Median household income (1999): $40,844
Estimated median household income in 2005: $45,128
| This zip code | $45,128 | | Iowa: | $43,609 |
Nearest zip codes: 51235, 51230, 51239, 51240, 51250, 57027.
Housing units in zip code 51247 with a mortgage: 496 (61 second mortgage, 33 home equity loan, 0 both second mortgage and home equity loan)
Houses without a mortgage: 433
Median monthly owner costs for units with a mortgage: $753
Median monthly owner costs for units without a mortgage: $266
Residents with income below the poverty level in 1999:
| This zip code: | 5.3% | | Whole state: | 9.1% |
Residents with income below 50% of the poverty level in 1999:
| This zip code: | 1.3% | | Whole state: | 3.8% |
Median number of rooms in houses and condos:
| Here: | 6.3 | | State: | 6.3 |
Median number of rooms in apartments:
| Here: | 4.2 | | State: | 4.2 |
Year house built:
|
- 1999 to March 2000: 27
- 1995 to 1998: 86
- 1990 to 1994: 139
- 1980 to 1989: 116
- 1970 to 1979: 356
- 1960 to 1969: 140
- 1950 to 1959: 176
- 1940 to 1949: 127
- 1939 or earlier: 502
|
Bedrooms in owner-occupied houses in Rock Valley, IA (51247):
|
- no bedroom: 0
- 1 bedrooms: 40
- 2 bedrooms: 316
- 3 bedrooms: 525
- 4 bedrooms: 334
- 5 or more bedrooms: 74
|
Bedrooms in renter-occupied apartments and housing units:
|
- no bedroom: 0
- 1 bedrooms: 104
- 2 bedrooms: 92
- 3 bedrooms: 45
- 4 bedrooms: 43
- 5 or more bedrooms: 10
|
Vehicles available in 51247 zip code in owner-occupied houses/condos:
|
- no vehicle: 34
- 1 vehicle: 260
- 2 vehicles: 654
- 3 vehicles: 246
- 4 vehicles: 65
- 5 or more vehicles: 30
|
Vehicles available in renter-occupied apartments:
|
- no vehicle: 42
- 1 vehicle: 126
- 2 vehicles: 70
- 3 vehicles: 47
- 4 vehicles: 9
- 5 or more vehicles: 0
|
Estimated household income distribution in 2005:

|
Estimate of home value of owner-occupied houses/condos in 2005 in zip code 51247:
- $15,000 to $19,999: 4
- $20,000 to $24,999: 17
- $35,000 to $39,999: 17
- $40,000 to $49,999: 52
- $50,000 to $59,999: 83
- $60,000 to $69,999: 143
- $70,000 to $79,999: 139
- $80,000 to $89,999: 70
- $90,000 to $99,999: 86
- $100,000 to $124,999: 192
- $125,000 to $149,999: 64
- $150,000 to $174,999: 24
- $200,000 to $249,999: 38
|

|
Rent paid by renters in 2000 in zip code 51247:
- Less than $100: 4
- $100 to $149: 9
- $150 to $199: 38
- $200 to $249: 25
- $250 to $299: 29
- $300 to $349: 80
- $350 to $399: 24
- $400 to $449: 25
- $450 to $499: 10
- No cash rent: 38
|
Median price asked for vacant for-sale houses in 2000: $95,000
Estimated median house (or condo) value in 2005 for: - White Non-Hispanic householders: $105,691
Housing units in structures:
- One, detached: 1,319
- One, attached: 25
- Two: 22
- 3 or 4: 73
- 5 to 9: 21
- 10 to 19: 74
- 20 to 49: 12
- Mobile homes: 123

|
Means of transportation to work
- Drove a car alone: 1,696 (75%)
- Carpooled: 215 (10%)
- Bus or trolley bus: 18 (1%)
- Bicycle: 16 (1%)
- Walked: 157 (7%)
- Other means: 4 (0%)
- Worked at home: 154 (7%)
|

|
Travel time to work
- Less than 5 minutes: 586
- 5 to 9 minutes: 645
- 10 to 14 minutes: 220
- 15 to 19 minutes: 225
- 20 to 24 minutes: 108
- 25 to 29 minutes: 42
- 30 to 34 minutes: 109
- 35 to 39 minutes: 5
- 40 to 44 minutes: 13
- 45 to 59 minutes: 40
- 60 to 89 minutes: 73
- 90 or more minutes: 40
|
Percentage of zip code residents living and working in this county: 88.9%
Household type by relationship
Households: 4,169
- In family households: 3,713 (1,084 male householders, 95 female householders)
1,091 spouses, 1,394 children (1,327 natural, 31 adopted, 36 stepchildren), 21 grandchildren, 20 brothers or sisters, 0 parents, 0 other relatives, 8 non-relatives
- In nonfamily households: 456 (154 male householders (143 living alone)), 269 female householders (252 living alone)), 33 nonrelatives
- In group quarters: 135 (105 institutionalized population)
Size of family households: 527 2-persons, 218 3-persons, 225 4-persons, 148 5-persons, 52 6-persons, 9 7-or-more-persons.
Size of nonfamily households: 395 1-person, 28 2-persons.
1,132 married couples with children.
85 single-parent households (27 men, 58 women).
93.9% of residents of 51247 zip code speak English at home.
2.0% of residents speak Spanish at home (67% very well, 27% well, 6% not at all).
3.7% of residents speak other Indo-European language at home (74% very well, 22% well, 3% not well).
0.3% of residents speak Asian or Pacific Island language at home (58% well, 42% not well).
Foreign born population: 84 (1.9%)
(61.9% of them are naturalized citizens)
| This zip code: | 1.9% | | Whole state: | 3.1% |
Most common places of birth for the foreign-born residents:
|
- Netherlands (67%)
- Korea (14%)
- Mexico (11%)
- Germany (5%)
- France (4%)
|
Year of entry for the foreign-born population
|
- 1995 to March 2000: 12
- 1990 to 1994: 7
- 1985 to 1989: 5
- 1980 to 1984: 7
- 1975 to 1979: 17
- 1970 to 1974: 0
- 1970 to 1974: 0
- 1965 to 1969: 36
|

First ancestries reported:
- Dutch: 2873
- German: 272
- United States or American: 209
- Norwegian: 143
- Irish: 88
- Other groups: 81
- English: 59
- Danish: 40
- Swiss: 7
- Scandinavian: 6
- Iranian: 5
- Belgian: 4
- Italian: 4
- Swedish: 4
- French (except Basque): 3

Major facitilies with environmental interests located in this zip code:
- ROCK VALLEY COMMUNITY SCHOOL DISTRICT (1712 20TH AVE in ROCK VALLEY, IA)
(Resource Conservation and Recovery Act (tracking hazardous waste))
Conditionally Exempt Small Quantity Generators, less than 100 kg/month of hazardous waste (Resource Conservation and Recovery Act (tracking hazardous waste)) - ICIS-, ENFORCEMENT/COMPLIANCE ACTIVITY
Alternative names: ROCK VALLEY COMMUNITY SCH DIST-DUPLICATE
- VERS PRO AUTO (903 MAIN STREET in ROCK VALLEY, IA)
AIR MINOR (AIRS/AFS)
(Integrated Compliance Information System) - ICIS-07-1999-0015, FORMAL ENFORCEMENT ACTION
Business SIC classification: GENERAL AUTOMOTIVE REPAIR SHOPS
- YSSELSTEIN DAIRY INC (1760 300TH STREET in ROCK VALLEY, IA)
AIR SYNTHETIC MINOR (AIRS/AFS)
National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit
National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit
Business SIC classification: DAIRY FARMS; COMBINATION UTILITIES
Organizations: YSSELSTEIN DAIRY (NORTH) (CONTACT/OWNER)
, YSSELSTEIN DAIRY, INC. (SOUTH) (CONTACT/OWNER)
- ROCK VALLEY ELEMENTARY SCHOOL (1910 15TH ST in ROCK VALLEY, IA)
(Geographic Names Information System)
(National Center for Education Statistics) - STATE ID-845607 409
Organizations: ROCK VALLEY COMM SCHOOL DIST (SCHOOL DISTRICT)
- ROCK VALLEY JR-SR HIGH SCHOOL (1712 20TH AVE in ROCK VALLEY, IA)
(National Center for Education Statistics) - STATE ID-845607 172
Organizations: ROCK VALLEY COMM SCHOOL DIST (SCHOOL DISTRICT)
- ROCK INDUSTRIES INCORPORATED (880 10TH STREET in ROCK VALLEY, IA)
AIR MINOR (AIRS/AFS)
Conditionally Exempt Small Quantity Generators, less than 100 kg/month of hazardous waste (Resource Conservation and Recovery Act (tracking hazardous waste))
Business SIC classification: INDUSTRIAL AND COMMERCIAL MACHINERY AND EQUIPMENT
Business NAICS classification: PRECISION TURNED PRODUCT MANUFACTURING.; METAL HEAT TREATING.
Organizations: GENE STATEMA (CONTACT/OPERATOR)
, LOY VANT HUL (CONTACT/OWNER)
- TOTAL COMPONENT SOLUTIONS (2080 10TH STREET in ROCK VALLEY, IA)
AIR MINOR (AIRS/AFS)
Small Quantity Generators, between 100 kg and 1000 kg of hazardous waste/month (Resource Conservation and Recovery Act (tracking hazardous waste))
Business SIC classification: SCREW MACHINE PRODUCTS
Business NAICS classification: OTHER COMMERCIAL AND SERVICE INDUSTRY MACHINERY MANUFACTURING.
Organizations: TOTAL COMPONENT SOLUTIONS CORP (CONTACT/OPERATOR)
Alternative names: HAYES ALBION CORPORATION, HAYES-ALBION KOOIMA MFG DIV
- HOPE HAVEN INC (1800 19TH ST in ROCK VALLEY, IA)
COMPLIANCE ACTIVITY (Tracking inspections of insecticide, fungicide, and rodenticide, and toxic substances)
(Resource Conservation and Recovery Act (tracking hazardous waste))
Business SIC classification: METAL STAMPINGS
- VANDE WEERD COMBINE SALVAGE INCORPORATED (2553 320TH STREET in ROCK VALLEY, IA)
AIR MINOR (AIRS/AFS)
Conditionally Exempt Small Quantity Generators, less than 100 kg/month of hazardous waste (Resource Conservation and Recovery Act (tracking hazardous waste))
Business SIC classification: FARM MACHINERY AND EQUIPMENT
- K & J BODY SHOP-FORMER SITE OF (1002 28TH AVE in ROCK VALLEY, IA)
(Resource Conservation and Recovery Act (tracking hazardous waste))
Organizations: KEN VANDER ZIEL & JERRY SCHLOT (CONTACT/OWNER)
- ROCK VALLEY CITY OF STP (P.O. BOX 100 in ROCK VALLEY, IA)
National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit
Business SIC classification: SEWERAGE SYSTEMS
Organizations: CITY OF ROCK VALLEY (CONTACT/OWNER)
Alternative names: ROCK VALLEY WWTP
- GROTH PIT (1616 310TH STREET in ROCK VALLEY, IA)
National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit
Business SIC classification: CRUSHED AND BROKEN LIMESTONE
Organizations: VELDA GROTH (CONTACT/OWNER)
Alternative names: BECKER GRAVEL CO INC
- ROCK INDUSTRIES INC (1522 15TH ST in ROCK VALLEY, IA)
(Resource Conservation and Recovery Act (tracking hazardous waste))
Organizations: ROCK INDUSTRIES, INC (CONTACT/OWNER)
Median worth of mobile homes: $24,100


Most commonly used house heating fuel:
|
- Utility gas (56%)
- Electricity (24%)
- Bottled, tank, or LP gas (14%)
- Fuel oil, kerosene, etc. (5%)
- Other fuel (1%)
|
Place of birth for U.S.-born residents:
- This state: 3400
- Northeast: 4
- Midwest: 698
- South: 28
- West: 82
67% of the 51247 zip code residents lived in the same house 5 years ago.
Out of people who lived in different houses, 71% lived in this county.
Out of people who lived in different counties, 62% lived in Iowa.
Population in 1990: 4,100. Population change in the 1990s: +322 (+7.9%).
Year Householders Moved Into Unit:
|
|
Private vs. public school enrollment:
Students in private schools in grades 1 to 8 (elementary and middle school): 207
| Here: | 43.6% | | Iowa: | 10.8% |
Students in private schools in grades 9 to 12 (high school): 145
| Here: | 40.6% | | Iowa: | 7.1% |
Students in private undergraduate colleges: 4
| Here: | 7.8% | | Iowa: | 25.4% |
School Enrollment by Level of School
|
Companies with federal contracts located in this zip code:
- KOOIMA COMPANY (2638 310TH STREET in ROCK VALLEY, IA; small business)
$3,500 with Bureau of Prisoners/Federal Prison System for . Taking place in OK. Signed on 2006-02-28. Completion date: 2006-03-30.
Top industries in this zip code by the number of employees in 2005:
- Health Care and Social Assistance: Services for the Elderly and Persons with Disabilities (250-499 employees: 1 establishment, 1-4 employees: 1 establishment)
- Health Care and Social Assistance: General Medical and Surgical Hospitals (100-249: 1)
- Educational Services: Elementary and Secondary Schools (50-99: 1, 20-49: 1, 5-9: 1)
- Wholesale Trade: Farm and Garden Machinery and Equipment Merchant Wholesalers (20-49: 2, 10-19: 2, 5-9: 1, 1-4: 1)
- Finance and Insurance: Commercial Banking (20-49: 2, 5-9: 1)
- Accommodation and Food Services: Full-Service Restaurants (20-49: 1, 10-19: 2, 5-9: 1, 1-4: 1)
- Accommodation and Food Services: Limited-Service Restaurants (20-49: 1, 10-19: 1, 1-4: 1)
Age and Sex of Sensory-Disabled Residents (Noninstitutionalized)
|
Age and Sex of Physically-Disabled Residents (Noninstitutionalized)
|
Age and Sex of Mentally-Disabled Residents (Noninstitutionalized)
|
Age and Sex of Self-Care Disabled Residents (Noninstitutionalized)
|
Age and Sex of Go-Outside-Home Disabled Residents (Noninstitutionalized)
|
Age and Sex of Residents with Employment Disability (Noninstitutionalized)
|
People in group quarters
- 90 people in nursing homes
- 30 people in homes for the mentally retarded
- 15 people in other group homes
Back to Rock Valley, IA, Sioux County, IA, Iowa bigger cities, Iowa smaller cities, Iowa smallest towns, All U.S. cities.
|