Postal Codes

50645 ZIP Code

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ZIP code 50645 covers Ionia, Iowa, with a population of about 1,301 and a median household income of $61,563.

Population
1,30115 per square mile
Median age
57.418.7 points above the US average
Median household income
$61,56316% below the Iowa median
Poverty rate
12.4%about the US average
Typical home value
$264,010
Median rent
$80615% below the Iowa median
Degree or higher
11%24 points below the US average
Homeownership
90.5%25.5 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
23

Where 50645 is

Ionia, 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

Population1,301
Median age57.4
Family households59.7%
Born outside the US0.2%
Speaks a language other than English at home4.9%
White (non-Hispanic)95.9%
Black (non-Hispanic)3.4%
Asian (non-Hispanic)0.2%
Hispanic or Latino0.4%
Veterans8.7%
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$61,563
Income per person$32,849
Poverty rate12.4%
Households on SNAP or cash assistance5.3%

Household income distribution

Under $10k16.2%
$10–15k4.7%
$15–20k1.0%
$20–25k3.5%
$25–30k2.6%
$30–35k1.6%
$35–40k4.5%
$40–45k4.0%
$45–50k7.2%
$50–60k2.7%
$60–75k18.0%
$75–100k12.8%
$100–125k6.6%
$125–150k8.0%
$150–200k2.4%
$200k or more4.2%

Income as declared to the IRS

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

Tax returns filed530
Mean adjusted gross income$80,138
Returns declaring $200,000 or more5.7%
Returns, under $25k24.5%
Returns, $25k–$50k24.5%
Returns, $50k–$75k17.0%
Returns, $75k–$100k11.3%
Returns, $100k–$200k17.0%
Returns, $200k or more5.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$113,000
Median gross rent$806
Rent as a share of household income13.6%
Owner-occupied90.5%
Vacant homes14.8%
Median year built1953

What the homes are

Detached house93.4%
2 to 4 units3.1%
5 to 19 units1.2%
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$264,010as of 2026-07
Typical home value, 1 yearup 7.5%
Typical home value since 2000
202220242026$264,010$210,642

$210,642 in 2022 to $264,010 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0.3%
Bachelor's degree or higher11%
High school diploma or higher91.1%
Works from home22.8%
Drives to work alone68.3%
Takes public transport0%
Commutes 45 minutes or more10.9%
Health

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

Obesity40.8% 7.4 pts above the national average of 33.4%
Diagnosed diabetes12.8% 0.8 pts above the national average of 12%
Currently smokes17.3% 4.1 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 health19.5% 0.8 pts below the national average of 20.3%
No health insurance (18–64)6.7% 4.6 pts below the national average of 11.3%
Depression19.5% 2.4 pts below the national average of 21.9%
No leisure-time physical activity27.3% 1.9 pts above the national average of 25.4%
Arthritis30.6% 5.5 pts above the national average of 25.1%
Binge drinking20.7% 4.7 pts above the national average of 16%
Taking blood pressure medication79.5% 4.8 pts above the national average of 74.7%
Cancer (non-skin)10% 2.3 pts above the national average of 7.7%
Current asthma9.9% 0.5 pts below the national average of 10.4%
Coronary heart disease7.7% 1.5 pts above the national average of 6.2%
Routine check-up in past year77.5% 0.8 pts above the national average of 76.7%
Cholesterol screening85.8% same as the national average of 85.9%
Cognitive disability13.7% 1.1 pts below the national average of 14.8%
Colorectal screening68.8% 4.5 pts above the national average of 64.3%
COPD8.3% 1.7 pts above the national average of 6.6%
Visited a dentist65.9% 4.6 pts above the national average of 61.3%
Any disability29.4% 1.3 pts below the national average of 30.7%
Lacks emotional support23.9% 0.9 pts below the national average of 24.8%
Food insecurity11.2% 5.9 pts below the national average of 17.1%
Received food stamps9.7% 4.6 pts below the national average of 14.3%
Hearing disability8.5% 1.8 pts above the national average of 6.7%
High cholesterol37.1% 0.9 pts above the national average of 36.2%
Housing insecurity8.5% 5.3 pts below the national average of 13.8%
Independent living disability7.8% 0.6 pts below the national average of 8.4%
Lacks transport6.3% 2.9 pts below the national average of 9.2%
Loneliness30.4% 4 pts below the national average of 34.4%
Mammography use75.7% same as the national average of 75.9%
Poor mental health (14+ days)16% 0.8 pts below the national average of 16.8%
Mobility disability14.5% 0.5 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 disability3.9% same as the national average of 4%
Utility shut-off threat6.1% 2.7 pts below the national average of 8.8%
Sleeps under 7 hours32.1% 4.3 pts below the national average of 36.4%
Stroke3.8% same as the national average of 3.4%
All natural teeth lost15.9% 2.9 pts above the national average of 13%
Vision disability4.5% 1.1 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments23
People employed78
Annual payroll$4,066,000
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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 81% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 4 census tracts this ZIP code covers
Expected annual loss86.2 out of 100
Community resilience77.9 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.

Drought98.4Relatively High at its worst in this ZIP code
Hail96.8Very High at its worst in this ZIP code
Strong wind94.6Very High at its worst in this ZIP code
Tornado90.7Very High at its worst in this ZIP code
Winter weather87Relatively High at its worst in this ZIP code
Cold wave83.3Relatively High at its worst in this ZIP code
River flooding83.2Relatively High at its worst in this ZIP code
Landslide75.4Very Low at its worst in this ZIP code
Wildfire74.1Relatively Low at its worst in this ZIP code
Ice storm55.2Relatively Low at its worst in this ZIP code
Lightning47.8Relatively Moderate at its worst in this ZIP code
Hurricane33.8Very Low at its worst in this ZIP code
Heat wave23.4Relatively Low at its worst in this ZIP code
Earthquake9.3Very 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$61,563$73,147$78,538
Income per person$32,849$39,728$43,289
Poverty rate12.4%11%12.4%
Median home value$113,000$195,900$303,400
Median gross rent$806$949$1,348
Homeownership90.5%71.5%65%
Bachelor's degree or higher11%30.9%35%
Unemployment rate0.3%3.6%5.2%
Works from home22.8%10.4%13.5%
Born outside the US0.2%5.7%13.9%
Median age57.438.638.7
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 stationNEW HAMPTON, IA US14.2 km away
Rain in a year41 in
Snow in a year38 in

Average high and low by month

January23.3°F / 5.5°F1.31 in rain, 9.7 in snow
February27.8°F / 9.8°F1.38 in rain, 10.3 in snow
March41°F / 22.4°F2.35 in rain, 6.2 in snow
April56.3°F / 34.1°F4.18 in rain, 1.4 in snow
May68°F / 46.5°F4.95 in rain
June78°F / 56.9°F6.59 in rain
July80.8°F / 60.2°F4.99 in rain
August78.8°F / 58°F4.59 in rain
September72.6°F / 49.3°F3.83 in rain
October59.1°F / 36.9°F2.66 in rain, 0.1 in snow
November42.8°F / 23.8°F2.07 in rain, 2.9 in snow
December29.1°F / 12.4°F1.67 in rain, 7.9 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.

Nashua-Plainfield Community School District35.9% of this ZIP code's land area
New Hampton Community School District35.5% of this ZIP code's land area
Charles City Community School District20.1% of this ZIP code's land area
Tripoli Community School District8.4% 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 status31more vulnerable than 31% of US census tracts
Household characteristics54more vulnerable than 54% of US census tracts
Racial and ethnic minority status3more vulnerable than 3% of US census tracts
Housing type and transport34more vulnerable than 34% of US census tracts
Walkability4 out of 20Least walkable
Nearby ZIP codes

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

50658 Nashua, IA10.3 km away
50661 North Washington, IA10.4 km away
50603 Alta Vista, IA13 km away
50659 New Hampton, IA14.2 km away
50620 Colwell, IA15.6 km away
50616 Charles City, IA15.7 km away
50666 Plainfield, IA21.2 km away
50435 Floyd, IA22.4 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.

Chickasaw County90.2% of this ZIP code's land area
Bremer County6.8% of this ZIP code's land area
Floyd County2.9% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area85.63 sq mi
Water area0.21 sq mi
Population density15 people per sq mi
Latitude, longitude43.0403, -92.4865

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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