Postal Codes

52361 ZIP Code

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ZIP code 52361 covers Williamsburg, Iowa, with a population of about 4,781 and a median household income of $66,695.

Population
4,78137 per square mile
Median age
39.81.1 points above the US average
Median household income
$66,6959% below the Iowa median
Poverty rate
9.2%3.2 points below the US average
Typical home value
$278,968up 33.5% in five years
Median rent
$75820% below the Iowa median
Degree or higher
33.5%1.5 points below the US average
Homeownership
65.7%0.7 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
189

Where 52361 is

Williamsburg, Iowa — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population4,781
Median age39.8
Family households57.3%
Born outside the US0.4%
Speaks a language other than English at home2.4%
White (non-Hispanic)90.6%
Black (non-Hispanic)0.4%
Asian (non-Hispanic)0.3%
Hispanic or Latino7.8%
Veterans4.5%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$66,695
Income per person$40,382
Poverty rate9.2%
Households on SNAP or cash assistance8.2%

Household income distribution

Under $10k3.0%
$10–15k0.0%
$15–20k1.2%
$20–25k6.8%
$25–30k0.4%
$30–35k6.2%
$35–40k7.8%
$40–45k4.3%
$45–50k5.0%
$50–60k10.2%
$60–75k8.5%
$75–100k13.0%
$100–125k13.4%
$125–150k6.6%
$150–200k9.3%
$200k or more4.5%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed2,300
Mean adjusted gross income$94,864
Returns declaring $200,000 or more7%
Returns, under $25k19.6%
Returns, $25k–$50k19.1%
Returns, $50k–$75k17.0%
Returns, $75k–$100k12.6%
Returns, $100k–$200k24.8%
Returns, $200k or more7.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$198,000
Median gross rent$758
Rent as a share of household income22.9%
Owner-occupied65.7%
Vacant homes4.2%
Median year built1978

What the homes are

Detached house66.2%
Attached house6.1%
2 to 4 units13.4%
5 to 19 units6.1%
20 or more units5.4%
Mobile home2.8%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$278,968as of 2026-07
Typical home value, 1 yearup 5%
Typical home value, 5 yearsup 33.5%
Typical home value, 10 yearsup 65.2%
Typical home value since 2000
200920172026$278,968$128,259

$128,259 in 2009 to $278,968 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3%
Bachelor's degree or higher33.5%
High school diploma or higher95.1%
Works from home5.9%
Drives to work alone79.3%
Takes public transport0.3%
Commutes 45 minutes or more10.2%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity42.4% 9 pts above the national average of 33.4%
Diagnosed diabetes10.8% 1.2 pts below the national average of 12%
Currently smokes13.6% same as the national average of 13.2%
High blood pressure34.9% 0.8 pts above the national average of 34.1%
Fair or poor general health16.8% 3.5 pts below the national average of 20.3%
No health insurance (18–64)6.2% 5.1 pts below the national average of 11.3%
Depression20.3% 1.6 pts below the national average of 21.9%
No leisure-time physical activity23.7% 1.7 pts below the national average of 25.4%
Arthritis27.2% 2.1 pts above the national average of 25.1%
Binge drinking20% 4 pts above the national average of 16%
Taking blood pressure medication78.7% 4 pts above the national average of 74.7%
Cancer (non-skin)9.6% 1.9 pts above the national average of 7.7%
Current asthma10% same as the national average of 10.4%
Coronary heart disease6.6% same as the national average of 6.2%
Routine check-up in past year78.9% 2.2 pts above the national average of 76.7%
Cholesterol screening85.7% same as the national average of 85.9%
Cognitive disability12.8% 2 pts below the national average of 14.8%
Colorectal screening68% 3.7 pts above the national average of 64.3%
COPD6.8% same as the national average of 6.6%
Visited a dentist69.7% 8.4 pts above the national average of 61.3%
Any disability27.8% 2.9 pts below the national average of 30.7%
Lacks emotional support22.3% 2.5 pts below the national average of 24.8%
Food insecurity10% 7.1 pts below the national average of 17.1%
Received food stamps8.2% 6.1 pts below the national average of 14.3%
Hearing disability7.7% 1 pts above the national average of 6.7%
High cholesterol36.4% same as the national average of 36.2%
Housing insecurity7.9% 5.9 pts below the national average of 13.8%
Independent living disability7.2% 1.2 pts below the national average of 8.4%
Lacks transport6% 3.2 pts below the national average of 9.2%
Loneliness31.5% 2.9 pts below the national average of 34.4%
Mammography use78.6% 2.7 pts above the national average of 75.9%
Poor mental health (14+ days)15.9% 0.9 pts below the national average of 16.8%
Mobility disability12.7% 1.3 pts below the national average of 14%
Poor physical health (14+ days)12.5% 1 pts below the national average of 13.5%
Self-care disability3.2% 0.8 pts below the national average of 4%
Utility shut-off threat5.6% 3.2 pts below the national average of 8.8%
Sleeps under 7 hours30.4% 6 pts below the national average of 36.4%
Stroke3.3% same as the national average of 3.4%
All natural teeth lost11.5% 1.5 pts below the national average of 13%
Vision disability4% 1.6 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments189
People employed2,753
Annual payroll$136,405,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 82.1% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss84 out of 100
Community resilience90.9 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Strong wind99.5Very High at its worst in this ZIP code
Hail96.2Relatively High at its worst in this ZIP code
Drought95.8Relatively High at its worst in this ZIP code
Tornado95.8Very High at its worst in this ZIP code
Landslide93.8Relatively Low at its worst in this ZIP code
Winter weather93.4Relatively High at its worst in this ZIP code
Wildfire87.4Relatively Moderate at its worst in this ZIP code
Ice storm84.1Relatively Moderate at its worst in this ZIP code
Heat wave82Relatively Moderate at its worst in this ZIP code
River flooding81.1Relatively High at its worst in this ZIP code
Cold wave67.4Relatively Moderate at its worst in this ZIP code
Lightning64.9Relatively Moderate at its worst in this ZIP code
Earthquake36Very Low at its worst in this ZIP code
Hurricane31.8Very Low at its worst in this ZIP code
Compared with Iowa and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPIowaUnited States
Median household income$66,695$73,147$78,538
Income per person$40,382$39,728$43,289
Poverty rate9.2%11%12.4%
Median home value$198,000$195,900$303,400
Median gross rent$758$949$1,348
Homeownership65.7%71.5%65%
Bachelor's degree or higher33.5%30.9%35%
Unemployment rate3%3.6%5.2%
Works from home5.9%10.4%13.5%
Born outside the US0.4%5.7%13.9%
Median age39.838.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationWILLIAMSBURG 1E, IA US3.6 km away
Rain in a year38 in
Snow in a year28 in

Average high and low by month

January28.4°F / 10.4°F1.16 in rain, 7.6 in snow
February33°F / 14.3°F1.46 in rain, 7.7 in snow
March46.5°F / 25.8°F2.19 in rain, 3.6 in snow
April60.4°F / 36.4°F3.92 in rain, 0.9 in snow
May71.3°F / 48.9°F4.85 in rain, 0.1 in snow
June80.5°F / 59.4°F4.8 in rain
July84°F / 62.6°F4.32 in rain
August82.1°F / 59.7°F4.47 in rain
September76.3°F / 50.7°F3.8 in rain
October63°F / 38.6°F2.83 in rain, 0.3 in snow
November47.3°F / 26.9°F2.2 in rain, 1.6 in snow
December34.2°F / 16.3°F1.69 in rain, 6.3 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Williamsburg Community School District92.1% of this ZIP code's land area
English Valleys Community School District7.8% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability32more vulnerable than 32% of US census tracts
Socioeconomic status19more vulnerable than 19% of US census tracts
Household characteristics40more vulnerable than 40% of US census tracts
Racial and ethnic minority status12more vulnerable than 12% of US census tracts
Housing type and transport66more vulnerable than 66% of US census tracts
Walkability5.6 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

52325 Parnell, IA7.8 km away
52220 Conroy, IA10.2 km away
52308 Millersburg, IA13.5 km away
52316 North English, IA13.9 km away
52334 South Amana, IA15.5 km away
52236 Homestead, IA16 km away
52301 Marengo, IA16.8 km away
52251 Ladora, IA18.8 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Iowa County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area129.81 sq mi
Water area0.2 sq mi
Population density37 people per sq mi
Latitude, longitude41.6393, -92.0240

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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