Harper ZIP Codes — Keokuk County, IA
There is one unique ZIP code in Harper, Iowa and it is 52231. Area code: 641.
1
ZIP codes
34.53
sq mi land
0.04
sq mi water
641
area code
Harper, IA ZIP code map
ZIP codes for Harper, IA (1)
Demographics & statistics
439
Population
39.6
Median age
$85,769
Median household income
$35,420
Per capita income
$205,600
Median home value
$731
Median monthly rent
89.7%
Home ownership
1.1%
Poverty rate
3.8%
Unemployment
140
Housing units
21.1%
Bachelor's or higher
Age distribution
Male
Female
6
Under 5
5
21
5–9
15
41
10–14
30
29
15–19
20
3
20–24
3
8
25–34
6
30
35–44
21
47
45–54
33
9
60–64
6
52
65–74
38
6
75–84
4
3
85+
3
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 151 | 34.4% |
| 18 and over | 288 | 65.6% |
| 65 and over | 106 | 24.1% |
| Median age | 39.6 years | |
Race & ethnicity
White
97.9%
Two or more races
1.4%
Black or African American
0.2%
Asian
0.2%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 430 | 97.9% |
| Two or more races | 6 | 1.4% |
| Black or African American | 1 | 0.2% |
| Asian | 1 | 0.2% |
| American Indian / Alaska Native | 1 | 0.2% |
Household income
$10k–$15k
0.6%
$15k–$25k
17.9%
$35k–$50k
7.7%
$50k–$75k
21.2%
$75k–$100k
12.2%
$100k–$150k
35.3%
$200k+
5.1%
| Range | % of households |
|---|---|
| $10k–$15k | 0.6% |
| $15k–$25k | 17.9% |
| $35k–$50k | 7.7% |
| $50k–$75k | 21.2% |
| $75k–$100k | 12.2% |
| $100k–$150k | 35.3% |
| $200k+ | 5.1% |
| Median income | $85,769 |
Housing
Home values
Under $50k
10.0%
$50k–$100k
19.3%
$100k–$150k
9.3%
$150k–$200k
10.7%
$200k–$300k
13.6%
$300k–$500k
29.3%
$500k–$1M
7.9%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $205,600 |
| Median rent / month | $731 |
| Owner occupied | 89.7% |
| Renter occupied | 10.3% |
| Vacant | 0.0% |
| Single-family detached | 100.0% |
| Large apartment buildings | 0.0% |
| Mobile homes | 0.0% |
| Median rooms | 6.8 |
| Avg household size (owned) | 2.93 |
Year built
| Era | % |
|---|---|
| 2020 or later | 1.9% |
| 2010–2019 | 8.3% |
| 2000–2009 | 4.5% |
| 1990–1999 | 19.2% |
| 1980–1989 | 5.1% |
| 1970–1979 | 1.9% |
| 1960–1969 | 18.6% |
| 1950–1959 | 1.3% |
| 1940–1949 | 1.9% |
| 1939 or earlier | 37.2% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 9.6% |
| 2 bedrooms | 12.2% |
| 3 bedrooms | 30.8% |
| 4 bedrooms | 42.9% |
| 5+ bedrooms | 4.5% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 17.3% |
| 2 vehicles | 41.7% |
| 3 or more | 41.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 16.0% |
| Electricity | 10.3% |
| Propane / LP gas | 65.4% |
| Fuel oil | 7.1% |
| Wood | 1.3% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 104 | 66.7% |
| Cohabiting couple | 7 | 4.5% |
| Male householder, no spouse | 36 | 23.1% |
| Female householder, no spouse | 9 | 5.8% |
| Households with children under 18 | 61 | 39.1% |
| Households with seniors (65+) | 63 | 40.4% |
| Average household size | 2.81 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 34.2% | 10.2% |
| Married | 54.4% | 78.9% |
| Separated | 0.0% | 0.0% |
| Widowed | 6.7% | 3.1% |
| Divorced | 4.7% | 7.8% |
Education
Less than 9th grade
0.8%
Some HS, no diploma
2.3%
HS graduate
25.2%
Some college, no degree
43.2%
Associate's degree
7.5%
Bachelor's degree
7.5%
Graduate / professional
13.5%
| Metric | % |
|---|---|
| HS diploma or higher | 97.0% |
| Bachelor's or higher | 21.1% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 11 | 8.0% |
| Kindergarten | 14 | 10.2% |
| Elementary school | 76 | 55.5% |
| High school | 34 | 24.8% |
| College / grad school | 2 | 1.5% |
Employment
Industry of employment
Construction
38.0%
Education & healthcare
27.9%
Manufacturing
10.1%
Retail trade
10.1%
Agriculture & mining
4.5%
Finance & real estate
2.8%
Arts, food & hospitality
2.8%
Other services
1.7%
Professional & management
1.1%
Wholesale trade
0.6%
Public administration
0.6%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 25.7% |
| Service | 10.6% |
| Sales & office | 16.8% |
| Natural resources & construction | 37.4% |
| Production & transportation | 9.5% |
Employment type
| Type | % |
|---|---|
| Private sector | 67.6% |
| Government | 25.7% |
| Self-employed | 6.7% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 76.8% |
| Carpool | 5.6% |
| Public transit | 0.0% |
| Walk | 9.6% |
| Other means | 0.0% |
| Avg commute (minutes) | 18.6 |
Poverty
All people
1.1%
Under 18 years
1.3%
18 and over
1.0%
Married-couple families
0.0%
Female-led households
16.7%
Income support
| Source | % of households |
|---|---|
| Social Security | 40.4% |
| Retirement income | 27.6% |
| Supplemental Security | 9.6% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 7.1% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 34.7% |
| High cholesterol | 33.7% |
| Heart disease | 7.1% |
| Stroke | 3.2% |
| Asthma | 9.2% |
| Arthritis | 25.6% |
| Kidney disease | 3.0% |
| Pulmonary disease | 6.8% |
| Cancer | 7.5% |
| Behavior / access | % |
|---|---|
| Binge drinking | 22.0% |
| No physical activity | 24.9% |
| Less than 7 hrs sleep | 30.7% |
| Fair or poor health | 12.5% |
| Poor mental health | 13.0% |
| Poor physical health | 9.5% |
| No health insurance | 9.3% |
| Visited doctor (checkup) | 75.5% |
| Visited dentist | 67.4% |
| Cholesterol screening | 88.3% |
| Teeth loss | 12.9% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 17 | 5.9% |
| Disability | % |
|---|---|
| Any disability | 9.1% |
| Under 18 | 0.0% |
| 18–64 years | 0.5% |
| 65 and over | 36.8% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 64.2% |
| Public insurance | 45.3% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 428 | 97.5% |
| Spanish | 0 | 0.0% |
| Other Indo-European | 0 | 0.0% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 438 | 99.8% |
| Born in same state | 438 | 99.8% |
| Born in different state | 309 | 70.4% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 1 | 0.2% |
| Not a US citizen | 1 | 100.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 114 | 26% |
| Dutch | 28 | 6.4% |
| Arab | 26 | 5.9% |
| Ancestry | Count | % |
|---|---|---|
| Italian | 25 | 5.7% |
| Polish | 8 | 1.8% |
| English | 6 | 1.4% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 35.5% |
| Internet access | 82.1% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.