Postal Codes

50128 ZIP Code

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ZIP code 50128 covers Jamaica, Iowa, with a population of about 331 and a median household income of $50,179.

Population
33112 per square mile
Median age
62.623.9 points above the US average
Median household income
$50,17931% below the Iowa median
Poverty rate
24.3%11.9 points above the US average
Typical home value
$173,936
Median rent
$53644% below the Iowa median
Degree or higher
22.2%12.8 points below the US average
Homeownership
82.5%17.5 points above the US average
Time zone
Central UTC-06:00observes daylight saving time

Where 50128 is

Jamaica, 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

Population331
Median age62.6
Family households52.5%
Born outside the US0%
Speaks a language other than English at home1%
White (non-Hispanic)100%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans14.1%
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$50,179
Income per person$34,945
Poverty rate24.3%
Households on SNAP or cash assistance16.4%

Household income distribution

Under $10k2.7%
$10–15k10.4%
$15–20k0.0%
$20–25k4.9%
$25–30k5.5%
$30–35k1.1%
$35–40k2.2%
$40–45k4.4%
$45–50k18.6%
$50–60k7.7%
$60–75k6.6%
$75–100k10.9%
$100–125k13.1%
$125–150k9.8%
$150–200k2.2%
$200k or more0.0%

Income as declared to the IRS

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

Tax returns filed140
Mean adjusted gross income$89,400
Returns declaring $200,000 or more0%
Returns, under $25k21.4%
Returns, $25k–$50k21.4%
Returns, $50k–$75k28.6%
Returns, $75k–$100k0.0%
Returns, $100k–$200k28.6%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$106,300
Median gross rent$536
Owner-occupied82.5%
Vacant homes2.7%
Median year built1938

What the homes are

Detached house88.8%
2 to 4 units1.1%
5 to 19 units8%
Mobile home2.1%
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$173,936as of 2026-07
Typical home value, 1 yearup 3.6%
Typical home value since 2000
202220242026$173,936$164,266

$166,670 in 2022 to $173,936 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.2%
Bachelor's degree or higher22.2%
High school diploma or higher93.7%
Works from home1.1%
Drives to work alone81.1%
Takes public transport0%
Commutes 45 minutes or more24.7%
Health

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

Obesity37.9% 4.5 pts above the national average of 33.4%
Diagnosed diabetes13.3% 1.3 pts above the national average of 12%
Currently smokes15% 1.8 pts above the national average of 13.2%
High blood pressure38.8% 4.7 pts above the national average of 34.1%
Fair or poor general health18.2% 2.1 pts below the national average of 20.3%
No health insurance (18–64)6.8% 4.5 pts below the national average of 11.3%
Depression18.5% 3.4 pts below the national average of 21.9%
No leisure-time physical activity26.1% 0.7 pts above the national average of 25.4%
Arthritis30.1% 5 pts above the national average of 25.1%
Binge drinking18.9% 2.9 pts above the national average of 16%
Taking blood pressure medication81% 6.3 pts above the national average of 74.7%
Cancer (non-skin)10.4% 2.7 pts above the national average of 7.7%
Current asthma9.6% 0.8 pts below the national average of 10.4%
Coronary heart disease7.8% 1.6 pts above the national average of 6.2%
Routine check-up in past year78.6% 1.9 pts above the national average of 76.7%
Cholesterol screening87.8% 1.9 pts above the national average of 85.9%
Cognitive disability12.2% 2.6 pts below the national average of 14.8%
Colorectal screening70.6% 6.3 pts above the national average of 64.3%
COPD7.6% 1 pts above the national average of 6.6%
Visited a dentist70.9% 9.6 pts above the national average of 61.3%
Any disability28.5% 2.2 pts below the national average of 30.7%
Lacks emotional support22% 2.8 pts below the national average of 24.8%
Food insecurity10.3% 6.8 pts below the national average of 17.1%
Received food stamps8.3% 6 pts below the national average of 14.3%
Hearing disability8.5% 1.8 pts above the national average of 6.7%
High cholesterol39.6% 3.4 pts above the national average of 36.2%
Housing insecurity8.2% 5.6 pts below the national average of 13.8%
Independent living disability7% 1.4 pts below the national average of 8.4%
Lacks transport5.9% 3.3 pts below the national average of 9.2%
Loneliness28.9% 5.5 pts below the national average of 34.4%
Mammography use79% 3.1 pts above the national average of 75.9%
Poor mental health (14+ days)14.5% 2.3 pts below the national average of 16.8%
Mobility disability14% same as the national average of 14%
Poor physical health (14+ days)13.6% same as the national average of 13.5%
Self-care disability3.7% same as the national average of 4%
Utility shut-off threat5.6% 3.2 pts below the national average of 8.8%
Sleeps under 7 hours31.6% 4.8 pts below the national average of 36.4%
Stroke3.8% same as the national average of 3.4%
All natural teeth lost10.4% 2.6 pts below the national average of 13%
Vision disability4.3% 1.3 pts below the national average of 5.6%
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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 87.1% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 3 census tracts this ZIP code covers
Expected annual loss91 out of 100
Community resilience85.8 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.

Drought99.4Relatively High at its worst in this ZIP code
Tornado94.7Very High at its worst in this ZIP code
Strong wind93.4Very High at its worst in this ZIP code
Hail92.8Relatively High at its worst in this ZIP code
Winter weather88.5Relatively High at its worst in this ZIP code
Landslide87Relatively Moderate at its worst in this ZIP code
Cold wave86.3Very High at its worst in this ZIP code
Ice storm81.4Relatively Moderate at its worst in this ZIP code
Wildfire71.1Relatively Low at its worst in this ZIP code
River flooding63.6Relatively High at its worst in this ZIP code
Lightning49.3Relatively Moderate at its worst in this ZIP code
Heat wave47.4Relatively Moderate at its worst in this ZIP code
Hurricane32.1Very Low at its worst in this ZIP code
Earthquake19.1Very 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$50,179$73,147$78,538
Income per person$34,945$39,728$43,289
Poverty rate24.3%11%12.4%
Median home value$106,300$195,900$303,400
Median gross rent$536$949$1,348
Homeownership82.5%71.5%65%
Bachelor's degree or higher22.2%30.9%35%
Unemployment rate4.2%3.6%5.2%
Works from home1.1%10.4%13.5%
Born outside the US0%5.7%13.9%
Median age62.638.638.7
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 stationPERRY, IA US17.4 km away
Rain in a year36 in

Average high and low by month

January29.5°F / 10.2°F0.95 in rain
February34°F / 14.1°F1.14 in rain
March47.5°F / 25.8°F1.96 in rain
April61.3°F / 36.7°F4.1 in rain
May71.9°F / 49°F5.15 in rain
June81.9°F / 59.8°F4.88 in rain
July85.4°F / 63.5°F4.42 in rain
August83.3°F / 60.8°F4.14 in rain
September77.1°F / 51.5°F3.44 in rain
October64°F / 39.1°F2.7 in rain
November47.8°F / 26.8°F1.86 in rain
December35°F / 16.5°F1.38 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 3 school districts, so the address decides which one, not the ZIP code.

Panorama Community School District82.9% of this ZIP code's land area
Greene County Community School District12.2% of this ZIP code's land area
Perry Community School District4.9% 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 vulnerability33more vulnerable than 33% of US census tracts
Socioeconomic status27more vulnerable than 27% of US census tracts
Household characteristics49more vulnerable than 49% of US census tracts
Racial and ethnic minority status6more vulnerable than 6% of US census tracts
Housing type and transport55more vulnerable than 55% of US census tracts
Walkability6.7 out of 20Below average
Nearby ZIP codes

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

50277 Yale, IA7.8 km away
50066 Dawson, IA8.6 km away
50026 Bagley, IA10.1 km away
50235 Rippey, IA12.9 km away
50216 Panora, IA16.5 km away
50220 Perry, IA18.1 km away
50129 Jefferson, IA19.5 km away
50029 Bayard, IA19.7 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.

Guthrie County48.6% of this ZIP code's land area
Greene County38.9% of this ZIP code's land area
Dallas County12.5% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area28.24 sq mi
Water area0.08 sq mi
Population density12 people per sq mi
Latitude, longitude41.8419, -94.3204

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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