Postal Codes

50540 ZIP Code

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ZIP code 50540 covers Fonda, Iowa, with a population of about 1,253 and a median household income of $86,818.

Population
1,25312 per square mile
Median age
34.34.4 points below the US average
Median household income
$86,8181.2× the Iowa median
Poverty rate
5.1%7.3 points below the US average
Typical home value
$113,470
Degree or higher
19.9%15.1 points below the US average
Homeownership
75.2%10.2 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
18

Where 50540 is

Fonda, 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

Population1,253
Median age34.3
Family households73.1%
Born outside the US7.7%
Speaks a language other than English at home13.2%
White (non-Hispanic)77.6%
Black (non-Hispanic)0.8%
Asian (non-Hispanic)0%
Hispanic or Latino14.9%
Veterans8.1%
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$86,818
Income per person$31,527
Poverty rate5.1%
Households on SNAP or cash assistance13.1%

Household income distribution

Under $10k7.9%
$10–15k0.2%
$15–20k0.0%
$20–25k2.1%
$25–30k5.6%
$30–35k2.3%
$35–40k1.4%
$40–45k4.2%
$45–50k2.3%
$50–60k6.1%
$60–75k7.7%
$75–100k22.9%
$100–125k14.7%
$125–150k9.3%
$150–200k9.8%
$200k or more3.3%

Income as declared to the IRS

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

Tax returns filed460
Mean adjusted gross income$79,926
Returns declaring $200,000 or more6.5%
Returns, under $25k21.7%
Returns, $25k–$50k23.9%
Returns, $50k–$75k17.4%
Returns, $75k–$100k10.9%
Returns, $100k–$200k19.6%
Returns, $200k or more6.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$98,500
Rent as a share of household income19.8%
Owner-occupied75.2%
Vacant homes12.1%
Median year built1948

What the homes are

Detached house84.6%
Attached house3.1%
2 to 4 units9.9%
5 to 19 units1%
Mobile home1.4%
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$113,470as of 2026-07
Typical home value, 1 yeardown 2.4%
Typical home value since 2000
202220242026$116,288$101,386

$107,881 in 2022 to $113,470 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.2%
Bachelor's degree or higher19.9%
High school diploma or higher91.2%
Works from home9.4%
Drives to work alone75.7%
Takes public transport0%
Commutes 45 minutes or more12.3%
Health

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

Obesity36.3% 2.9 pts above the national average of 33.4%
Diagnosed diabetes12.2% same as the national average of 12%
Currently smokes14.9% 1.7 pts above the national average of 13.2%
High blood pressure36.1% 2 pts above the national average of 34.1%
Fair or poor general health18.4% 1.9 pts below the national average of 20.3%
No health insurance (18–64)8.3% 3 pts below the national average of 11.3%
Depression19.1% 2.8 pts below the national average of 21.9%
No leisure-time physical activity26.4% 1 pts above the national average of 25.4%
Arthritis28.8% 3.7 pts above the national average of 25.1%
Binge drinking19.5% 3.5 pts above the national average of 16%
Taking blood pressure medication80% 5.3 pts above the national average of 74.7%
Cancer (non-skin)9.8% 2.1 pts above the national average of 7.7%
Current asthma9.7% 0.7 pts below the national average of 10.4%
Coronary heart disease7.3% 1.1 pts above the national average of 6.2%
Routine check-up in past year78.5% 1.8 pts above the national average of 76.7%
Cholesterol screening85.9% same as the national average of 85.9%
Cognitive disability13.1% 1.7 pts below the national average of 14.8%
Colorectal screening71.9% 7.6 pts above the national average of 64.3%
COPD7.4% 0.8 pts above the national average of 6.6%
Visited a dentist68.2% 6.9 pts above the national average of 61.3%
Any disability28.9% 1.8 pts below the national average of 30.7%
Lacks emotional support23.8% 1 pts below the national average of 24.8%
Food insecurity11.4% 5.7 pts below the national average of 17.1%
Received food stamps8.9% 5.4 pts below the national average of 14.3%
Hearing disability8.2% 1.5 pts above the national average of 6.7%
High cholesterol37.5% 1.3 pts above the national average of 36.2%
Housing insecurity9.1% 4.7 pts below the national average of 13.8%
Independent living disability7.3% 1.1 pts below the national average of 8.4%
Lacks transport6.3% 2.9 pts below the national average of 9.2%
Loneliness31.7% 2.7 pts below the national average of 34.4%
Mammography use78.6% 2.7 pts above the national average of 75.9%
Poor mental health (14+ days)15.5% 1.3 pts below the national average of 16.8%
Mobility disability13.7% same as the national average of 14%
Poor physical health (14+ days)13.3% same as the national average of 13.5%
Self-care disability3.5% 0.5 pts below the national average of 4%
Utility shut-off threat5.9% 2.9 pts below the national average of 8.8%
Sleeps under 7 hours32.4% 4 pts below the national average of 36.4%
Stroke3.6% same as the national average of 3.4%
All natural teeth lost10.3% 2.7 pts below the national average of 13%
Vision disability4.4% 1.2 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments18
People employed193
Annual payroll$11,816,000
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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 93.6% of US census tracts
FEMA ratingRelatively High
Expected annual loss94.7 out of 100
Community resilience64.3 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.

Drought99.7Very High at its worst in this ZIP code
Hail96.7Very High at its worst in this ZIP code
Strong wind94.9Very High at its worst in this ZIP code
Winter weather94.6Very High at its worst in this ZIP code
Cold wave93.9Relatively High at its worst in this ZIP code
Tornado93.3Very High at its worst in this ZIP code
Ice storm77.7Relatively High at its worst in this ZIP code
Lightning73.1Relatively Moderate at its worst in this ZIP code
Landslide70.8Very Low at its worst in this ZIP code
River flooding64.2Relatively Moderate at its worst in this ZIP code
Wildfire62.6Very Low at its worst in this ZIP code
Hurricane29.6Very Low at its worst in this ZIP code
Earthquake14.8Very Low at its worst in this ZIP code
Heat wave14.1Relatively 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$86,818$73,147$78,538
Income per person$31,527$39,728$43,289
Poverty rate5.1%11%12.4%
Median home value$98,500$195,900$303,400
Median gross rent$949$1,348
Homeownership75.2%71.5%65%
Bachelor's degree or higher19.9%30.9%35%
Unemployment rate2.2%3.6%5.2%
Works from home9.4%10.4%13.5%
Born outside the US7.7%5.7%13.9%
Median age34.338.638.7
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 stationPOCAHONTAS, IA US19.5 km away
Rain in a year33 in
Snow in a year39 in

Average high and low by month

January25.6°F / 7.5°F1.02 in rain, 9.3 in snow
February30.1°F / 11.7°F1.02 in rain, 7.4 in snow
March43.6°F / 24°F2.04 in rain, 5.8 in snow
April58.8°F / 35.5°F3.41 in rain, 1.9 in snow
May70.9°F / 48.5°F4.57 in rain
June81.4°F / 59.3°F4.67 in rain
July84.4°F / 62.3°F4.02 in rain
August81.8°F / 59.5°F4.34 in rain
September76.1°F / 50.4°F2.6 in rain
October62.3°F / 37.5°F2.28 in rain, 0.4 in snow
November45°F / 24.7°F1.6 in rain, 3.7 in snow
December31.2°F / 13.6°F1.22 in rain, 10.3 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 3 school districts, so the address decides which one, not the ZIP code.

Newell-Fonda Community School District80.4% of this ZIP code's land area
Pocahontas Area Community School District12% of this ZIP code's land area
South Central Calhoun Community School District7.7% 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 vulnerability44more vulnerable than 44% of US census tracts
Socioeconomic status23more vulnerable than 23% of US census tracts
Household characteristics73more vulnerable than 73% of US census tracts
Racial and ethnic minority status19more vulnerable than 19% of US census tracts
Housing type and transport66more vulnerable than 66% 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.

50593 Varina, IA8.3 km away
50575 Pomeroy, IA13.4 km away
50568 Newell, IA13.5 km away
50551 Jolley, IA14.4 km away
50574 Pocahontas, IA18.8 km away
50561 Lytton, IA20.4 km away
50510 Albert City, IA23 km away
50583 Sac City, IA23.4 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.

Pocahontas County72.4% of this ZIP code's land area
Calhoun County25% of this ZIP code's land area
Sac County2.6% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area107.14 sq mi
Water area0.38 sq mi
Population density12 people per sq mi
Latitude, longitude42.6051, -94.8297

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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