52568 ZIP Code — Martinsburg, IA
Keokuk County, Iowa
ZIP code 52568 is located in Martinsburg, Iowa, within Keokuk County. It covers approximately 0.26 square miles and serves a population of 84 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 641.
84
population
0.26
sq mi land
Standard
ZIP type
Central (CT)
timezone
52568 ZIP code map
Cities in ZIP code 52568
Below are the cities the US Postal Service accepts for ZIP code 52568. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Martinsburg | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 84 |
| Population density | 323 / sq mi |
| State FIPS | 19 |
| County FIPS | 107 |
| Geography | |
|---|---|
| Land area | 0.26 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 41.1805 |
| Longitude | -92.2405 |
| Timezone | Central (CT) |
| Area code | 641 |
Total population by age
Gender
Race & ethnicity
Demographics & statistics
84
Population
323
People per sq mi
48.0
Median age
$35,833
Median household income
$17,814
Per capita income
$76,300
Median home value
$0
Median monthly rent
86.8%
Home ownership
32.1%
Poverty rate
5.6%
Unemployment
35
Housing units
0.0%
Bachelor's or higher
Age distribution
Male
Female
1
Under 5
1
3
5–9
4
1
10–14
1
10
25–34
12
1
35–44
2
7
45–54
7
0
55–59
1
5
60–64
6
6
65–74
6
4
75–84
4
1
85+
1
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 11 | 13.1% |
| 18 and over | 73 | 86.9% |
| 65 and over | 22 | 26.2% |
| Median age | 48.0 years | |
Race & ethnicity
White
84.6%
Hispanic or Latino
7.7%
Two or more races
7.7%
| Group | Count | % |
|---|---|---|
| White | 77 | 84.6% |
| Hispanic or Latino | 7 | 7.7% |
| Two or more races | 7 | 7.7% |
Household income
Under $10k
7.9%
$10k–$15k
18.4%
$25k–$35k
21.1%
$35k–$50k
31.6%
$50k–$75k
7.9%
$75k–$100k
13.2%
| Range | % of households |
|---|---|
| Under $10k | 7.9% |
| $10k–$15k | 18.4% |
| $25k–$35k | 21.1% |
| $35k–$50k | 31.6% |
| $50k–$75k | 7.9% |
| $75k–$100k | 13.2% |
| Median income | $35,833 |
Housing
Home values
Under $50k
33.3%
$50k–$100k
30.3%
$100k–$150k
36.4%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $76,300 |
| Median rent / month | $0 |
| Owner occupied | 86.8% |
| Renter occupied | 13.2% |
| Vacant | 5.0% |
| Single-family detached | 80.0% |
| Large apartment buildings | 0.0% |
| Mobile homes | 20.0% |
| Median rooms | 5.8 |
| Avg household size (owned) | 2.24 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 0.0% |
| 2000–2009 | 7.5% |
| 1990–1999 | 17.5% |
| 1980–1989 | 5.0% |
| 1970–1979 | 25.0% |
| 1960–1969 | 15.0% |
| 1950–1959 | 2.5% |
| 1940–1949 | 0.0% |
| 1939 or earlier | 27.5% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 2.5% |
| 2 bedrooms | 40.0% |
| 3 bedrooms | 42.5% |
| 4 bedrooms | 12.5% |
| 5+ bedrooms | 2.5% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 7.9% |
| 1 vehicle | 23.7% |
| 2 vehicles | 47.4% |
| 3 or more | 21.1% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 34.2% |
| Propane / LP gas | 65.8% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 17 | 44.7% |
| Cohabiting couple | 7 | 18.4% |
| Male householder, no spouse | 3 | 7.9% |
| Female householder, no spouse | 11 | 28.9% |
| Households with children under 18 | 11 | 28.9% |
| Households with seniors (65+) | 13 | 34.2% |
| Average household size | 2.21 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 24.2% | 17.5% |
| Married | 54.5% | 50.0% |
| Separated | 0.0% | 0.0% |
| Widowed | 3.0% | 15.0% |
| Divorced | 18.2% | 17.5% |
Education
Less than 9th grade
4.1%
Some HS, no diploma
11.0%
HS graduate
60.3%
Some college, no degree
17.8%
Associate's degree
6.8%
Bachelor's degree
0.0%
Graduate / professional
0.0%
| Metric | % |
|---|---|
| HS diploma or higher | 84.9% |
| Bachelor's or higher | 0.0% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 1 | 8.3% |
| Elementary school | 8 | 66.7% |
| High school | 0 | 0.0% |
| College / grad school | 3 | 25.0% |
Employment
Industry of employment
Other services
26.5%
Manufacturing
20.6%
Education & healthcare
17.6%
Retail trade
11.8%
Agriculture & mining
8.8%
Professional & management
8.8%
Transportation & utilities
5.9%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 11.8% |
| Service | 38.2% |
| Sales & office | 17.6% |
| Natural resources & construction | 11.8% |
| Production & transportation | 20.6% |
Employment type
| Type | % |
|---|---|
| Private sector | 88.2% |
| Government | 8.8% |
| Self-employed | 2.9% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 67.6% |
| Carpool | 14.7% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Work from home | 17.6% |
| Other means | 0.0% |
| Avg commute (minutes) | 22.0 |
Poverty
All people
32.1%
Under 18 years
9.1%
18 and over
35.6%
Married-couple families
35.3%
Female-led households
28.6%
Income support
| Source | % of households |
|---|---|
| Social Security | 50.0% |
| Retirement income | 23.7% |
| Supplemental Security | 10.5% |
| Cash public assistance | 2.6% |
| Food stamps / SNAP | 26.3% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 0.0% |
| High blood pressure | 0.0% |
| High cholesterol | 0.0% |
| Diabetes | 0.0% |
| Heart disease | 0.0% |
| Stroke | 0.0% |
| Asthma | 0.0% |
| Arthritis | 0.0% |
| Kidney disease | 0.0% |
| Pulmonary disease | 0.0% |
| Cancer | 0.0% |
| Behavior / access | % |
|---|---|
| Smoking | 0.0% |
| Binge drinking | 0.0% |
| No physical activity | 0.0% |
| Less than 7 hrs sleep | 0.0% |
| Depression | 0.0% |
| Fair or poor health | 0.0% |
| Poor mental health | 0.0% |
| Poor physical health | 0.0% |
| No health insurance | 0.0% |
| Visited doctor (checkup) | 0.0% |
| Visited dentist | 0.0% |
| Cholesterol screening | 0.0% |
| Teeth loss | 0.0% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 2 | 2.7% |
| Disability | % |
|---|---|
| Any disability | 19.0% |
| Under 18 | 9.1% |
| 18–64 years | 11.8% |
| 65 and over | 40.9% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 65.5% |
| Public insurance | 48.8% |
| No insurance | 9.5% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 82 | 97.6% |
| Spanish | 3 | 3.7% |
| Other Indo-European | 3 | 3.7% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 80 | 95.2% |
| Born in same state | 80 | 95.2% |
| Born in different state | 62 | 73.8% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 4 | 4.8% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Arab | 12 | 14.3% |
| French | 9 | 10.7% |
| Ancestry | Count | % |
|---|---|---|
| German | 2 | 2.4% |
| Polish | 1 | 1.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 45.2% |
| Internet access | 84.2% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 52568
What city is ZIP code 52568 in?
ZIP code 52568 is primarily assigned to Martinsburg, Iowa.
What county is ZIP code 52568 in?
ZIP code 52568 falls within Keokuk County, Iowa.
What is the poverty rate in ZIP code 52568?
32% of residents in ZIP code 52568 live below the poverty line, above the national average.
Does ZIP code 52568 have an older population?
26% of residents in ZIP code 52568 are 65 or older, above the national average of ~17%.
Does ZIP code 52568 have a large retiree population?
50% of households in ZIP code 52568 receive Social Security income, suggesting a significant retiree or disability population.
Is ZIP code 52568 mostly owner-occupied?
87% of occupied units in ZIP code 52568 are owner-occupied, well above the national average.
What timezone is ZIP code 52568 in?
ZIP code 52568 observes the CST timezone.