Postal Codes

51016 ZIP Code

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ZIP code 51016 covers Correctionville, Iowa, with a population of about 1,095 and a median household income of $52,813.

Population
1,09510 per square mile
Median age
35.73 points below the US average
Median household income
$52,81328% below the Iowa median
Poverty rate
12.7%about the US average
Typical home value
$174,658up 31.4% in five years
Median rent
$925about the Iowa median
Degree or higher
19.8%15.2 points below the US average
Homeownership
85.6%20.6 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
30

Where 51016 is

Correctionville, 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

Population1,095
Median age35.7
Family households63.5%
Born outside the US3.4%
Speaks a language other than English at home15.9%
White (non-Hispanic)82.6%
Black (non-Hispanic)0.5%
Asian (non-Hispanic)0.2%
Hispanic or Latino14.7%
Veterans7.1%
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$52,813
Income per person$26,459
Poverty rate12.7%
Households on SNAP or cash assistance14.4%

Household income distribution

Under $10k3.1%
$10–15k4.7%
$15–20k3.5%
$20–25k4.2%
$25–30k8.2%
$30–35k4.2%
$35–40k5.2%
$40–45k5.2%
$45–50k6.4%
$50–60k11.8%
$60–75k6.1%
$75–100k19.3%
$100–125k6.4%
$125–150k6.6%
$150–200k3.8%
$200k or more1.4%

Income as declared to the IRS

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

Tax returns filed600
Mean adjusted gross income$71,938
Returns declaring $200,000 or more5%
Returns, under $25k23.3%
Returns, $25k–$50k25.0%
Returns, $50k–$75k18.3%
Returns, $75k–$100k11.7%
Returns, $100k–$200k16.7%
Returns, $200k or more5.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$88,300
Median gross rent$925
Rent as a share of household income21.8%
Owner-occupied85.6%
Vacant homes12.2%
Median year built1947

What the homes are

Detached house90.7%
2 to 4 units2.3%
5 to 19 units1.7%
20 or more units0.4%
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$174,658as of 2026-07
Typical home value, 1 yearup 4%
Typical home value, 5 yearsup 31.4%
Typical home value, 10 yearsup 121.8%
Typical home value since 2000
201620212026$174,658$78,736

$78,736 in 2016 to $174,658 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.3%
Bachelor's degree or higher19.8%
High school diploma or higher87.2%
Works from home13.2%
Drives to work alone71.7%
Takes public transport0.5%
Commutes 45 minutes or more21.9%
Health

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

Obesity38.8% 5.4 pts above the national average of 33.4%
Diagnosed diabetes13.8% 1.8 pts above the national average of 12%
Currently smokes16.6% 3.4 pts above the national average of 13.2%
High blood pressure40.5% 6.4 pts above the national average of 34.1%
Fair or poor general health20.8% 0.5 pts above the national average of 20.3%
No health insurance (18–64)7.4% 3.9 pts below the national average of 11.3%
Depression20.2% 1.7 pts below the national average of 21.9%
No leisure-time physical activity29% 3.6 pts above the national average of 25.4%
Arthritis31.2% 6.1 pts above the national average of 25.1%
Binge drinking18.2% 2.2 pts above the national average of 16%
Taking blood pressure medication82.3% 7.6 pts above the national average of 74.7%
Cancer (non-skin)10.7% 3 pts above the national average of 7.7%
Current asthma9.8% 0.6 pts below the national average of 10.4%
Coronary heart disease8.9% 2.7 pts above the national average of 6.2%
Routine check-up in past year79.7% 3 pts above the national average of 76.7%
Cholesterol screening85.5% same as the national average of 85.9%
Cognitive disability13.9% 0.9 pts below the national average of 14.8%
Colorectal screening69% 4.7 pts above the national average of 64.3%
COPD9.3% 2.7 pts above the national average of 6.6%
Visited a dentist62.1% 0.8 pts above the national average of 61.3%
Any disability31.7% 1 pts above the national average of 30.7%
Lacks emotional support23% 1.8 pts below the national average of 24.8%
Food insecurity11.7% 5.4 pts below the national average of 17.1%
Received food stamps11% 3.3 pts below the national average of 14.3%
Hearing disability9.9% 3.2 pts above the national average of 6.7%
High cholesterol38.5% 2.3 pts above the national average of 36.2%
Housing insecurity8.7% 5.1 pts below the national average of 13.8%
Independent living disability8.5% same as the national average of 8.4%
Lacks transport6.9% 2.3 pts below the national average of 9.2%
Loneliness30.8% 3.6 pts below the national average of 34.4%
Mammography use76% same as the national average of 75.9%
Poor mental health (14+ days)16.4% same as the national average of 16.8%
Mobility disability16% 2 pts above the national average of 14%
Poor physical health (14+ days)15.1% 1.6 pts above the national average of 13.5%
Self-care disability4.1% same as the national average of 4%
Utility shut-off threat6.3% 2.5 pts below the national average of 8.8%
Sleeps under 7 hours30.1% 6.3 pts below the national average of 36.4%
Stroke4.4% 1 pts above the national average of 3.4%
All natural teeth lost15.9% 2.9 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 establishments30
People employed198
Annual payroll$9,671,000
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 94.5% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 3 census tracts this ZIP code covers
Expected annual loss93.9 out of 100
Community resilience82.3 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.

Hail99.2Very High at its worst in this ZIP code
Tornado98.7Very High at its worst in this ZIP code
Drought98.6Relatively High at its worst in this ZIP code
Landslide95.1Relatively Moderate at its worst in this ZIP code
River flooding94.5Very High at its worst in this ZIP code
Strong wind93.1Relatively High at its worst in this ZIP code
Winter weather92.4Relatively High at its worst in this ZIP code
Cold wave90.3Relatively High at its worst in this ZIP code
Wildfire89.7Relatively Moderate at its worst in this ZIP code
Ice storm88.7Relatively Moderate at its worst in this ZIP code
Heat wave69Relatively Moderate at its worst in this ZIP code
Lightning54.1Relatively High at its worst in this ZIP code
Earthquake13.8Very 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$52,813$73,147$78,538
Income per person$26,459$39,728$43,289
Poverty rate12.7%11%12.4%
Median home value$88,300$195,900$303,400
Median gross rent$925$949$1,348
Homeownership85.6%71.5%65%
Bachelor's degree or higher19.8%30.9%35%
Unemployment rate1.3%3.6%5.2%
Works from home13.2%10.4%13.5%
Born outside the US3.4%5.7%13.9%
Median age35.738.638.7
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 stationHOLSTEIN, IA US19.1 km away
Rain in a year33 in
Snow in a year35 in

Average high and low by month

January25.7°F / 8.6°F0.93 in rain, 6.9 in snow
February30.9°F / 12.8°F1.08 in rain, 8.9 in snow
March44.8°F / 24.5°F1.99 in rain, 5.3 in snow
April58.7°F / 35.8°F3.42 in rain, 2.1 in snow
May69.8°F / 48.8°F4.5 in rain, 0.2 in snow
June79.4°F / 59.4°F5.14 in rain
July81.4°F / 63.1°F3.79 in rain
August79.3°F / 61.2°F4.24 in rain
September73.3°F / 52°F3.08 in rain
October60.3°F / 39.2°F2.36 in rain, 0.3 in snow
November44.2°F / 25.3°F1.45 in rain, 3.5 in snow
December30.8°F / 13.8°F1.18 in rain, 8.1 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 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 4 school districts, so the address decides which one, not the ZIP code.

River Valley Community School District79.9% of this ZIP code's land area
Maple Valley-Anthon Oto Community School District10.2% of this ZIP code's land area
Kingsley-Pierson Community School District5.8% of this ZIP code's land area
Woodbury Central Community School District4% 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 vulnerability45more vulnerable than 45% of US census tracts
Socioeconomic status26more vulnerable than 26% of US census tracts
Household characteristics84more vulnerable than 84% of US census tracts
Racial and ethnic minority status18more vulnerable than 18% of US census tracts
Housing type and transport51more vulnerable than 51% of US census tracts
Walkability5.5 out of 20Least walkable
Nearby ZIP codes

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

51018 Cushing, IA8.5 km away
51048 Pierson, IA11.3 km away
51061 Washta, IA12.3 km away
51004 Anthon, IA13.5 km away
51025 Holstein, IA17.8 km away
51049 Quimby, IA20.7 km away
51006 Battle Creek, IA21.4 km away
51028 Kingsley, IA22.7 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.

Woodbury County90.5% of this ZIP code's land area
Ida County9.5% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area104.82 sq mi
Water area0.2 sq mi
Population density10 people per sq mi
Latitude, longitude42.4743, -95.7804

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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