Estimated median household income in 2007: $50,624
| This zip code: | $50,624 | | Iowa: | $47,292 |
Nearest zip codes: 52335, 52248, 52591, 52355, 52576, 52316.
Housing units in zip code 52231 with a mortgage: 37 (2 second mortgage, 8 home equity loan, 0 both second mortgage and home equity loan)
Houses without a mortgage: 32
Median monthly owner costs for units with a mortgage: $886
Median monthly owner costs for units without a mortgage: $382
Residents with income below the poverty level in 2007:
| This zip code: | 7.6% | | Whole state: | 11.0% |
Residents with income below 50% of the poverty level in 2007:
| This zip code: | 4.0% | | Whole state: | 4.7% |
Median number of rooms in houses and condos:
| Here: | 6.5 | | State: | 6.3 |
Median number of rooms in apartments:
| Here: | 6.5 | | State: | 4.2 |
Year house built: |
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- 1999 to March 2000: 0
- 1995 to 1998: 3
- 1990 to 1994: 6
- 1980 to 1989: 9
- 1970 to 1979: 21
- 1960 to 1969: 7
- 1950 to 1959: 19
- 1940 to 1949: 11
- 1939 or earlier: 82
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Bedrooms in owner-occupied houses in Harper, IA (52231): |
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- no bedroom: 0
- 1 bedrooms: 0
- 2 bedrooms: 23
- 3 bedrooms: 54
- 4 bedrooms: 22
- 5 or more bedrooms: 3
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Bedrooms in renter-occupied apartments and housing units: |
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- no bedroom: 0
- 1 bedrooms: 0
- 2 bedrooms: 6
- 3 bedrooms: 16
- 4 bedrooms: 11
- 5 or more bedrooms: 4
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Vehicles available in 52231 zip code in owner-occupied houses/condos: |
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- no vehicle: 2
- 1 vehicle: 17
- 2 vehicles: 49
- 3 vehicles: 21
- 4 vehicles: 2
- 5 or more vehicles: 11
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Vehicles available in renter-occupied apartments: |
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- no vehicle: 2
- 1 vehicle: 0
- 2 vehicles: 13
- 3 vehicles: 17
- 4 vehicles: 5
- 5 or more vehicles: 0
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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 52231:
- Less than $10,000: 1
- $10,000 to $14,999: 1
- $25,000 to $29,999: 1
- $30,000 to $34,999: 4
- $35,000 to $39,999: 1
- $40,000 to $49,999: 3
- $50,000 to $59,999: 12
- $60,000 to $69,999: 14
- $70,000 to $79,999: 14
- $80,000 to $89,999: 12
- $90,000 to $99,999: 10
- $100,000 to $124,999: 7
- $125,000 to $149,999: 14
- $175,000 to $199,999: 2
- $200,000 to $249,999: 8
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Rent paid by renters in 2007 in zip code 52231:
- $100 to $149: 1
- $150 to $199: 5
- $200 to $249: 4
- $300 to $349: 11
- No cash rent: 12
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Median price asked for vacant for-sale houses and condos in 2007: $0.
Estimated median house (or condo) value in 2007 for: - White Non-Hispanic householders: $80,562
Estimated median house or condo value in 2007: $83,431 (it was $56,300 in 2000)
| 52231: | $83,431 | | Iowa: | $117,900 |
Lower value quartile - upper value quartile: $0 - $0
Mean price in 2007:
Detached houses: $103,566| Here: | $103,566 | | State: | $150,000 |
Mobile homes: $18,125| Here: | $18,125 | | State: | $29,315 |
Breakdown of mean house values by ages of householders
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Housing units in structures:
- One, detached: 150
- Mobile homes: 8

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Means of transportation to work
- Drove a car alone: 163 (82%)
- Carpooled: 21 (11%)
- Walked: 2 (1%)
- Worked at home: 13 (7%)
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Travel time to work
- Less than 5 minutes: 20
- 5 to 9 minutes: 10
- 10 to 14 minutes: 38
- 15 to 19 minutes: 13
- 20 to 24 minutes: 15
- 25 to 29 minutes: 0
- 30 to 34 minutes: 30
- 35 to 39 minutes: 7
- 40 to 44 minutes: 16
- 45 to 59 minutes: 13
- 60 to 89 minutes: 24
- 90 or more minutes: 0
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Percentage of zip code residents living and working in this county: 49.2%
Household type by relationship
Households: 398
- In family households: 350 (96 male householders, 10 female householders)
100 spouses, 130 children (127 natural, 0 adopted, 3 stepchildren), 0 grandchildren, 7 brothers or sisters, 0 parents, 0 other relatives, 7 non-relatives
- In nonfamily households: 48 (21 male householders (11 living alone)), 10 female householders (7 living alone)), 17 nonrelatives
Size of family households: 36 2-persons, 31 3-persons, 23 4-persons, 14 5-persons, 2 6-persons.
Size of nonfamily households: 18 1-person, 13 2-persons.
90 married couples with children.
6 single-parent households (4 men, 2 women).
All residents speak English at home
White population: 371
Black population: 0
American Indian population: 0
Asian population: 0
Native Hawaiian and Other Pacific Islander population: 0
Some other race population: 0
Two or more races population: 2

First ancestries reported:
|  German: 227 |
|  United States or American: 48 |
|  Irish: 42 |
|  Norwegian: 15 |
|  English: 10 |
|  Swedish: 3 |
|  Swiss: 1 |

Facitilies with environmental interests located in this zip code:
- NATURAL GAS PIPELINE CO OF AMER-STA 109 (20743 285TH AVENUE in HARPER, IA)
AIR MAJOR (AIRS/AFS)
(Integrated Compliance Information System) - ICIS-07-1987-0005, FORMAL ENFORCEMENT ACTION
AIR MAJOR ("Best Available" air pollution technologies tracking)
Conditionally Exempt Small Quantity Generators, less than 100 kg/month of hazardous waste (Resource Conservation and Recovery Act (tracking hazardous waste))
Business SIC classification: CONSTRUCTION SAND AND GRAVEL; HIGHWAY AND STREET CONSTRUCTION, EXCEPT ELEVATED HIGHWAYS; NATURAL GAS TRANSMISSION; NATURAL GAS TRANSMISSION AND DISTRIBUTION
Alternative names: NATURAL GAS PIPELINE COMPANY, NATURAL GAS PIPELINE COMPANY, NATURAL GAS PIPELINE CO OF AM #109
- NATURAL GAS PIPELINE CO. OF AMERICA - STATION 109 (RFD #1 in HARPER, IA)
CRITERIA AND HAZARDOUS AIR POLLUTANT INVENTORY (Inventory of air pollution sources)
Business SIC classification: NATURAL GAS TRANSMISSION
Median worth of mobile homes: $22,888
Housing units lacking complete plumbing facilities: 1%
Housing units lacking complete kitchen facilities: 1%
Most commonly used house heating fuel: |
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- Utility gas (42%)
- Bottled, tank, or LP gas (37%)
- Wood (8%)
- Electricity (6%)
- Other fuel (4%)
- Fuel oil, kerosene, etc. (2%)
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Place of birth for U.S.-born residents:
- This state: 352
- Northeast: 7
- Midwest: 24
- South: 8
- West: 7
73% of the 52231 zip code residents lived in the same house 5 years ago.
Out of people who lived in different houses, 47% lived in this county.
Out of people who lived in different counties, 62% lived in Iowa.
Population in 1990: 324. Population change in the 1990s: +49 (+15.1%).
Year Householders Moved Into Unit:
Private vs. public school enrollment:
Students in private schools in grades 1 to 8 (elementary and middle school): 0
| Here: | 0.0% | | 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: 5
| Here: | 41.7% | | 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: Livestock Merchant Wholesalers (5-9 employees: 1 establishment)
- Construction: Roofing Contractors (1-4: 1)
- Mining: Crushed and Broken Limestone Mining and Quarrying (1-4: 1)
- Construction: New Single-Family Housing Construction (except Operative Builders) (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 (Noninst.)
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