Postal Codes

50668 ZIP Code

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ZIP code 50668 covers Readlyn, Iowa, with a population of about 1,231 and a median household income of $84,464.

Population
1,23136 per square mile
Median age
37.71 points below the US average
Median household income
$84,4641.2× the Iowa median
Poverty rate
8.1%4.3 points below the US average
Typical home value
$226,556up 27.4% in five years
Median rent
$63333% below the Iowa median
Degree or higher
19.2%15.8 points below the US average
Homeownership
86.5%21.5 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
25

Where 50668 is

Readlyn, 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

Population1,231
Median age37.7
Family households64.2%
Born outside the US0.3%
Speaks a language other than English at home2.2%
White (non-Hispanic)94.7%
Black (non-Hispanic)0%
Asian (non-Hispanic)0.1%
Hispanic or Latino2.4%
Veterans6.6%
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$84,464
Income per person$40,483
Poverty rate8.1%
Households on SNAP or cash assistance6%

Household income distribution

Under $10k1.2%
$10–15k2.0%
$15–20k3.2%
$20–25k2.4%
$25–30k1.2%
$30–35k0.6%
$35–40k4.6%
$40–45k6.6%
$45–50k4.4%
$50–60k2.8%
$60–75k10.9%
$75–100k17.3%
$100–125k14.7%
$125–150k11.7%
$150–200k12.1%
$200k or more4.4%

Income as declared to the IRS

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

Tax returns filed580
Mean adjusted gross income$80,145
Returns declaring $200,000 or more5.2%
Returns, under $25k19.0%
Returns, $25k–$50k19.0%
Returns, $50k–$75k19.0%
Returns, $75k–$100k13.8%
Returns, $100k–$200k24.1%
Returns, $200k or more5.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$171,000
Median gross rent$633
Rent as a share of household income17.9%
Owner-occupied86.5%
Vacant homes1.6%
Median year built1942

What the homes are

Detached house89.8%
Attached house2.9%
2 to 4 units7.2%
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$226,556as of 2026-07
Typical home value, 1 yearup 1.6%
Typical home value, 5 yearsup 27.4%
Typical home value since 2000
201920222026$226,556$156,074

$156,074 in 2019 to $226,556 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0.6%
Bachelor's degree or higher19.2%
High school diploma or higher96.9%
Works from home11.8%
Drives to work alone73.7%
Takes public transport0%
Commutes 45 minutes or more8.3%
Health

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

Obesity38.4% 5 pts above the national average of 33.4%
Diagnosed diabetes10.2% 1.8 pts below the national average of 12%
Currently smokes14.6% 1.4 pts above the national average of 13.2%
High blood pressure34.3% same as the national average of 34.1%
Fair or poor general health16.1% 4.2 pts below the national average of 20.3%
No health insurance (18–64)6.2% 5.1 pts below the national average of 11.3%
Depression19.6% 2.3 pts below the national average of 21.9%
No leisure-time physical activity23.3% 2.1 pts below the national average of 25.4%
Arthritis27.3% 2.2 pts above the national average of 25.1%
Binge drinking21.8% 5.8 pts above the national average of 16%
Taking blood pressure medication78.5% 3.8 pts above the national average of 74.7%
Cancer (non-skin)9.5% 1.8 pts above the national average of 7.7%
Current asthma9.7% 0.7 pts below the national average of 10.4%
Coronary heart disease6.6% same as the national average of 6.2%
Routine check-up in past year77.4% 0.7 pts above the national average of 76.7%
Cholesterol screening85.3% 0.6 pts below the national average of 85.9%
Cognitive disability12.7% 2.1 pts below the national average of 14.8%
Colorectal screening70.3% 6 pts above the national average of 64.3%
COPD6.6% same as the national average of 6.6%
Visited a dentist69.7% 8.4 pts above the national average of 61.3%
Any disability26.2% 4.5 pts below the national average of 30.7%
Lacks emotional support22.9% 1.9 pts below the national average of 24.8%
Food insecurity9.1% 8 pts below the national average of 17.1%
Received food stamps7.1% 7.2 pts below the national average of 14.3%
Hearing disability7.6% 0.9 pts above the national average of 6.7%
High cholesterol34.6% 1.6 pts below the national average of 36.2%
Housing insecurity7.6% 6.2 pts below the national average of 13.8%
Independent living disability6.7% 1.7 pts below the national average of 8.4%
Lacks transport5.5% 3.7 pts below the national average of 9.2%
Loneliness30.5% 3.9 pts below the national average of 34.4%
Mammography use79.9% 4 pts above the national average of 75.9%
Poor mental health (14+ days)15.8% 1 pts below the national average of 16.8%
Mobility disability11.8% 2.2 pts below the national average of 14%
Poor physical health (14+ days)12.2% 1.3 pts below the national average of 13.5%
Self-care disability3% 1 pts below the national average of 4%
Utility shut-off threat5.1% 3.7 pts below the national average of 8.8%
Sleeps under 7 hours33.4% 3 pts below the national average of 36.4%
Stroke3.2% same as the national average of 3.4%
All natural teeth lost6.5% 6.5 pts below the national average of 13%
Vision disability3.7% 1.9 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments25
People employed153
Annual payroll$5,998,000
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 33% of US census tracts
FEMA ratingRelatively Low
Expected annual loss65.6 out of 100
Community resilience96.7 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.

Drought97.9Relatively High at its worst in this ZIP code
Hail87.7Relatively Moderate at its worst in this ZIP code
Strong wind81.4Relatively Moderate at its worst in this ZIP code
Winter weather69.4Relatively Moderate at its worst in this ZIP code
Cold wave63.3Relatively Moderate at its worst in this ZIP code
Wildfire61.4Very Low at its worst in this ZIP code
Tornado58Relatively Moderate at its worst in this ZIP code
Landslide49Very Low at its worst in this ZIP code
River flooding27.4Relatively Low at its worst in this ZIP code
Hurricane25Very Low at its worst in this ZIP code
Ice storm18.2Very Low at its worst in this ZIP code
Lightning13.7Very Low at its worst in this ZIP code
Earthquake7.8Very Low at its worst in this ZIP code
Heat wave4.9Very 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$84,464$73,147$78,538
Income per person$40,483$39,728$43,289
Poverty rate8.1%11%12.4%
Median home value$171,000$195,900$303,400
Median gross rent$633$949$1,348
Homeownership86.5%71.5%65%
Bachelor's degree or higher19.2%30.9%35%
Unemployment rate0.6%3.6%5.2%
Works from home11.8%10.4%13.5%
Born outside the US0.3%5.7%13.9%
Median age37.738.638.7
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 stationTRIPOLI, IA US13.7 km away
Rain in a year39 in

Average high and low by month

January24.8°F / 7.3°F1.23 in rain
February29.2°F / 11.5°F1.09 in rain
March42.8°F / 24°F2 in rain
April57.6°F / 35.6°F3.93 in rain
May70°F / 47.9°F5.11 in rain
June79.6°F / 58.6°F6.03 in rain
July82.8°F / 61.6°F4.8 in rain
August80.9°F / 59°F4.29 in rain
September74.5°F / 50.3°F3.75 in rain
October61°F / 38.2°F2.96 in rain
November44.3°F / 25.6°F1.98 in rain
December30.9°F / 14.6°F1.47 in rain
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.

Wapsie Valley Community School District94.2% of this ZIP code's land area
Denver Community School District5.1% 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 vulnerability2more vulnerable than 2% of US census tracts
Socioeconomic status5more vulnerable than 5% of US census tracts
Household characteristics35more vulnerable than 35% of US census tracts
Racial and ethnic minority status2more vulnerable than 2% of US census tracts
Housing type and transport2more vulnerable than 2% of US census tracts
Walkability6.6 out of 20Below average
Nearby ZIP codes

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

50622 Denver, IA10.6 km away
50664 Oran, IA11.4 km away
50626 Dunkerton, IA13.6 km away
50676 Tripoli, IA13.7 km away
50629 Fairbank, IA17.2 km away
50677 Waverly, IA17.9 km away
50674 Sumner, IA18.4 km away
50623 Dewar, IA18.6 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.

Bremer County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area33.75 sq mi
Water area0.09 sq mi
Population density36 people per sq mi
Latitude, longitude42.6929, -92.2154

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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