Postal Codes

52591 ZIP Code

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ZIP code 52591 covers Sigourney, Iowa, with a population of about 2,646 and a median household income of $56,318.

Population
2,64621 per square mile
Median age
43.34.6 points above the US average
Median household income
$56,31823% below the Iowa median
Poverty rate
13%0.6 points above the US average
Typical home value
$143,328up 28.5% in five years
Median rent
$902about the Iowa median
Degree or higher
19.9%15.1 points below the US average
Homeownership
63.1%1.9 points below the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
104

Where 52591 is

Sigourney, 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

Population2,646
Median age43.3
Family households61.7%
Born outside the US0.9%
Speaks a language other than English at home4.2%
White (non-Hispanic)97.7%
Black (non-Hispanic)0.8%
Asian (non-Hispanic)0%
Hispanic or Latino0.3%
Veterans7.8%
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$56,318
Income per person$35,131
Poverty rate13%
Households on SNAP or cash assistance10%

Household income distribution

Under $10k3.6%
$10–15k6.3%
$15–20k9.0%
$20–25k6.0%
$25–30k0.5%
$30–35k4.7%
$35–40k4.8%
$40–45k1.8%
$45–50k6.5%
$50–60k11.0%
$60–75k10.5%
$75–100k9.4%
$100–125k6.9%
$125–150k6.5%
$150–200k4.4%
$200k or more8.2%

Income as declared to the IRS

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

Tax returns filed1,260
Mean adjusted gross income$71,040
Returns declaring $200,000 or more3.2%
Returns, under $25k25.4%
Returns, $25k–$50k24.6%
Returns, $50k–$75k18.3%
Returns, $75k–$100k12.7%
Returns, $100k–$200k15.9%
Returns, $200k or more3.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$119,900
Median gross rent$902
Rent as a share of household income32%
Owner-occupied63.1%
Vacant homes14.2%
Median year built1961

What the homes are

Detached house77.5%
Attached house2.7%
2 to 4 units13.3%
5 to 19 units4.3%
Mobile home2.2%
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$143,328as of 2026-07
Typical home value, 1 yearup 9.6%
Typical home value, 5 yearsup 28.5%
Typical home value, 10 yearsup 57.4%
Typical home value since 2000
201120182026$143,328$53,162

$53,162 in 2011 to $143,328 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.4%
Bachelor's degree or higher19.9%
High school diploma or higher92.6%
Works from home12.6%
Drives to work alone75%
Takes public transport0%
Commutes 45 minutes or more15.4%
Health

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

Obesity40.9% 7.5 pts above the national average of 33.4%
Diagnosed diabetes13.7% 1.7 pts above the national average of 12%
Currently smokes17.1% 3.9 pts above the national average of 13.2%
High blood pressure40.6% 6.5 pts above the national average of 34.1%
Fair or poor general health20.6% same as the national average of 20.3%
No health insurance (18–64)7% 4.3 pts below the national average of 11.3%
Depression20.9% 1 pts below the national average of 21.9%
No leisure-time physical activity29% 3.6 pts above the national average of 25.4%
Arthritis32.4% 7.3 pts above the national average of 25.1%
Binge drinking18.2% 2.2 pts above the national average of 16%
Taking blood pressure medication81.1% 6.4 pts above the national average of 74.7%
Cancer (non-skin)10.9% 3.2 pts above the national average of 7.7%
Current asthma10.2% same as the national average of 10.4%
Coronary heart disease8.5% 2.3 pts above the national average of 6.2%
Routine check-up in past year78.9% 2.2 pts above the national average of 76.7%
Cholesterol screening85.5% same as the national average of 85.9%
Cognitive disability14.3% 0.5 pts below the national average of 14.8%
Colorectal screening67% 2.7 pts above the national average of 64.3%
COPD9.1% 2.5 pts above the national average of 6.6%
Visited a dentist63.7% 2.4 pts above the national average of 61.3%
Any disability32.7% 2 pts above the national average of 30.7%
Lacks emotional support23.4% 1.4 pts below the national average of 24.8%
Food insecurity12.4% 4.7 pts below the national average of 17.1%
Received food stamps11.2% 3.1 pts below the national average of 14.3%
Hearing disability9.7% 3 pts above the national average of 6.7%
High cholesterol38.2% 2 pts above the national average of 36.2%
Housing insecurity9.1% 4.7 pts below the national average of 13.8%
Independent living disability8.8% same as the national average of 8.4%
Lacks transport6.9% 2.3 pts below the national average of 9.2%
Loneliness32.2% 2.2 pts below the national average of 34.4%
Mammography use76.8% 0.9 pts above the national average of 75.9%
Poor mental health (14+ days)16.4% same as the national average of 16.8%
Mobility disability16.6% 2.6 pts above the national average of 14%
Poor physical health (14+ days)14.8% 1.3 pts above the national average of 13.5%
Self-care disability4.2% same as the national average of 4%
Utility shut-off threat6.6% 2.2 pts below the national average of 8.8%
Sleeps under 7 hours32.3% 4.1 pts below the national average of 36.4%
Stroke4.3% 0.9 pts above the national average of 3.4%
All natural teeth lost16.3% 3.3 pts above the national average of 13%
Vision disability5.1% 0.5 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments104
People employed846
Annual payroll$37,899,000
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 70.4% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss74.7 out of 100
Community resilience73.6 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 wind97.9Very High at its worst in this ZIP code
Drought97Relatively High at its worst in this ZIP code
Hail93.7Relatively High at its worst in this ZIP code
Landslide88.2Relatively Low at its worst in this ZIP code
Wildfire82.9Relatively Low at its worst in this ZIP code
Tornado80.9Relatively High at its worst in this ZIP code
Heat wave80.1Relatively High at its worst in this ZIP code
Winter weather77.1Relatively High at its worst in this ZIP code
Lightning76.1Relatively High at its worst in this ZIP code
River flooding72.4Relatively High at its worst in this ZIP code
Cold wave62.2Relatively Moderate at its worst in this ZIP code
Ice storm61.4Relatively Low at its worst in this ZIP code
Hurricane30.2Very Low at its worst in this ZIP code
Earthquake26.7Very 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$56,318$73,147$78,538
Income per person$35,131$39,728$43,289
Poverty rate13%11%12.4%
Median home value$119,900$195,900$303,400
Median gross rent$902$949$1,348
Homeownership63.1%71.5%65%
Bachelor's degree or higher19.9%30.9%35%
Unemployment rate3.4%3.6%5.2%
Works from home12.6%10.4%13.5%
Born outside the US0.9%5.7%13.9%
Median age43.338.638.7
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 stationSIGOURNEY, IA US2.3 km away
Rain in a year37 in

Average high and low by month

January29.8°F / 11.5°F1.18 in rain
February34.6°F / 15.1°F1.47 in rain
March47.6°F / 26.3°F2.34 in rain
April60.7°F / 37.2°F3.7 in rain
May71°F / 49.1°F4.95 in rain
June80.6°F / 59.1°F5.11 in rain
July84.6°F / 62.7°F3.93 in rain
August82.8°F / 60.4°F4.76 in rain
September76.4°F / 51.7°F3.47 in rain
October63.4°F / 39.8°F2.78 in rain
November48.2°F / 27.7°F2.18 in rain
December35.3°F / 17.7°F1.54 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 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.

Sigourney Community School District94.9% of this ZIP code's land area
Keota Community School District4.7% 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 vulnerability29more vulnerable than 29% of US census tracts
Socioeconomic status30more vulnerable than 30% of US census tracts
Household characteristics60more vulnerable than 60% of US census tracts
Racial and ethnic minority status4more vulnerable than 4% of US census tracts
Housing type and transport33more vulnerable than 33% of US census tracts
Walkability4.9 out of 20Least walkable
Nearby ZIP codes

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

52562 Hayesville, IA2.1 km away
52550 Delta, IA11.3 km away
52355 Webster, IA12 km away
52231 Harper, IA14.4 km away
50268 What Cheer, IA14.7 km away
50136 Keswick, IA14.9 km away
52576 Ollie, IA15.5 km away
52568 Martinsburg, IA16.1 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.

Keokuk County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area124.24 sq mi
Water area0.11 sq mi
Population density21 people per sq mi
Latitude, longitude41.3301, -92.2019

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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