Postal Codes

50845 ZIP Code

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ZIP code 50845 covers Diagonal, Iowa, with a population of about 820 and a median household income of $70,781.

Population
8207 per square mile
Median age
40.61.9 points above the US average
Median household income
$70,781about the Iowa median
Poverty rate
13.7%1.3 points above the US average
Median home value
$104,30047% below the Iowa median
Median rent
$83812% below the Iowa median
Degree or higher
18.6%16.4 points below the US average
Homeownership
89.9%24.9 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
12

Where 50845 is

Diagonal, 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

Population820
Median age40.6
Family households70.8%
Born outside the US0%
Speaks a language other than English at home3.2%
White (non-Hispanic)90%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino1.8%
Veterans5.7%
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$70,781
Income per person$25,080
Poverty rate13.7%
Households on SNAP or cash assistance8.7%

Household income distribution

Under $10k1.1%
$10–15k2.9%
$15–20k2.9%
$20–25k3.6%
$25–30k5.1%
$30–35k2.2%
$35–40k2.9%
$40–45k5.4%
$45–50k5.8%
$50–60k13.0%
$60–75k9.7%
$75–100k24.2%
$100–125k4.0%
$125–150k10.8%
$150–200k5.4%
$200k or more1.1%

Income as declared to the IRS

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

Tax returns filed300
Mean adjusted gross income$61,427
Returns declaring $200,000 or more0%
Returns, under $25k26.7%
Returns, $25k–$50k23.3%
Returns, $50k–$75k16.7%
Returns, $75k–$100k13.3%
Returns, $100k–$200k20.0%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$104,300
Median gross rent$838
Owner-occupied89.9%
Vacant homes11.8%
Median year built1949

What the homes are

Detached house86.6%
2 to 4 units1.3%
5 to 19 units1.3%
Mobile home10.2%
Boat, RV or van0.6%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.4%
Bachelor's degree or higher18.6%
High school diploma or higher90%
Works from home25.3%
Drives to work alone68.7%
Takes public transport0%
Commutes 45 minutes or more2.6%
Health

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

Obesity40.2% 6.8 pts above the national average of 33.4%
Diagnosed diabetes11.8% same as the national average of 12%
Currently smokes13% same as the national average of 13.2%
High blood pressure38.2% 4.1 pts above the national average of 34.1%
Fair or poor general health16.8% 3.5 pts below the national average of 20.3%
No health insurance (18–64)5.7% 5.6 pts below the national average of 11.3%
Depression19.6% 2.3 pts below the national average of 21.9%
No leisure-time physical activity24.4% 1 pts below the national average of 25.4%
Arthritis30.7% 5.6 pts above the national average of 25.1%
Binge drinking19.2% 3.2 pts above the national average of 16%
Taking blood pressure medication81.9% 7.2 pts above the national average of 74.7%
Cancer (non-skin)11.5% 3.8 pts above the national average of 7.7%
Current asthma9.6% 0.8 pts below the national average of 10.4%
Coronary heart disease8% 1.8 pts above the national average of 6.2%
Routine check-up in past year80.1% 3.4 pts above the national average of 76.7%
Cholesterol screening87.1% 1.2 pts above the national average of 85.9%
Cognitive disability12.2% 2.6 pts below the national average of 14.8%
Colorectal screening72.6% 8.3 pts above the national average of 64.3%
COPD7.3% 0.7 pts above the national average of 6.6%
Visited a dentist71.4% 10.1 pts above the national average of 61.3%
Any disability29.5% 1.2 pts below the national average of 30.7%
Lacks emotional support22.1% 2.7 pts below the national average of 24.8%
Food insecurity8.7% 8.4 pts below the national average of 17.1%
Received food stamps6.8% 7.5 pts below the national average of 14.3%
Hearing disability9.3% 2.6 pts above the national average of 6.7%
High cholesterol38.1% 1.9 pts above the national average of 36.2%
Housing insecurity6.7% 7.1 pts below the national average of 13.8%
Independent living disability7.1% 1.3 pts below the national average of 8.4%
Lacks transport5.2% 4 pts below the national average of 9.2%
Loneliness31.3% 3.1 pts below the national average of 34.4%
Mammography use76.9% 1 pts above the national average of 75.9%
Poor mental health (14+ days)14.6% 2.2 pts below the national average of 16.8%
Mobility disability14% same as the national average of 14%
Poor physical health (14+ days)12.8% 0.7 pts below the national average of 13.5%
Self-care disability3.3% 0.7 pts below the national average of 4%
Utility shut-off threat4.6% 4.2 pts below the national average of 8.8%
Sleeps under 7 hours30.8% 5.6 pts below the national average of 36.4%
Stroke3.8% same as the national average of 3.4%
All natural teeth lost10% 3 pts below the national average of 13%
Vision disability4% 1.6 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments12
People employed40
Annual payroll$1,029,000
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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 92.2% of US census tracts
FEMA ratingRelatively High
Expected annual loss94.4 out of 100
Community resilience39.6 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.

Drought99.7Relatively High at its worst in this ZIP code
Strong wind98Very High at its worst in this ZIP code
Hail97.4Relatively High at its worst in this ZIP code
Heat wave95.5Relatively High at its worst in this ZIP code
Cold wave94.5Very High at its worst in this ZIP code
Landslide94.5Relatively Low at its worst in this ZIP code
Tornado86.5Relatively High at its worst in this ZIP code
Wildfire84.4Relatively Low at its worst in this ZIP code
Winter weather72.7Relatively High at its worst in this ZIP code
Ice storm61Relatively Moderate at its worst in this ZIP code
River flooding50.6Relatively Moderate at its worst in this ZIP code
Lightning42.4Relatively Moderate at its worst in this ZIP code
Hurricane32.1Very Low at its worst in this ZIP code
Earthquake13.4Very 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$70,781$73,147$78,538
Income per person$25,080$39,728$43,289
Poverty rate13.7%11%12.4%
Median home value$104,300$195,900$303,400
Median gross rent$838$949$1,348
Homeownership89.9%71.5%65%
Bachelor's degree or higher18.6%30.9%35%
Unemployment rate3.4%3.6%5.2%
Works from home25.3%10.4%13.5%
Born outside the US0%5.7%13.9%
Median age40.638.638.7
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 stationMT AYR, IA US16.1 km away
Rain in a year37 in
Snow in a year20 in

Average high and low by month

January31.9°F / 11.7°F0.73 in rain, 5.8 in snow
February36.8°F / 16.1°F1.25 in rain, 5.9 in snow
March49.4°F / 27.5°F2.16 in rain, 2.6 in snow
April61.4°F / 38°F3.37 in rain, 0.7 in snow
May70.8°F / 49.7°F5.35 in rain
June80.3°F / 59.6°F5.39 in rain
July84.6°F / 63.9°F4.4 in rain
August83.3°F / 61.8°F3.98 in rain
September76.4°F / 52.7°F3.71 in rain
October64.1°F / 40.2°F2.88 in rain, 0.3 in snow
November49°F / 27.9°F2.11 in rain, 1.2 in snow
December36.8°F / 17.7°F1.63 in rain, 4 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 5 school districts, so the address decides which one, not the ZIP code.

Diagonal Community School District71% of this ZIP code's land area
Mount Ayr Community School District19.6% of this ZIP code's land area
Creston Community School District5.2% of this ZIP code's land area
East Union Community School District3.2% of this ZIP code's land area
Lenox Community School District1% 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 status20more vulnerable than 20% of US census tracts
Household characteristics49more vulnerable than 49% of US census tracts
Racial and ethnic minority status9more vulnerable than 9% of US census tracts
Housing type and transport53more vulnerable than 53% of US census tracts
Walkability4.3 out of 20Least walkable
Nearby ZIP codes

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

50861 Shannon City, IA11.7 km away
50840 Clearfield, IA12.2 km away
50835 Benton, IA12.8 km away
50863 Tingley, IA14.2 km away
50854 Mount Ayr, IA15.9 km away
50831 Arispe, IA16.6 km away
50851 Lenox, IA18.6 km away
50074 Ellston, IA23 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.

Ringgold County91.6% of this ZIP code's land area
Union County8.4% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area111.86 sq mi
Water area0.51 sq mi
Population density7 people per sq mi
Latitude, longitude40.8226, -94.3552

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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