Postal Codes

52577 ZIP Code

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ZIP code 52577 covers Oskaloosa, Iowa, with a population of about 14,336 and a median household income of $65,589.

Population
14,33691 per square mile
Median age
39.40.7 points above the US average
Median household income
$65,58910% below the Iowa median
Poverty rate
14.9%2.5 points above the US average
Typical home value
$194,527up 34.5% in five years
Median rent
$8807% below the Iowa median
Degree or higher
25.7%9.3 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
396

Where 52577 is

Oskaloosa, 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

Population14,336
Median age39.4
Family households63%
Born outside the US2.2%
Speaks a language other than English at home2.7%
White (non-Hispanic)91.9%
Black (non-Hispanic)1.5%
Asian (non-Hispanic)1.4%
Hispanic or Latino2.4%
Veterans6.2%
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$65,589
Income per person$35,607
Poverty rate14.9%
Households on SNAP or cash assistance16.6%

Household income distribution

Under $10k3.9%
$10–15k4.2%
$15–20k6.2%
$20–25k5.7%
$25–30k2.7%
$30–35k4.6%
$35–40k4.3%
$40–45k2.9%
$45–50k4.1%
$50–60k7.4%
$60–75k8.6%
$75–100k17.5%
$100–125k11.1%
$125–150k4.7%
$150–200k7.6%
$200k or more4.6%

Income as declared to the IRS

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

Tax returns filed6,410
Mean adjusted gross income$70,801
Returns declaring $200,000 or more3.7%
Returns, under $25k25.9%
Returns, $25k–$50k23.7%
Returns, $50k–$75k18.6%
Returns, $75k–$100k11.2%
Returns, $100k–$200k16.8%
Returns, $200k or more3.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$143,700
Median gross rent$880
Rent as a share of household income24.1%
Owner-occupied65.7%
Vacant homes8.5%
Median year built1968

What the homes are

Detached house73.3%
Attached house1.5%
2 to 4 units10.6%
5 to 19 units7.5%
20 or more units2.1%
Mobile home5%
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$194,527as of 2026-07
Typical home value, 1 yearup 7.6%
Typical home value, 5 yearsup 34.5%
Typical home value, 10 yearsup 85.8%
Typical home value since 2000
200920172026$194,527$79,626

$80,821 in 2009 to $194,527 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4%
Bachelor's degree or higher25.7%
High school diploma or higher93.7%
Works from home5.6%
Drives to work alone79.5%
Takes public transport0%
Commutes 45 minutes or more6.4%
Health

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

Obesity38.9% 5.5 pts above the national average of 33.4%
Diagnosed diabetes12% same as the national average of 12%
Currently smokes16.8% 3.6 pts above the national average of 13.2%
High blood pressure36.4% 2.3 pts above the national average of 34.1%
Fair or poor general health20% same as the national average of 20.3%
No health insurance (18–64)7.3% 4 pts below the national average of 11.3%
Depression21.7% same as the national average of 21.9%
No leisure-time physical activity29.4% 4 pts above the national average of 25.4%
Arthritis29.2% 4.1 pts above the national average of 25.1%
Binge drinking19% 3 pts above the national average of 16%
Taking blood pressure medication78.8% 4.1 pts above the national average of 74.7%
Cancer (non-skin)9.3% 1.6 pts above the national average of 7.7%
Current asthma10.4% same as the national average of 10.4%
Coronary heart disease7.5% 1.3 pts above the national average of 6.2%
Routine check-up in past year77% same as the national average of 76.7%
Cholesterol screening82.8% 3.1 pts below the national average of 85.9%
Cognitive disability15% same as the national average of 14.8%
Colorectal screening65.6% 1.3 pts above the national average of 64.3%
COPD8.3% 1.7 pts above the national average of 6.6%
Visited a dentist65.3% 4 pts above the national average of 61.3%
Any disability31.3% 0.6 pts above the national average of 30.7%
Lacks emotional support23.7% 1.1 pts below the national average of 24.8%
Food insecurity13.5% 3.6 pts below the national average of 17.1%
Received food stamps12.2% 2.1 pts below the national average of 14.3%
Hearing disability8.5% 1.8 pts above the national average of 6.7%
High cholesterol36.1% same as the national average of 36.2%
Housing insecurity9.9% 3.9 pts below the national average of 13.8%
Independent living disability8.7% same as the national average of 8.4%
Lacks transport7.7% 1.5 pts below the national average of 9.2%
Loneliness32.5% 1.9 pts below the national average of 34.4%
Mammography use76.7% 0.8 pts above the national average of 75.9%
Poor mental health (14+ days)17.5% 0.7 pts above the national average of 16.8%
Mobility disability14.9% 0.9 pts above the national average of 14%
Poor physical health (14+ days)14.1% 0.6 pts above the national average of 13.5%
Self-care disability4% same as the national average of 4%
Utility shut-off threat7.1% 1.7 pts below the national average of 8.8%
Sleeps under 7 hours34.4% 2 pts below the national average of 36.4%
Stroke3.8% same as the national average of 3.4%
All natural teeth lost15% 2 pts above the national average of 13%
Vision disability5% 0.6 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments396
People employed6,399
Annual payroll$333,597,000
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 73.5% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 7 census tracts this ZIP code covers
Expected annual loss79.6 out of 100
Community resilience70.9 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.

Drought97.1Relatively High at its worst in this ZIP code
Strong wind96.1Very High at its worst in this ZIP code
Landslide89.9Relatively Low at its worst in this ZIP code
Hail89.5Relatively High at its worst in this ZIP code
Wildfire82.5Relatively Low at its worst in this ZIP code
Winter weather81.2Relatively High at its worst in this ZIP code
Tornado80.8Relatively High at its worst in this ZIP code
River flooding76Relatively High at its worst in this ZIP code
Cold wave73.9Relatively High at its worst in this ZIP code
Ice storm72.8Relatively Moderate at its worst in this ZIP code
Heat wave70.2Relatively Moderate at its worst in this ZIP code
Lightning69.5Relatively Moderate at its worst in this ZIP code
Hurricane30.6Very Low at its worst in this ZIP code
Earthquake29Very 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$65,589$73,147$78,538
Income per person$35,607$39,728$43,289
Poverty rate14.9%11%12.4%
Median home value$143,700$195,900$303,400
Median gross rent$880$949$1,348
Homeownership65.7%71.5%65%
Bachelor's degree or higher25.7%30.9%35%
Unemployment rate4%3.6%5.2%
Works from home5.6%10.4%13.5%
Born outside the US2.2%5.7%13.9%
Median age39.438.638.7
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 stationOSKALOOSA, IA US3 km away
Rain in a year39 in

Average high and low by month

January30.7°F / 12.2°F1.75 in rain
February35.9°F / 15.9°F1.74 in rain
March49.3°F / 27.3°F2.15 in rain
April62.2°F / 38.1°F3.92 in rain
May72.2°F / 50.8°F4.71 in rain
June81.5°F / 60.8°F5.18 in rain
July85.5°F / 64.8°F4.4 in rain
August83.8°F / 62°F5.08 in rain
September77.4°F / 53°F3.56 in rain
October64.5°F / 41.2°F2.68 in rain
November49.3°F / 28.5°F2.2 in rain
December36.2°F / 18.2°F1.35 in rain
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 supermarket2% of this ZIP code's area
Far from a supermarket5% of this ZIP code's area
No vehicle and far from a supermarket2% of this ZIP code's area
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 3 school districts, so the address decides which one, not the ZIP code.

Oskaloosa Community School District83.8% of this ZIP code's land area
Eddyville-Blakesburg-Fremont Community School District13.2% of this ZIP code's land area
Twin Cedars Community School District2.1% 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 vulnerability25more vulnerable than 25% 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 status11more vulnerable than 11% of US census tracts
Housing type and transport49more vulnerable than 49% of US census tracts
Walkability4.2 out of 20Least walkable
Nearby ZIP codes

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

52595 University Park, IA2.3 km away
52534 Beacon, IA4 km away
52543 Cedar, IA14.5 km away
52586 Rose Hill, IA14.9 km away
52553 Eddyville, IA15.8 km away
50143 Leighton, IA15.8 km away
50207 New Sharon, IA19.2 km away
50256 Tracy, IA19.4 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.

Mahaska County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area158.35 sq mi
Water area1.54 sq mi
Population density91 people per sq mi
Latitude, longitude41.2942, -92.6439

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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