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Iowa ZIP Codes
Clinton County
Charlotte, IA
52731
52731 ZIP Code — Charlotte, IA
Clinton County, Iowa
ZIP code 52731 is located in
Charlotte ,
Iowa ,
within Clinton County .
It covers approximately 52.43 square miles and serves a population of
777 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 563 .
About ZIP code 52731
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $141,800. Owner-occupancy is high at 85%, well above the national average.
Median household income is $84,519. The poverty rate of 7% is below the national average. 32% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is production, transportation, and material moving, with education and healthcare as the leading industry. The average commute of 26 minutes is near the national average.
College attainment at 11% is below the national average, consistent with a trades and production-oriented local economy.
Overall, ZIP code 52731 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.
52731 ZIP code map
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Cities in ZIP code 52731
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
777
Population density
15 / sq mi
State FIPS
19
County FIPS
045
Geography
Land area
52.43 sq mi
Water area
0.00 sq mi
Latitude
41.9660
Longitude
-90.4660
Timezone
Central (CT)
Area code
563
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
32.9%
47.2%
40.1%
$50k – $100k
48.3%
33.0%
33.4%
$100k – $200k
18.5%
17.5%
21.5%
Over $200k
0.3%
2.2%
5.0%
Demographics & statistics
$84,519
Median household income
$141,800
Median home value
10.8%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 178 22.9%
18 and over 599 77.1%
65 and over 139 17.9%
Median age 47.4 years
Race & ethnicity
Black or African American
1%
American Indian / Alaska Native
0.5%
Group Count %
White 742 94.9%
Two or more races 18 2.3%
Black or African American 8 1%
Hispanic or Latino 5 0.6%
Other race 5 0.6%
American Indian / Alaska Native 4 0.5%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
32.9%
47.2%
40.1%
$50k – $100k
48.3%
33.0%
33.4%
$100k – $200k
18.5%
17.5%
21.5%
Over $200k
0.3%
2.2%
5.0%
Range % of households
$15k–$25k 3.4%
$25k–$35k 2.8%
$35k–$50k 14.2%
$50k–$75k 20.1%
$75k–$100k 18.0%
$100k–$150k 30.3%
$150k–$200k 7.1%
$200k+ 4.0%
Median income $84,519
Housing
Housing overview
Metric Value
Median home value $141,800
Median rent / month $883
Owner occupied 84.8%
Renter occupied 15.2%
Vacant 6.6%
Single-family detached 88.7%
Large apartment buildings 0.0%
Mobile homes 4.6%
Median rooms 6.2
Avg household size (owned) 2.39
Year built
Era %
2020 or later 0.0%
2010–2019 1.7%
2000–2009 4.3%
1990–1999 5.8%
1980–1989 3.5%
1970–1979 9.0%
1960–1969 9.0%
1950–1959 15.3%
1940–1949 6.6%
1939 or earlier 44.8%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 5.8%
2 bedrooms 22.5%
3 bedrooms 40.5%
4 bedrooms 27.2%
5+ bedrooms 4.0%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 24.5%
2 vehicles 48.0%
3 or more 27.6%
Heating fuel
Fuel type %
Utility gas 6.5%
Electricity 4.6%
Propane / LP gas 84.2%
Fuel oil 2.5%
Wood 2.2%
Households & families
Household type Count %
Married-couple family 178 55.1%
Cohabiting couple 57 17.6%
Male householder, no spouse 45 13.9%
Female householder, no spouse 43 13.3%
Households with children under 18 92 28.5%
Households with seniors (65+) 96 29.7%
Average household size 2.41
Marital status
Status Male Female
Never married 22.6% 21.7%
Married 53.2% 55.1%
Separated 2.4% 1.9%
Widowed 1.8% 3.2%
Divorced 19.9% 18.2%
Education
Some college, no degree
21.7%
Graduate / professional
3.3%
Metric %
HS diploma or higher 94.9%
Bachelor's or higher 10.8%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 12 7.4%
Kindergarten 8 4.9%
Elementary school 89 54.6%
High school 38 23.3%
College / grad school 16 9.8%
Employment
Industry of employment
Education & healthcare
26.3%
Transportation & utilities
18.4%
Agriculture & mining
12.4%
Arts, food & hospitality
3.5%
Public administration
2.2%
Professional & management
1.5%
Finance & real estate
0.2%
Occupation
Category %
Management, business & arts 28.5%
Service 7.9%
Sales & office 10.4%
Natural resources & construction 17.9%
Production & transportation 35.2%
Employment type
Type %
Private sector 71.0%
Government 13.9%
Self-employed 15.1%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 75.7%
Carpool 4.2%
Public transit 0.0%
Walk 0.7%
Work from home 19.4%
Other means 0.0%
Avg commute (minutes) 26.3
Poverty
Married-couple families
1.1%
Female-led households
2.9%
Income support
Source % of households
Social Security 32.2%
Retirement income 30.3%
Supplemental Security 10.5%
Cash public assistance 1.9%
Food stamps / SNAP 2.5%
Health indicators
Condition %
Obesity 39.8%
High blood pressure 32.6%
High cholesterol 34.1%
Diabetes 9.7%
Heart disease 6.4%
Stroke 2.8%
Asthma 9.4%
Arthritis 23.6%
Kidney disease 2.7%
Pulmonary disease 6.6%
Cancer 6.9%
Behavior / access %
Smoking 17.3%
Binge drinking 22.2%
No physical activity 23.2%
Less than 7 hrs sleep 31.1%
Depression 16.7%
Fair or poor health 12.2%
Poor mental health 13.1%
Poor physical health 9.3%
No health insurance 9.5%
Visited doctor (checkup) 75.8%
Visited dentist 66.6%
Cholesterol screening 89.1%
Teeth loss 11.3%
Veterans & disability
Veterans Count %
Civilian veterans 52 8.7%
Disability %
Any disability 10.0%
Under 18 7.3%
18–64 years 7.0%
65 and over 23.7%
Health insurance coverage
Type %
Private insurance 60.7%
Public insurance 46.2%
No insurance 8.5%
Uninsured under 19 10.5%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 741 95.4%
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) 759 97.7%
Born in same state 759 97.7%
Born in different state 664 85.5%
Foreign born 0 0.0%
Naturalized citizen 18 2.3%
Not a US citizen 9 50.0%
Ancestry
Ancestry Count %
Italian 103 13.3%
French 41 5.3%
English 40 5.1%
Norwegian 27 3.5%
Ancestry Count %
Arab 25 3.2%
Polish 5 0.6%
Dutch 3 0.4%
Irish 2 0.3%
Technology access
Metric % of households
Computer access 41.6%
Internet access 86.7%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 52731
What city is ZIP code 52731 in?
ZIP code 52731 is primarily assigned to Charlotte, Iowa.
What county is ZIP code 52731 in?
ZIP code 52731 falls within Clinton County, Iowa.
How educated is the population of ZIP code 52731?
11% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
Is ZIP code 52731 mostly owner-occupied?
85% of occupied units in ZIP code 52731 are owner-occupied, well above the national average.
What is the typical home value in ZIP code 52731?
The median home value in ZIP code 52731 is $141,800.
What is the population of ZIP code 52731?
ZIP code 52731 has an estimated population of 777 residents, with a density of 15 people per square mile.
What timezone is ZIP code 52731 in?
ZIP code 52731 observes the CST timezone.
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