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Iowa ZIP Codes
Washington County
Crawfordsville, IA
52621
52621 ZIP Code — Crawfordsville, IA
Washington County, Iowa
ZIP code 52621 is located in
Crawfordsville ,
Iowa ,
within Washington County .
It covers approximately 41.05 square miles and serves a population of
899 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 319 .
About ZIP code 52621
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 $145,800. Owner-occupancy is high at 82%, well above the national average.
Median household income is $98,125. The poverty rate of 6% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 35 minutes is near the national average.
Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.
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Cities in ZIP code 52621
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
899
Population density
22 / sq mi
State FIPS
19
County FIPS
183
Geography
Land area
41.05 sq mi
Water area
0.04 sq mi
Latitude
41.2065
Longitude
-91.5170
Timezone
Central (CT)
Area code
319
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
20.6%
39.1%
40.1%
$50k – $100k
40.2%
38.2%
33.4%
$100k – $200k
27.8%
19.5%
21.5%
Over $200k
11.4%
3.2%
5.0%
Demographics & statistics
$98,125
Median household income
$145,800
Median home value
28.4%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 246 27.4%
18 and over 653 72.6%
65 and over 130 14.5%
Median age 31.1 years
Race & ethnicity
Group Count %
White 828 88.7%
Two or more races 62 6.6%
Hispanic or Latino 35 3.7%
Asian 7 0.7%
Other race 2 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
20.6%
39.1%
40.1%
$50k – $100k
40.2%
38.2%
33.4%
$100k – $200k
27.8%
19.5%
21.5%
Over $200k
11.4%
3.2%
5.0%
Range % of households
Under $10k 0.3%
$15k–$25k 5.0%
$25k–$35k 4.3%
$35k–$50k 8.0%
$50k–$75k 17.1%
$75k–$100k 18.7%
$100k–$150k 27.4%
$150k–$200k 5.4%
$200k+ 13.7%
Median income $98,125
Housing
Housing overview
Metric Value
Median home value $145,800
Median rent / month $979
Owner occupied 82.3%
Renter occupied 17.7%
Vacant 9.1%
Single-family detached 84.8%
Large apartment buildings 0.0%
Mobile homes 10.3%
Median rooms 6.8
Avg household size (owned) 3.06
Year built
Era %
2020 or later 0.0%
2010–2019 6.7%
2000–2009 12.5%
1990–1999 10.0%
1980–1989 5.5%
1970–1979 0.9%
1960–1969 3.3%
1950–1959 7.6%
1940–1949 7.9%
1939 or earlier 45.6%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 2.7%
2 bedrooms 19.8%
3 bedrooms 46.5%
4 bedrooms 20.7%
5+ bedrooms 10.3%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 15.7%
2 vehicles 17.4%
3 or more 66.9%
Heating fuel
Fuel type %
Utility gas 1.3%
Electricity 12.7%
Propane / LP gas 65.6%
Fuel oil 1.7%
Solar 6.4%
No fuel used 0.7%
Households & families
Household type Count %
Married-couple family 184 61.5%
Cohabiting couple 19 6.4%
Male householder, no spouse 45 15.1%
Female householder, no spouse 51 17.1%
Households with children under 18 149 49.8%
Households with seniors (65+) 85 28.4%
Average household size 3.01
Marital status
Status Male Female
Never married 32.7% 28.8%
Married 52.3% 54.5%
Separated 0.3% 0.6%
Widowed 0.0% 1.9%
Divorced 14.7% 14.1%
Education
Some college, no degree
23.7%
Graduate / professional
11.9%
Metric %
HS diploma or higher 89.6%
Bachelor's or higher 28.4%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 45 13.6%
Kindergarten 22 6.6%
Elementary school 76 22.9%
High school 125 37.7%
College / grad school 64 19.3%
Employment
Industry of employment
Education & healthcare
25.1%
Transportation & utilities
17.4%
Agriculture & mining
6.6%
Professional & management
4.5%
Arts, food & hospitality
3.2%
Finance & real estate
1.9%
Public administration
1.1%
Occupation
Category %
Management, business & arts 26.8%
Service 18.5%
Sales & office 18.1%
Natural resources & construction 12.3%
Production & transportation 24.3%
Employment type
Type %
Private sector 70.9%
Government 18.1%
Self-employed 11.1%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 81.6%
Carpool 6.4%
Public transit 0.0%
Walk 2.8%
Work from home 3.2%
Other means 6.0%
Avg commute (minutes) 34.8
Poverty
Married-couple families
0.5%
Female-led households
19.0%
Income support
Source % of households
Social Security 25.1%
Retirement income 23.7%
Supplemental Security 6.0%
Cash public assistance 1.7%
Food stamps / SNAP 9.7%
Health indicators
Condition %
Obesity 37.5%
High blood pressure 32.4%
High cholesterol 33.7%
Diabetes 9.4%
Heart disease 6.3%
Stroke 2.8%
Asthma 8.7%
Arthritis 24.6%
Kidney disease 2.7%
Pulmonary disease 5.9%
Cancer 7.5%
Behavior / access %
Smoking 15.4%
Binge drinking 20.6%
No physical activity 22.6%
Less than 7 hrs sleep 28.6%
Depression 16.3%
Fair or poor health 11.3%
Poor mental health 12.2%
Poor physical health 8.8%
No health insurance 8.9%
Visited doctor (checkup) 75.8%
Visited dentist 70.6%
Cholesterol screening 90.9%
Teeth loss 10.3%
Veterans & disability
Veterans Count %
Civilian veterans 31 4.7%
Disability %
Any disability 13.3%
Under 18 15.4%
18–64 years 8.8%
65 and over 27.7%
Health insurance coverage
Type %
Private insurance 58.1%
Public insurance 49.5%
No insurance 5.5%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 822 91.4%
Spanish 6 0.7%
Other Indo-European 6 0.7%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 885 98.4%
Born in same state 885 98.4%
Born in different state 737 82.0%
Foreign born 0 0.0%
Naturalized citizen 14 1.6%
Not a US citizen 8 57.1%
Ancestry
Ancestry Count %
Italian 230 25.6%
English 101 11.2%
French 55 6.1%
Arab 51 5.7%
Ancestry Count %
Polish 12 1.3%
German 9 1%
Dutch 1 0.1%
Technology access
Metric % of households
Computer access 33.3%
Internet access 97.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 52621
What city is ZIP code 52621 in?
ZIP code 52621 is primarily assigned to Crawfordsville, Iowa.
What county is ZIP code 52621 in?
ZIP code 52621 falls within Washington County, Iowa.
Is ZIP code 52621 mostly owner-occupied?
82% of occupied units in ZIP code 52621 are owner-occupied, well above the national average.
What is the typical home value in ZIP code 52621?
The median home value in ZIP code 52621 is $145,800.
What is the population of ZIP code 52621?
ZIP code 52621 has an estimated population of 899 residents, with a density of 22 people per square mile.
What is the median household income in ZIP code 52621?
The median household income in ZIP code 52621 is $98,125, above the national median of ~$75,000.
What timezone is ZIP code 52621 in?
ZIP code 52621 observes the CST timezone.
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