Columbia ZIP Code List — Marion County, IA
There is one unique ZIP code in Columbia, Iowa and it is 50057. Area code: 641.
1
ZIP codes
18.56
sq mi land
0.01
sq mi water
641
area code
Columbia, IA ZIP code map
ZIP codes for Columbia, IA (1)
Demographics & statistics
244
Population
54.6
Median age
$0
Median household income
$34,113
Per capita income
$209,200
Median home value
$0
Median monthly rent
100.0%
Home ownership
11.1%
Poverty rate
0.0%
Unemployment
146
Housing units
13.2%
Bachelor's or higher
Age distribution
Male
Female
5
5–9
4
14
10–14
10
3
15–19
3
9
20–24
7
25
35–44
19
18
45–54
13
27
55–59
20
36
60–64
27
2
65–74
2
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 37 | 15.2% |
| 18 and over | 207 | 84.8% |
| 65 and over | 4 | 1.6% |
| Median age | 54.6 years | |
Race & ethnicity
White
100%
| Group | Count | % |
|---|---|---|
| White | 244 | 100% |
Household income
Under $10k
16.7%
$10k–$15k
5.8%
$15k–$25k
29.2%
$25k–$35k
2.5%
$50k–$75k
8.3%
$75k–$100k
3.3%
$100k–$150k
34.2%
| Range | % of households |
|---|---|
| Under $10k | 16.7% |
| $10k–$15k | 5.8% |
| $15k–$25k | 29.2% |
| $25k–$35k | 2.5% |
| $50k–$75k | 8.3% |
| $75k–$100k | 3.3% |
| $100k–$150k | 34.2% |
| Median income | $0 |
Housing
Home values
Under $50k
10.8%
$150k–$200k
29.2%
$200k–$300k
54.2%
$300k–$500k
5.8%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $209,200 |
| Median rent / month | $0 |
| Owner occupied | 100.0% |
| Renter occupied | 0.0% |
| Vacant | 17.8% |
| Single-family detached | 95.2% |
| Large apartment buildings | 0.0% |
| Mobile homes | 4.8% |
| Median rooms | 5.0 |
| Avg household size (owned) | 2.03 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 13.7% |
| 2000–2009 | 10.3% |
| 1990–1999 | 9.6% |
| 1980–1989 | 0.0% |
| 1970–1979 | 42.5% |
| 1960–1969 | 2.1% |
| 1950–1959 | 0.0% |
| 1940–1949 | 0.0% |
| 1939 or earlier | 21.9% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 0.0% |
| 2 bedrooms | 67.1% |
| 3 bedrooms | 26.0% |
| 4 bedrooms | 2.7% |
| 5+ bedrooms | 4.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 5.8% |
| 2 vehicles | 25.0% |
| 3 or more | 69.2% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 39.2% |
| Propane / LP gas | 60.8% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 54 | 45.0% |
| Cohabiting couple | 0 | 0.0% |
| Male householder, no spouse | 62 | 51.7% |
| Female householder, no spouse | 4 | 3.3% |
| Households with children under 18 | 10 | 8.3% |
| Households with seniors (65+) | 4 | 3.3% |
| Average household size | 2.03 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 29.8% | 22.5% |
| Married | 64.9% | 72.5% |
| Separated | 0.0% | 0.0% |
| Widowed | 0.0% | 0.0% |
| Divorced | 5.3% | 5.0% |
Education
Less than 9th grade
0.0%
Some HS, no diploma
15.9%
HS graduate
28.6%
Some college, no degree
6.9%
Associate's degree
35.4%
Bachelor's degree
13.2%
Graduate / professional
0.0%
| Metric | % |
|---|---|
| HS diploma or higher | 84.1% |
| Bachelor's or higher | 13.2% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 5 | 11.4% |
| Elementary school | 28 | 63.6% |
| High school | 6 | 13.6% |
| College / grad school | 5 | 11.4% |
Employment
Industry of employment
Manufacturing
22.6%
Other services
21.3%
Agriculture & mining
12.8%
Finance & real estate
12.2%
Transportation & utilities
9.1%
Public administration
9.1%
Retail trade
4.9%
Professional & management
4.9%
Construction
3.0%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 39.6% |
| Service | 0.0% |
| Sales & office | 13.4% |
| Natural resources & construction | 31.7% |
| Production & transportation | 15.2% |
Employment type
| Type | % |
|---|---|
| Private sector | 75.0% |
| Government | 9.1% |
| Self-employed | 15.9% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 75.5% |
| Carpool | 20.8% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Other means | 0.0% |
| Avg commute (minutes) | 21.2 |
Poverty
All people
11.1%
Under 18 years
0.0%
18 and over
13.0%
Married-couple families
0.0%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 16.7% |
| Retirement income | 0.0% |
| Supplemental Security | 0.0% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 9.2% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 34.9% |
| High cholesterol | 34.6% |
| Heart disease | 7.2% |
| Stroke | 3.3% |
| Asthma | 9.2% |
| Arthritis | 26.7% |
| Kidney disease | 3.0% |
| Pulmonary disease | 7.4% |
| Cancer | 7.1% |
| Behavior / access | % |
|---|---|
| Binge drinking | 21.3% |
| No physical activity | 25.5% |
| Less than 7 hrs sleep | 33.2% |
| Fair or poor health | 13.7% |
| Poor mental health | 13.5% |
| Poor physical health | 10.5% |
| No health insurance | 9.4% |
| Visited doctor (checkup) | 75.2% |
| Visited dentist | 68.8% |
| Cholesterol screening | 88.7% |
| Teeth loss | 14.4% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 34 | 16.4% |
| Disability | % |
|---|---|
| Any disability | 4.5% |
| Under 18 | 0.0% |
| 18–64 years | 3.4% |
| 65 and over | 100.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 87.3% |
| Public insurance | 14.3% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 244 | 100.0% |
| 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) | 244 | 100.0% |
| Born in same state | 244 | 100.0% |
| Born in different state | 175 | 71.7% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 0 | 0.0% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| English | 71 | 29.1% |
| French | 58 | 23.8% |
| Ancestry | Count | % |
|---|---|---|
| Italian | 50 | 20.5% |
| Polish | 15 | 6.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 49.2% |
| Internet access | 100.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.