Median household income (1999): $34,940
Estimated median household income in 2005: $38,605
| This zip code | $38,605 | | Iowa: | $43,609 |
Nearest zip codes: 52223, 52078, 52310, 52041, 52036, 52040.
Housing units in zip code 52237 with a mortgage: 179 (25 second mortgage, 12 home equity loan, 0 both second mortgage and home equity loan)
Houses without a mortgage: 119
Median monthly owner costs for units with a mortgage: $628
Median monthly owner costs for units without a mortgage: $240
Residents with income below the poverty level in 1999:
| This zip code: | 5.1% | | Whole state: | 9.1% |
Residents with income below 50% of the poverty level in 1999:
| This zip code: | 3.7% | | Whole state: | 3.8% |
Median number of rooms in houses and condos:
| Here: | 6.7 | | State: | 6.3 |
Median number of rooms in apartments:
| Here: | 6.1 | | State: | 4.2 |
Year house built:
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- 1999 to March 2000: 7
- 1995 to 1998: 25
- 1990 to 1994: 38
- 1980 to 1989: 62
- 1970 to 1979: 97
- 1960 to 1969: 42
- 1950 to 1959: 22
- 1940 to 1949: 47
- 1939 or earlier: 302
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Bedrooms in owner-occupied houses in Hopkinton, IA (52237):
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- no bedroom: 0
- 1 bedrooms: 8
- 2 bedrooms: 104
- 3 bedrooms: 211
- 4 bedrooms: 134
- 5 or more bedrooms: 38
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Bedrooms in renter-occupied apartments and housing units:
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- no bedroom: 0
- 1 bedrooms: 18
- 2 bedrooms: 33
- 3 bedrooms: 38
- 4 bedrooms: 14
- 5 or more bedrooms: 14
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Vehicles available in 52237 zip code in owner-occupied houses/condos:
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- no vehicle: 12
- 1 vehicle: 99
- 2 vehicles: 181
- 3 vehicles: 105
- 4 vehicles: 73
- 5 or more vehicles: 25
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Vehicles available in renter-occupied apartments:
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- no vehicle: 9
- 1 vehicle: 46
- 2 vehicles: 37
- 3 vehicles: 21
- 4 vehicles: 4
- 5 or more vehicles: 0
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Estimated household income distribution in 2005:

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Estimate of home value of owner-occupied houses/condos in 2005 in zip code 52237:
- Less than $10,000: 2
- $10,000 to $14,999: 2
- $15,000 to $19,999: 2
- $20,000 to $24,999: 1
- $25,000 to $29,999: 12
- $30,000 to $34,999: 19
- $35,000 to $39,999: 12
- $40,000 to $49,999: 24
- $50,000 to $59,999: 28
- $60,000 to $69,999: 36
- $70,000 to $79,999: 36
- $80,000 to $89,999: 35
- $90,000 to $99,999: 11
- $100,000 to $124,999: 28
- $125,000 to $149,999: 29
- $150,000 to $174,999: 19
- $200,000 to $249,999: 2
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Rent paid by renters in 2000 in zip code 52237:
- Less than $100: 10
- $100 to $149: 6
- $200 to $249: 13
- $250 to $299: 16
- $300 to $349: 2
- $350 to $399: 5
- No cash rent: 25
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Estimated median house (or condo) value in 2005 for: - White Non-Hispanic householders: $94,265
- Asian householders: $123,349
- Two or more races householders: $110,365
Housing units in structures:
- One, detached: 562
- One, attached: 6
- 3 or 4: 12
- 5 to 9: 17
- Mobile homes: 45

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Means of transportation to work
- Drove a car alone: 621 (71%)
- Carpooled: 104 (12%)
- Bus or trolley bus: 3 (0%)
- Walked: 19 (2%)
- Other means: 3 (0%)
- Worked at home: 126 (14%)
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Travel time to work
- Less than 5 minutes: 71
- 5 to 9 minutes: 116
- 10 to 14 minutes: 120
- 15 to 19 minutes: 113
- 20 to 24 minutes: 98
- 25 to 29 minutes: 18
- 30 to 34 minutes: 64
- 35 to 39 minutes: 10
- 40 to 44 minutes: 24
- 45 to 59 minutes: 53
- 60 to 89 minutes: 61
- 90 or more minutes: 2
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Percentage of zip code residents living and working in this county: 49.7%
Household type by relationship
Households: 1,733
- In family households: 1,570 (413 male householders, 59 female householders)
427 spouses, 643 children (578 natural, 24 adopted, 41 stepchildren), 13 grandchildren, 3 brothers or sisters, 2 parents, 5 other relatives, 5 non-relatives
- In nonfamily households: 163 (68 male householders (51 living alone)), 65 female householders (64 living alone)), 30 nonrelatives
Size of family households: 184 2-persons, 98 3-persons, 93 4-persons, 65 5-persons, 29 6-persons, 3 7-or-more-persons.
Size of nonfamily households: 115 1-person, 10 2-persons, 7 3-persons, 1 4-persons.
441 married couples with children.
67 single-parent households (24 men, 43 women).
97.1% of residents of 52237 zip code speak English at home.
1.9% of residents speak Spanish at home (58% very well, 32% well, 10% not well).
1.0% of residents speak other Indo-European language at home (100% very well).
Foreign born population: 20 (1.2%)
(60.0% of them are naturalized citizens)
| This zip code: | 1.2% | | Whole state: | 3.1% |
Most common places of birth for the foreign-born residents:
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- China, excluding Hong Kong and Taiwan (50%)
- Panama (30%)
- Canada (10%)
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Year of entry for the foreign-born population
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- 1995 to March 2000: 10
- 1990 to 1994: 0
- 1985 to 1989: 0
- 1980 to 1984: 0
- 1975 to 1979: 0
- 1970 to 1974: 6
- 1970 to 1974: 0
- 1965 to 1969: 4
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First ancestries reported:
- German: 732
- Irish: 130
- United States or American: 127
- English: 95
- Other groups: 35
- Norwegian: 31
- Czech: 22
- Greek: 15
- Swedish: 12
- Dutch: 10
- British: 9
- French (except Basque): 9
- Polish: 9
- Italian: 8
- Scotch-Irish: 8
- Swiss: 8
- Danish: 6
- Canadian: 6
- Scottish: 6
- European: 3
- Welsh: 3
- Belgian: 2
- French Canadian: 2

Major facitilies with environmental interests located in this zip code:
- JOHNSTON ELEMENTARY SCHOOL (CULVER RD in HOPKINTON, IA)
(National Center for Education Statistics) - STATE ID-284043 427
Organizations: MAQUOKETA VALLEY COMM SCHOOL DISTRICT (SCHOOL DISTRICT)
- PERMEATE REFINING INCORPORATED (205 LOCUST STREET in HOPKINTON, IA)
AIR MINOR (AIRS/AFS)
National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit
Business SIC classification: INDUSTRIAL ORGANIC CHEMICALS
Organizations: PERMEATE REFINING, INC. (CONTACT/OWNER)
- HOPKINTON MUNICIPAL UTILITIES (123 1ST STREET SOUTHEAST in HOPKINTON, IA)
AIR SYNTHETIC MINOR (AIRS/AFS)
AIR PROGRAM (Clean Air Markets Division Business System)
COMPLIANCE ACTIVITY (Tracking inspections of insecticide, fungicide, and rodenticide, and toxic substances)
COMMUNITY WATER SYSTEM (SDWIS)
Business SIC classification: ELECTRIC SERVICES; COMBINATION UTILITIES
Organizations: CITY OF HOPKINTON, IA (OWNER/OPERATOR)
Alternative names: HOPKINTON MUNIC UTIL, HOPKINTON MUNICIPAL LIGHT PLANT
- GRIEFF/HOPKINTON QUARRY (3048 285TH AVENUE in HOPKINTON, IA)
National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit
Business SIC classification: CRUSHED AND BROKEN LIMESTONE
Organizations: KUHLMAN CONSTRUCTION CO (CONTACT/OWNER)
Alternative names: KUHLMAN CONSTRUCTION CO
- SWISS VALLEY FARMS COMPANY (202 LOCUST STREET SOUTHEAST in HOPKINTON, IA)
COMPLIANCE ACTIVITY (Tracking inspections of insecticide, fungicide, and rodenticide, and toxic substances)
(Resource Conservation and Recovery Act (tracking hazardous waste))
TRI REPORTER (Tracking of toxic chemicals releasing facilities)
Business SIC classification: NATURAL, PROCESSED, AND IMITATION CHEESE
- BUCK CREEK/RECKER QUARRY (2315 315TH STREET in HOPKINTON, IA)
National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit
Business SIC classification: CRUSHED AND BROKEN LIMESTONE
Organizations: WILLIAM H RECKER (CONTACT/OWNER)
Alternative names: KUHLMAN CONSTRUCTION CO
- HART, WILLIAM H (MAIN ST in HOPKINTON, IA)
(Resource Conservation and Recovery Act (tracking hazardous waste))
Organizations: WILIAM HART (CONTACT/OWNER)
- UAP DISTRIBUTION, INC. (3105 HIGHWAY 38 EAST in HOPKINTON, IA)
(Resource Conservation and Recovery Act (tracking hazardous waste))
Organizations: CROPMATE/UAP KASOTA (CONTACT/OWNER)
Alternative names: CROPMATE COMPANY fertilizer plant, CROPMATE FERTILIZER PLANT
- HOPKINTON CITY OF STP (CITY CLERK-CITY HALL in HOPKINTON, IA)
National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit
Business SIC classification: SEWERAGE SYSTEMS
- CHAPMAN LUMBER COMPANY (3113 WILLOW ROAD in HOPKINTON, IA)
AIR MINOR (AIRS/AFS)
Business SIC classification: LOGGING; SAWMILLS AND PLANING MILLS, GENERAL
Alternative names: CHAPMAN LOGGING & SAWMILL INCORPORATED
- MISS VALLEY MILK PRO (202 LOCUST STREET SE in HOPKINTON, IA)
AIR MINOR (AIRS/AFS)
Business SIC classification: NONCLASSIFIABLE ESTABLISHMENTS
Alternative names: CLOSED FACILITY -- MISS VALLEY MILK PRO
- PERMEATE REFINING WAREHOUSE (202 LOCUST STREET in HOPKINTON, IA)
AIR MINOR (AIRS/AFS)
Business SIC classification: INDUSTRIAL ORGANIC CHEMICALS
Alternative names: PERMEATE REFINING INCORPORATED, PERMEATE REFINING COLD & DRY STORAGE
- SWISS VALLEY FARMS COMPANY HOPKINTON NH3 (HWY. 38 SOUTHEAST in HOPKINTON, IA)
COMPLIANCE ACTIVITY (Tracking inspections of insecticide, fungicide, and rodenticide, and toxic substances)
Alternative names: SWISS VALLEY FARMS CO SERV DIV
Median worth of mobile homes: $21,800


Housing units lacking complete plumbing facilities: 2%
Housing units lacking complete kitchen facilities: 0%
Most commonly used house heating fuel:
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- Bottled, tank, or LP gas (47%)
- Utility gas (42%)
- Electricity (5%)
- Wood (4%)
- Fuel oil, kerosene, etc. (2%)
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Place of birth for U.S.-born residents:
- This state: 1603
- Northeast: 2
- Midwest: 64
- South: 22
- West: 18
67% of the 52237 zip code residents lived in the same house 5 years ago.
Out of people who lived in different houses, 73% lived in this county.
Out of people who lived in different counties, 96% lived in Iowa.
Population in 1990: 1,547. Population change in the 1990s: +130 (+8.4%).
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): 23
| Here: | 9.8% | | Iowa: | 10.8% |
Students in private schools in grades 9 to 12 (high school): 0
| Here: | 0.0% | | Iowa: | 7.1% |
Students in private undergraduate colleges: 3
| Here: | 9.7% | | Iowa: | 25.4% |
School Enrollment by Level of School
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Top industries in this zip code by the number of employees in 2005:
- Wholesale Trade: Farm Supplies Merchant Wholesalers (10-19 employees: 2 establishments)
- Finance and Insurance: Commercial Banking (10-19: 1)
- Wholesale Trade: Recyclable Material Merchant Wholesalers (5-9: 2)
- Health Care and Social Assistance: Offices of Physicians (except Mental Health Specialists) (5-9: 1)
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 (Noninstitutionalized)
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