Postal Codes

51249 ZIP Code

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ZIP code 51249 covers Sibley, Iowa, with a population of about 3,588 and a median household income of $63,542.

Population
3,58828 per square mile
Median age
42.43.7 points above the US average
Median household income
$63,54213% below the Iowa median
Poverty rate
21.7%9.3 points above the US average
Typical home value
$180,471
Median rent
$77019% below the Iowa median
Degree or higher
19%16 points below the US average
Homeownership
78%13 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
130

Where 51249 is

Sibley, 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

Population3,588
Median age42.4
Family households62.3%
Born outside the US5%
Speaks a language other than English at home10.3%
White (non-Hispanic)84.3%
Black (non-Hispanic)1.1%
Asian (non-Hispanic)1.3%
Hispanic or Latino10.5%
Veterans7.2%
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$63,542
Income per person$36,187
Poverty rate21.7%
Households on SNAP or cash assistance10%

Household income distribution

Under $10k3.5%
$10–15k5.9%
$15–20k3.5%
$20–25k7.8%
$25–30k5.1%
$30–35k4.2%
$35–40k1.6%
$40–45k5.0%
$45–50k4.7%
$50–60k6.7%
$60–75k8.3%
$75–100k14.1%
$100–125k10.0%
$125–150k6.8%
$150–200k5.7%
$200k or more7.0%

Income as declared to the IRS

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

Tax returns filed1,560
Mean adjusted gross income$72,081
Returns declaring $200,000 or more4.5%
Returns, under $25k23.7%
Returns, $25k–$50k25.6%
Returns, $50k–$75k16.0%
Returns, $75k–$100k12.8%
Returns, $100k–$200k17.3%
Returns, $200k or more4.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$150,000
Median gross rent$770
Rent as a share of household income42.7%
Owner-occupied78%
Vacant homes7.3%
Median year built1958

What the homes are

Detached house85.1%
Attached house1.4%
2 to 4 units6.7%
5 to 19 units5.4%
20 or more units0.9%
Mobile home0.5%
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$180,471as of 2026-07
Typical home value, 1 yearup 9.7%
Typical home value since 2000
202220242026$180,471$148,242

$148,242 in 2022 to $180,471 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.1%
Bachelor's degree or higher19%
High school diploma or higher89.2%
Works from home7.1%
Drives to work alone75.6%
Takes public transport0%
Commutes 45 minutes or more8.7%
Health

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

Obesity40.6% 7.2 pts above the national average of 33.4%
Diagnosed diabetes14% 2 pts above the national average of 12%
Currently smokes17.5% 4.3 pts above the national average of 13.2%
High blood pressure38.9% 4.8 pts above the national average of 34.1%
Fair or poor general health22.9% 2.6 pts above the national average of 20.3%
No health insurance (18–64)10.2% 1.1 pts below the national average of 11.3%
Depression20.6% 1.3 pts below the national average of 21.9%
No leisure-time physical activity31.1% 5.7 pts above the national average of 25.4%
Arthritis30.8% 5.7 pts above the national average of 25.1%
Binge drinking18% 2 pts above the national average of 16%
Taking blood pressure medication80.1% 5.4 pts above the national average of 74.7%
Cancer (non-skin)9.9% 2.2 pts above the national average of 7.7%
Current asthma10.2% same as the national average of 10.4%
Coronary heart disease8.6% 2.4 pts above the national average of 6.2%
Routine check-up in past year77.8% 1.1 pts above the national average of 76.7%
Cholesterol screening83.6% 2.3 pts below the national average of 85.9%
Cognitive disability15.6% 0.8 pts above the national average of 14.8%
Colorectal screening67.3% 3 pts above the national average of 64.3%
COPD9.4% 2.8 pts above the national average of 6.6%
Visited a dentist65.6% 4.3 pts above the national average of 61.3%
Any disability34.6% 3.9 pts above the national average of 30.7%
Lacks emotional support24.1% 0.7 pts below the national average of 24.8%
Food insecurity16% 1.1 pts below the national average of 17.1%
Received food stamps14% same as the national average of 14.3%
Hearing disability9.8% 3.1 pts above the national average of 6.7%
High cholesterol37.9% 1.7 pts above the national average of 36.2%
Housing insecurity11.5% 2.3 pts below the national average of 13.8%
Independent living disability9.6% 1.2 pts above the national average of 8.4%
Lacks transport8.3% 0.9 pts below the national average of 9.2%
Loneliness32.6% 1.8 pts below the national average of 34.4%
Mammography use74.7% 1.2 pts below the national average of 75.9%
Poor mental health (14+ days)16.7% same as the national average of 16.8%
Mobility disability17.4% 3.4 pts above the national average of 14%
Poor physical health (14+ days)15.4% 1.9 pts above the national average of 13.5%
Self-care disability4.7% 0.7 pts above the national average of 4%
Utility shut-off threat7.9% 0.9 pts below the national average of 8.8%
Sleeps under 7 hours32% 4.4 pts below the national average of 36.4%
Stroke4.4% 1 pts above the national average of 3.4%
All natural teeth lost14.6% 1.6 pts above the national average of 13%
Vision disability6% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments130
People employed1,434
Annual payroll$62,326,000
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 86.3% of US census tracts
FEMA ratingRelatively High
Expected annual loss83.1 out of 100
Community resilience56.4 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.

Hail99.3Very High at its worst in this ZIP code
Winter weather99Very High at its worst in this ZIP code
Cold wave95.8Very High at its worst in this ZIP code
Tornado95.8Very High at its worst in this ZIP code
Strong wind95.5Relatively High at its worst in this ZIP code
Drought95.3Relatively Moderate at its worst in this ZIP code
Ice storm91.8Relatively High at its worst in this ZIP code
Lightning79Relatively High at its worst in this ZIP code
River flooding77.6Relatively High at its worst in this ZIP code
Wildfire68Relatively Low at its worst in this ZIP code
Heat wave66.1Relatively Moderate at its worst in this ZIP code
Landslide62.3Very Low at its worst in this ZIP code
Earthquake18.5Very 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$63,542$73,147$78,538
Income per person$36,187$39,728$43,289
Poverty rate21.7%11%12.4%
Median home value$150,000$195,900$303,400
Median gross rent$770$949$1,348
Homeownership78%71.5%65%
Bachelor's degree or higher19%30.9%35%
Unemployment rate6.1%3.6%5.2%
Works from home7.1%10.4%13.5%
Born outside the US5%5.7%13.9%
Median age42.438.638.7
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 stationSIBLEY, IA US0.5 km away
Rain in a year30 in
Snow in a year42 in

Average high and low by month

January23.1°F / 4.7°F0.74 in rain, 8.1 in snow
February28°F / 8.8°F0.84 in rain, 7.4 in snow
March41°F / 20.6°F1.59 in rain, 7 in snow
April56.1°F / 32.5°F3.25 in rain, 3.7 in snow
May68.8°F / 45.5°F4.06 in rain
June78.9°F / 56.7°F4.88 in rain
July82.1°F / 60.3°F3.3 in rain
August79.9°F / 57.9°F3.58 in rain
September73.8°F / 49.1°F3.25 in rain
October59.8°F / 35.7°F2.31 in rain, 1.1 in snow
November42.6°F / 22.3°F1.38 in rain, 5.1 in snow
December28.3°F / 10.7°F1.05 in rain, 9.1 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 supermarket83% of this ZIP code's area
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.

Sibley-Ocheyedan Community School District97% of this ZIP code's land area
George-Little Rock Community School District2.5% 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 vulnerability63more vulnerable than 63% of US census tracts
Socioeconomic status54more vulnerable than 54% of US census tracts
Household characteristics84more vulnerable than 84% of US census tracts
Racial and ethnic minority status22more vulnerable than 22% of US census tracts
Housing type and transport62more vulnerable than 62% of US census tracts
Walkability6.4 out of 20Below average
Nearby ZIP codes

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

51232 Ashton, IA11.5 km away
51243 Little Rock, IA13 km away
56117 Bigelow, MN15.9 km away
51354 Ocheyedan, IA18 km away
51350 Melvin, IA18.2 km away
51237 George, IA21.2 km away
51244 Matlock, IA23.9 km away
56168 Rushmore, MN24.3 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.

Osceola County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area126.59 sq mi
Water area0.01 sq mi
Population density28 people per sq mi
Latitude, longitude43.4069, -95.7424

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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