Postal Codes

50538 ZIP Code

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ZIP code 50538 covers Farnhamville, Iowa, with a population of about 523 and a median household income of $59,250.

Population
52315 per square mile
Median age
41.93.2 points above the US average
Median household income
$59,25019% below the Iowa median
Poverty rate
15%2.6 points above the US average
Typical home value
$127,656up 32.3% in five years
Median rent
$75421% below the Iowa median
Degree or higher
8.9%26.1 points below the US average
Homeownership
80.3%15.3 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
14

Where 50538 is

Farnhamville, 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

Population523
Median age41.9
Family households63.9%
Born outside the US0%
Speaks a language other than English at home0.2%
White (non-Hispanic)90.8%
Black (non-Hispanic)5.2%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans10.5%
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$59,250
Income per person$31,194
Poverty rate15%
Households on SNAP or cash assistance15%

Household income distribution

Under $10k6.9%
$10–15k4.7%
$15–20k7.7%
$20–25k3.0%
$25–30k1.7%
$30–35k6.4%
$35–40k3.4%
$40–45k4.3%
$45–50k3.4%
$50–60k9.0%
$60–75k10.3%
$75–100k15.9%
$100–125k7.7%
$125–150k6.0%
$150–200k7.7%
$200k or more1.7%

Income as declared to the IRS

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

Tax returns filed250
Mean adjusted gross income$60,124
Returns declaring $200,000 or more0%
Returns, under $25k28.0%
Returns, $25k–$50k24.0%
Returns, $50k–$75k20.0%
Returns, $75k–$100k12.0%
Returns, $100k–$200k16.0%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$70,900
Median gross rent$754
Owner-occupied80.3%
Vacant homes5.7%
Median year built1949

What the homes are

Detached house90.7%
Attached house1.2%
2 to 4 units1.2%
5 to 19 units5.3%
20 or more units0.4%
Mobile home1.2%
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$127,656as of 2026-07
Typical home value, 1 yearup 5.5%
Typical home value, 5 yearsup 32.3%
Typical home value since 2000
201820222026$127,656$79,677

$79,677 in 2018 to $127,656 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0.4%
Bachelor's degree or higher8.9%
High school diploma or higher96.4%
Works from home4.5%
Drives to work alone73.1%
Takes public transport0%
Commutes 45 minutes or more17.3%
Health

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

Obesity41.3% 7.9 pts above the national average of 33.4%
Diagnosed diabetes13.1% 1.1 pts above the national average of 12%
Currently smokes17.7% 4.5 pts above the national average of 13.2%
High blood pressure38.2% 4.1 pts above the national average of 34.1%
Fair or poor general health20.2% same as the national average of 20.3%
No health insurance (18–64)7.2% 4.1 pts below the national average of 11.3%
Depression20.5% 1.4 pts below the national average of 21.9%
No leisure-time physical activity28.1% 2.7 pts above the national average of 25.4%
Arthritis31.1% 6 pts above the national average of 25.1%
Binge drinking19% 3 pts above the national average of 16%
Taking blood pressure medication80.2% 5.5 pts above the national average of 74.7%
Cancer (non-skin)10% 2.3 pts above the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease8.3% 2.1 pts above the national average of 6.2%
Routine check-up in past year78.4% 1.7 pts above the national average of 76.7%
Cholesterol screening85.3% 0.6 pts below the national average of 85.9%
Cognitive disability14.4% same as the national average of 14.8%
Colorectal screening68.1% 3.8 pts above the national average of 64.3%
COPD8.7% 2.1 pts above the national average of 6.6%
Visited a dentist65.4% 4.1 pts above the national average of 61.3%
Any disability31.4% 0.7 pts above the national average of 30.7%
Lacks emotional support24.1% 0.7 pts below the national average of 24.8%
Food insecurity12.6% 4.5 pts below the national average of 17.1%
Received food stamps11% 3.3 pts below the national average of 14.3%
Hearing disability9.2% 2.5 pts above the national average of 6.7%
High cholesterol38.3% 2.1 pts above the national average of 36.2%
Housing insecurity9.6% 4.2 pts below the national average of 13.8%
Independent living disability8.4% same as the national average of 8.4%
Lacks transport7% 2.2 pts below the national average of 9.2%
Loneliness31.1% 3.3 pts below the national average of 34.4%
Mammography use78.7% 2.8 pts above the national average of 75.9%
Poor mental health (14+ days)16.7% same as the national average of 16.8%
Mobility disability15.4% 1.4 pts above the national average of 14%
Poor physical health (14+ days)14.5% 1 pts above the national average of 13.5%
Self-care disability4.1% same as the national average of 4%
Utility shut-off threat6.8% 2 pts below the national average of 8.8%
Sleeps under 7 hours32.4% 4 pts below the national average of 36.4%
Stroke4.1% 0.7 pts above the national average of 3.4%
All natural teeth lost15.9% 2.9 pts above the national average of 13%
Vision disability4.9% 0.7 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments14
People employed64
Annual payroll$3,293,000
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 91.1% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 2 census tracts this ZIP code covers
Expected annual loss91 out of 100
Community resilience80.9 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.

Drought99.6Relatively High at its worst in this ZIP code
Hail99.5Very High at its worst in this ZIP code
Tornado97.8Very High at its worst in this ZIP code
Strong wind97.7Very High at its worst in this ZIP code
Winter weather93.2Relatively High at its worst in this ZIP code
Cold wave90.7Relatively High at its worst in this ZIP code
Ice storm77.3Relatively Moderate at its worst in this ZIP code
Landslide68Very Low at its worst in this ZIP code
Lightning59.5Relatively Moderate at its worst in this ZIP code
Wildfire57.8Very Low at its worst in this ZIP code
River flooding41.3Relatively Low at its worst in this ZIP code
Hurricane35.2Very Low at its worst in this ZIP code
Earthquake14.9Very Low at its worst in this ZIP code
Heat wave14.9Very 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$59,250$73,147$78,538
Income per person$31,194$39,728$43,289
Poverty rate15%11%12.4%
Median home value$70,900$195,900$303,400
Median gross rent$754$949$1,348
Homeownership80.3%71.5%65%
Bachelor's degree or higher8.9%30.9%35%
Unemployment rate0.4%3.6%5.2%
Works from home4.5%10.4%13.5%
Born outside the US0%5.7%13.9%
Median age41.938.638.7
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 stationROCKWELL CITY, IA US22.1 km away
Rain in a year34 in
Snow in a year32 in

Average high and low by month

January26.5°F / 8.4°F0.76 in rain, 7.4 in snow
February31.4°F / 12.3°F0.99 in rain, 7.6 in snow
March45.1°F / 24.4°F1.99 in rain, 4.9 in snow
April59.2°F / 35.6°F3.76 in rain, 1.9 in snow
May70°F / 48.7°F5.02 in rain
June79.6°F / 59.5°F5.04 in rain
July82.9°F / 62.9°F3.54 in rain
August80.7°F / 60.5°F4.53 in rain
September75°F / 51.1°F2.95 in rain
October62.2°F / 38.4°F2.35 in rain, 0.6 in snow
November45.8°F / 25.4°F1.48 in rain, 2.4 in snow
December32°F / 14.8°F1.34 in rain, 7.3 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 2 school districts, so the address decides which one, not the ZIP code.

Southeast Valley Community School District88.4% of this ZIP code's land area
South Central Calhoun Community School District11.6% 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 vulnerability31more vulnerable than 31% of US census tracts
Socioeconomic status20more vulnerable than 20% of US census tracts
Household characteristics21more vulnerable than 21% of US census tracts
Racial and ethnic minority status21more vulnerable than 21% of US census tracts
Housing type and transport72more vulnerable than 72% of US census tracts
Walkability4.7 out of 20Least walkable
Nearby ZIP codes

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

50586 Somers, IA9.9 km away
50543 Gowrie, IA10.2 km away
51453 Lohrville, IA11.1 km away
50050 Churdan, IA13.3 km away
50523 Callender, IA14.6 km away
50217 Paton, IA16.9 km away
50544 Harcourt, IA18.7 km away
50566 Moorland, IA20.2 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.

Calhoun County93% of this ZIP code's land area
Webster County7% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area35.53 sq mi
Water area0.01 sq mi
Population density15 people per sq mi
Latitude, longitude42.2692, -94.4226

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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