Hartwick ZIP Codes — Poweshiek County, IA
There is one unique ZIP code in Hartwick, Iowa and it is 52232. Area code: 319.
1
ZIP codes
21.28
sq mi land
0.01
sq mi water
319
area code
Hartwick, IA ZIP code map
ZIP codes for Hartwick, IA (1)
Demographics & statistics
306
Population
28.1
Median age
$85,000
Median household income
$24,952
Per capita income
$225,000
Median home value
$756
Median monthly rent
88.9%
Home ownership
0.3%
Poverty rate
0.0%
Unemployment
80
Housing units
14.7%
Bachelor's or higher
Age distribution
Male
Female
17
Under 5
21
14
5–9
19
10
10–14
14
0
15–19
1
17
20–24
23
17
25–34
22
14
35–44
18
31
45–54
40
1
55–59
2
5
60–64
6
4
65–74
5
2
75–84
2
0
85+
1
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 96 | 31.4% |
| 18 and over | 210 | 68.6% |
| 65 and over | 14 | 4.6% |
| Median age | 28.1 years | |
Race & ethnicity
White
78.5%
Two or more races
11.5%
Hispanic or Latino
9.7%
American Indian / Alaska Native
0.3%
| Group | Count | % |
|---|---|---|
| White | 266 | 78.5% |
| Two or more races | 39 | 11.5% |
| Hispanic or Latino | 33 | 9.7% |
| American Indian / Alaska Native | 1 | 0.3% |
Household income
Under $10k
1.1%
$15k–$25k
1.1%
$25k–$35k
6.7%
$35k–$50k
7.8%
$50k–$75k
14.4%
$75k–$100k
56.7%
$100k–$150k
11.1%
$150k–$200k
1.1%
| Range | % of households |
|---|---|
| Under $10k | 1.1% |
| $15k–$25k | 1.1% |
| $25k–$35k | 6.7% |
| $35k–$50k | 7.8% |
| $50k–$75k | 14.4% |
| $75k–$100k | 56.7% |
| $100k–$150k | 11.1% |
| $150k–$200k | 1.1% |
| Median income | $85,000 |
Housing
Home values
Under $50k
6.3%
$50k–$100k
15.0%
$100k–$150k
17.5%
$150k–$200k
1.3%
$200k–$300k
20.0%
$300k–$500k
28.8%
$500k–$1M
11.3%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $225,000 |
| Median rent / month | $756 |
| Owner occupied | 88.9% |
| Renter occupied | 11.1% |
| Vacant | 0.0% |
| Single-family detached | 88.9% |
| Large apartment buildings | 0.0% |
| Mobile homes | 11.1% |
| Median rooms | 7.1 |
| Avg household size (owned) | 3.61 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 0.0% |
| 2000–2009 | 0.0% |
| 1990–1999 | 0.0% |
| 1980–1989 | 13.3% |
| 1970–1979 | 21.1% |
| 1960–1969 | 5.6% |
| 1950–1959 | 4.4% |
| 1940–1949 | 4.4% |
| 1939 or earlier | 51.1% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 4.4% |
| 2 bedrooms | 5.6% |
| 3 bedrooms | 84.4% |
| 4 bedrooms | 4.4% |
| 5+ bedrooms | 1.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 4.4% |
| 2 vehicles | 38.9% |
| 3 or more | 56.7% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 2.2% |
| Electricity | 7.8% |
| Propane / LP gas | 83.3% |
| Fuel oil | 2.2% |
| Wood | 4.4% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 68 | 75.6% |
| Cohabiting couple | 1 | 1.1% |
| Male householder, no spouse | 17 | 18.9% |
| Female householder, no spouse | 4 | 4.4% |
| Households with children under 18 | 30 | 33.3% |
| Households with seniors (65+) | 10 | 11.1% |
| Average household size | 3.40 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 17.0% | 32.5% |
| Married | 77.3% | 61.8% |
| Separated | 0.0% | 0.0% |
| Widowed | 0.0% | 3.3% |
| Divorced | 5.7% | 2.4% |
Education
Less than 9th grade
0.6%
Some HS, no diploma
0.0%
HS graduate
65.9%
Some college, no degree
7.6%
Associate's degree
11.2%
Bachelor's degree
14.1%
Graduate / professional
0.6%
| Metric | % |
|---|---|
| HS diploma or higher | 99.4% |
| Bachelor's or higher | 14.7% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 6 | 10.3% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 50 | 86.2% |
| High school | 2 | 3.4% |
| College / grad school | 0 | 0.0% |
Employment
Industry of employment
Manufacturing
27.8%
Other services
24.4%
Education & healthcare
19.9%
Agriculture & mining
8.5%
Construction
6.8%
Arts, food & hospitality
3.4%
Public administration
2.8%
Retail trade
2.3%
Transportation & utilities
1.7%
Wholesale trade
1.1%
Information
0.6%
Finance & real estate
0.6%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 20.5% |
| Service | 41.5% |
| Sales & office | 0.6% |
| Natural resources & construction | 9.7% |
| Production & transportation | 27.8% |
Employment type
| Type | % |
|---|---|
| Private sector | 60.8% |
| Government | 6.8% |
| Self-employed | 32.4% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 78.4% |
| Carpool | 9.7% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Other means | 0.0% |
| Avg commute (minutes) | 22.7 |
Poverty
All people
0.3%
Under 18 years
0.0%
18 and over
0.5%
Married-couple families
0.0%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 11.1% |
| Retirement income | 12.2% |
| Supplemental Security | 3.3% |
| Cash public assistance | 3.3% |
| Food stamps / SNAP | 3.3% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 33.4% |
| High cholesterol | 33.5% |
| Heart disease | 6.7% |
| Stroke | 3.1% |
| Asthma | 9.3% |
| Arthritis | 25.9% |
| Kidney disease | 2.9% |
| Pulmonary disease | 7.0% |
| Cancer | 7.2% |
| Behavior / access | % |
|---|---|
| Binge drinking | 21.9% |
| No physical activity | 24.1% |
| Less than 7 hrs sleep | 32.1% |
| Fair or poor health | 13.2% |
| Poor mental health | 13.6% |
| Poor physical health | 9.8% |
| No health insurance | 9.6% |
| Visited doctor (checkup) | 73.3% |
| Visited dentist | 64.5% |
| Cholesterol screening | 87.8% |
| Teeth loss | 13.0% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 3 | 1.4% |
| Disability | % |
|---|---|
| Any disability | 8.5% |
| Under 18 | 0.0% |
| 18–64 years | 12.2% |
| 65 and over | 14.3% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 97.7% |
| Public insurance | 8.2% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 268 | 87.6% |
| Spanish | 2 | 0.7% |
| Other Indo-European | 2 | 0.7% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 304 | 99.3% |
| Born in same state | 303 | 99.0% |
| Born in different state | 285 | 93.1% |
| Foreign born | 1 | 0.3% |
| Naturalized citizen | 2 | 0.7% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| English | 22 | 7.2% |
| French | 22 | 7.2% |
| Arab | 20 | 6.5% |
| Ancestry | Count | % |
|---|---|---|
| Italian | 10 | 3.3% |
| Polish | 2 | 0.7% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 29.4% |
| Internet access | 97.8% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.