446 |
|  Iranian: 431 |
|  Dutch: 349 |
|  Scotch-Irish: 325 |
|  Danish: 289 |
|  Arab:: 269 |
|  British: 262 |
|  Portuguese: 194 |
|  Eastern European: 191 |
|  Northern European: 179 |
|  Subsaharan African:: 171 |
|  Greek: 159 |
|  Arab/Arabic: 143 |
|  Ukrainian: 133 |
|  French Canadian: 133 |
|  Armenian: 130 |
|  African: 122 |
|  Swiss: 111 |
|  Canadian: 97 |
|  Hungarian: 94 |
|  Finnish: 91 |
|  Austrian: 74 |
|  Israeli: 72 |
|  Welsh: 68 |
|  Croatian: 65 |
|  Romanian: 63 |
|  Latvian: 61 |
|  Czechoslovakian: 59 |
|  Scandinavian: 54 |
|  Afghan: 50 |
|  Egyptian: 49 |
|  Turkish: 42 |
|  Czech: 41 |
|  Lebanese: 38 |
|  Belgian: 37 |
|  Ethiopian: 34 |
|  Lithuanian: 33 |
|  Yugoslavian: 33 |
|  Serbian: 30 |
|  Slovak: 28 |
|  New Zealander: 21 |
|  Moroccan: 17 |
|  Icelander: 16 |
|  Syrian: 14 |
|  Maltese: 14 |
|  West Indian (excluding Hispanic groups):: 14 |
|  Slavic: 13 |
|  Celtic: 11 |
|  Trinidadian and Tobagonian: 11 |
|  Other Arab: 8 |
|  Bulgarian: 7 |
|  South African: 7 |
|  Carpatho Rusyn: 6 |
|  Australian: 6 |
|  Ghanian: 6 |
|  Pennsylvania German: 6 |
|  Macedonian: 6 |
|  Acadian/Cajun: 6 |
|  Brazilian: 5 |
|  Bermudan: 3 |
|  Basque: 2 |
|  Nigerian: 2 |

Major facitilies with environmental interests located in this zip code:
- CHEVRON STATION NO 99206 (1805 YGNACIO VALLEY RD in WALNUT CREEK, CA)
STATE MASTER (California - Hazardous Waste Tracking) - HAZARDOU WASTE PROGRAM
Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification
STATE MASTER (California - Used Oil Recycling System ) - USED OIL RECYCLING
Organizations: CHEVRON PRODUCTS CO (CONTACT/OWNER)
Alternative names: WALNUT CREEK CHEVRON SERVICE CENTER
- JGI PRODUCTION GENOMICS FACILITY (2800 MITCHELL DRIVE in WALNUT CREEK, CA). Federal Facility. DOE - ENERGY, SCIENCE & ENVIRONMENT
STATE MASTER (California - Hazardous Waste Tracking) - HAZARDOU WASTE PROGRAM
HAZARDOUS WASTE BIENNIAL REPORTER (Resource Conservation and Recovery Act (tracking hazardous waste))
Large Quantity Generators, more that 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste))
Organizations: UNIVERSITY OF CALIFORNIA (CONTACT/OPERATOR)
, CASTLE ROCK I, LP (CONTACT/OWNER)
Alternative names: PRODUCTION SEQUENCING FACILITY
- G TODD ACKLAM DBA ACKIAM TRUCKING (576 MAETTERHORNI DR in WALNUT CREEK, CA)
STATE MASTER (California - Hazardous Waste Tracking) - HAZARDOU WASTE PROGRAM
TRANSPORTER (Resource Conservation and Recovery Act (tracking hazardous waste))
- KAISER FOUNDATION HEALTH PLAN (25 N VIA MONTE in WALNUT CREEK, CA)
STATE MASTER (California - Hazardous Waste Tracking) - HAZARDOU WASTE PROGRAM
Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification
Alternative names: KAISER PERMANENTE
- KAISER PARK SHADELANDS MED OFC (320 LENNON LN in WALNUT CREEK, CA)
STATE MASTER (California - Hazardous Waste Tracking) - HAZARDOU WASTE PROGRAM
Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification
Organizations: KAISER FOUNDATION HOSP (CONTACT/OWNER)
Alternative names: KAISER PERMANENTE
- FOOTHILL MIDDLE (2775 CEDRO LANE in WALNUT CREEK, CA)
(National Center for Education Statistics) - STATE ID-6004063
Organizations: MT. DIABLO UNIFIED (SCHOOL DISTRICT)
- INDIAN VALLEY ELEMENTARY (551 MARSHALL DR. in WALNUT CREEK, CA)
(National Center for Education Statistics) - STATE ID-6005177
Organizations: WALNUT CREEK ELEMENTARY (SCHOOL DISTRICT)
- BANCROFT ELEMENTARY (2200 PARISH DR. in WALNUT CREEK, CA)
(National Center for Education Statistics) - STATE ID-6003966
Organizations: MT. DIABLO UNIFIED (SCHOOL DISTRICT)
- NORTHGATE HIGH (425 CASTLE ROCK ROAD in WALNUT CREEK, CA)
(National Center for Education Statistics) - STATE ID-0730044
Organizations: MT. DIABLO UNIFIED (SCHOOL DISTRICT)
- APPLIED CHEMICAL DISPOSAL INC (2775 MITCHELL DR STE 220 in WALNUT CREEK, CA)
TRANSPORTER (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification
- EASTBAY MEDICAL IMAGING (1515 YGNACIO VALLEY RD STE H in WALNUT CREEK, CA)
Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification
Organizations: YGNACIO ASSOCIATES (CONTACT/OWNER)
- ENGINEERING REMEDIATION RESOURCES GROUP (2815 MITCHELL DR STE 103 in WALNUT CREEK, CA)
TRANSPORTER (Resource Conservation and Recovery Act (tracking hazardous waste))
Organizations: CINDY LIU (CONTACT/OWNER)
- FOTOMAT CORP EB809 (1835 YGNACIO VALLEY RD in WALNUT CREEK, CA)
Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste)) - notification
Organizations: FOTOMAT CORPORATION (CONTACT/OWNER)
Median worth of mobile homes: $20,501
Housing units lacking complete plumbing facilities: 0%
Housing units lacking complete kitchen facilities: 1%
Most commonly used house heating fuel: |
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- Utility gas (80%)
- Electricity (19%)
- Bottled, tank, or LP gas (1%)
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Place of birth for U.S.-born residents:
- This state: 12259
- Northeast: 2728
- Midwest: 3160
- South: 1524
- West: 1775
61% of the 94598 zip code residents lived in the same house 5 years ago.
Out of people who lived in different houses, 55% lived in this county.
Out of people who lived in different counties, 60% lived in California.
Population in 1990: 24,174. Population change in the 1990s: +1,837 (+7.6%).
Year Householders Moved Into Unit:
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Private vs. public school enrollment:
Students in private schools in grades 1 to 8 (elementary and middle school): 336
| Here: | 11.5% | | California: | 9.9% |
Students in private schools in grades 9 to 12 (high school): 193
| Here: | 12.5% | | California: | 7.8% |
Students in private undergraduate colleges: 162
| Here: | 15.2% | | California: | 15.4% |
School Enrollment by Level of School
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Companies with federal contracts located in this zip code (WALNUT CREEK, CA):
- INNOVATIVE TECHNICAL SOLUTIONS (2730 SHADELANDS DRIVE, SUI; small business): $217,317,995 in 767 contracts from 2000 to 2006
Contracts for Other Architect and Engineering Services, Other Environmental Services, Studies, and Analytical Support, Construction of Structures and Facilities -- Restoration of real property, Maintenance, Repair or Alteration of Real Property -- Other Non-Building Facilities, and more by Air Force, Navy, Army, Department of Veterans Affairs, and others Signed by year: 2000: $1,772,274; 2001: $10,099,708; 2002: $41,196,418; 2003: $41,308,206; 2004: $51,377,216; 2005: $49,637,700; 2006: $21,926,473.
Biggest contracts:
$10,831,407 with Air Force for Other Architect and Engineering Services. Taking place in UT. Signed on 2005-04-07. Completion date: 2005-11-30.
$5,230,627 with Navy for Other Environmental Services, Studies, and Analytical Support. Signed on 2002-11-12. Completion date: 2004-05-11.
$4,999,682, same as above. Signed on 2003-07-30. Completion date: 2005-08-14.
$4,398,000 with Air Force for Other Architect and Engineering Services. Taking place in FL. Signed on 2002-09-20. Completion date: 2004-03-31.
- ITSI/PARSONS DESIGN BUILD PLUS (2730 SHADELANDS, STE 100; small business): $16,435,937 in 18 contracts from 2004 to 2006
Contracts for Residential Buildings, Other Buildings, Architect - Engineer Services (including landscaping, interior layout, and designing), Industrial Buildings, and more by Air Force Signed by year: 2000: $0; 2001: $0; 2002: $0; 2003: $0; 2004: $9,092,625; 2005: $7,253,312; 2006: $90,000.
Biggest contracts:
$4,928,692 with Air Force for Residential Buildings. Taking place in AR. Signed on 2004-09-27. Completion date: 2006-03-30.
$2,500,000 with Air Force for Other Buildings. Taking place in TN. Signed on 2005-09-29. Completion date: 2006-10-31.
$2,495,385 with Air Force for Architect - Engineer Services (including landscaping, interior layout, and designing). Taking place in MO. Signed on 2005-09-28. Completion date: 2006-11-30.
$2,378,069 with Air Force for Residential Buildings. Taking place in MO. Signed on 2004-09-30. Completion date: 2006-02-28.
- ENVIRONMENTAL MANAGEMENT SERVI (3075 CITRUS CIR STE 160; small business): $8,710,803 in 27 contracts from 2005 to 2006
Contracts for Hazardous Substance Removal, Cleanup, and Disposal Services and Operational Support, Development of Environmental Impact Statements and Assessments by Army Signed by year: 2000: $0; 2001: $0; 2002: $0; 2003: $0; 2004: $0; 2005: $4,122,518; 2006: $4,588,285.
Biggest contracts:
$1,723,479 with Army for Hazardous Substance Removal, Cleanup, and Disposal Services and Operational Support. Signed on 2006-04-12. Completion date: 2010-07-30.
$1,695,690 with Army for Development of Environmental Impact Statements and Assessments. Signed on 2005-06-10. Completion date: 2010-04-28.
$1,649,823, same as above. Signed on 2005-11-09. Completion date: 2010-07-30.
$879,723, same as above. Signed on 2006-04-07. Completion date: 2010-04-28.
- DETECTOR ENGINEERING & TECH IN (486 N WIGET LN; small business): $61,030 in 5 contracts from 2002 to 2003
Contracts for Hazard-Detecting Instruments and Apparatus, Drafting, Surveying, and Mapping Instruments, Electrical and Electronic Properties Measuring and Testing Instruments by Army Signed by year: 2000: $0; 2001: $0; 2002: $29,560; 2003: $31,470; 2004: $0; 2005: $0; 2006: $0.
Biggest contracts:
$28,480 with Army for Hazard-Detecting Instruments and Apparatus. Signed on 2002-06-12. Completion date: 2002-07-11.
$16,520, same as above. Signed on 2003-01-06. Completion date: 2003-02-24.
$14,950, same as above. Signed on 2003-09-17. Completion date: 2003-11-06.
$660 with Army for Drafting, Surveying, and Mapping Instruments. Signed on 2002-09-16. Completion date: 2002-09-24.
- GHOREISHI CONSULTANTS (868 STONEHAVEN DR; small business)
$24,480 with Navy for Educational Services. Signed on 2005-06-14. Completion date: 2005-10-15.
- ROLFJENSEN & ASSOCIATES, INC (2125 OAK GROVE ROAD, SUITE; small business): $-1,879 in 4 contracts in 2003
$0 with Navy for Architect - Engineer Services (including landscaping, interior layout, and designing). Signed on 2003-08-26. Completion date: 1995-12-07.
$0, same as above. Signed on 2003-08-26. Completion date: 1995-11-13.
$-,772, same as above. Signed on 2003-08-26. Completion date: 1995-12-07.
$-1,107, same as above. Signed on 2003-08-26. Completion date: 1995-11-13.
Top industries in this zip code by the number of employees in 2005:
- Health Care and Social Assistance: Offices of Physicians (except Mental Health Specialists) (250-499 employees: 1 establishment, 100-249 employees: 1 establishment, 20-49 employees: 4 establishments, 10-19 employees: 14 establishments, 5-9 employees: 24 establishments, 1-4 employees: 60 establishments)
- Finance and Insurance: Commercial Banking (250-499: 1, 100-249: 2, 50-99: 1, 20-49: 2)
- Information: Newspaper Publishers (500-999: 1)
- Professional, Scientific, and Technical Services: Engineering Services (100-249: 2, 50-99: 1, 20-49: 3, 10-19: 7, 5-9: 1, 1-4: 12)
- Administrative and Support and Waste Management and Remediation Services: Temporary Help Services (250-499: 1, 50-99: 1, 20-49: 2, 1-4: 3)
- Management of Companies and Enterprises: Corporate, Subsidiary, and Regional Managing Offices (250-499: 1, 20-49: 1, 10-19: 3, 5-9: 1, 1-4: 3)
- Real Estate and Rental and Leasing: Residential Property Managers (250-499: 1, 50-99: 1, 1-4: 1)
- Professional, Scientific, and Technical Services: Custom Computer Programming Services (100-249: 1, 50-99: 1, 20-49: 3, 10-19: 2, 5-9: 3, 1-4: 18)
- Health Care and Social Assistance: Home Health Care Services (250-499: 1, 20-49: 1, 1-4: 2)
- Information: Data Processing, Hosting, and Related Services (250-499: 1, 5-9: 2, 1-4: 5)
Age and Sex of Sensory-Disabled Residents (Noninstitutionalized)
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Age and Sex of Physically-Disabled Residents (Noninstitutionalized)
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Age and Sex of Mentally-Disabled Residents (Noninstitutionalized)
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Age and Sex of Self-Care Disabled Residents (Noninstitutionalized)
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Age and Sex of Go-Outside-Home Disabled Residents (Noninstitutionalized)
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Age and Sex of Residents with Employment Disability (Noninst.)
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People in group quarters
- 175 people in nursing homes
- 90 people in other noninstitutional group quarters
- 32 people in homes for the mentally retarded
- 15 people in other group homes
- 8 people in religious group quarters
- 6 people in homes for the mentally ill
Back to Walnut Creek, CA, Contra Costa County, CA, California bigger cities, California smaller cities, California smallest towns, All U.S. cities.
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