Residential delivery area · Iowa
ZIP Code 50128: Jamaica, IA
ZIP code 50128 uses the postal name Jamaica, Iowa and lies mostly in Guthrie County (49% of its land), reaching into Greene County and Dallas County (Census 2020 ZIP-county file). About 330 people live there (Census Bureau, ACS 2020-2024). Median household income is $61,250 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Jamaica; 99% is outside any Census place.
- ACS2020-24
- Census2020
- IRS2022
- Town
- Jamaica · its only residential ZIP
- County
- Guthrie County (49%); Greene County (39%); Dallas County (12%)
- Census places
- Jamaica
- Metro area
- Des Moines-West Des Moines, IA
- House district
- IA-3 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 28.2 sq mi · 12 people per sq mi
Where is ZIP code 50128?
50128 centers on 41.856°, -94.300° and covers 28.2 square miles of land plus 0.1 of water. It borders 5 ZIP codes: 50066, 50277, 50235, 50026, 50129.
The map draws ZIP code areas only. For the streets inside 50128, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 50128 compare with the rest of Guthrie County?
| Measure | 50128 | In Guthrie County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 330 | 16th of 16 | 779th of 970 |
| Median household income | $61k | not ranked | not ranked |
| Median home value | $123k | not ranked | not ranked |
50128's income and home value are not ranked: it has fewer than 1,000 residents (330). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 18% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 50128?
The 2020 Census counted 316 people in 50128; the ACS, which samples households over 2020-2024, estimates 330. Between the 2010 and 2020 censuses its population fell 12.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 330±108 (90% margin)
- 2020 Census count
- 316−12.2% since 2010 (360)
- Households
- 160
- Median age
- 55.1
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 50128?
Of the 330 people the ACS estimates in 50128, 21.2% are under 18 and 31.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (97.6%).
- Under 1821.2%
- 18 to 6447.0%
- 65 and older31.8%
- White, not Hispanic97.6%
- Hispanic or Latino1.5%
- Other or two or more0.9%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 50128 earn?
Median household income is $61,250 (ACS 2020-2024). It is not measurably different from 2015-2019 ($50,698 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $61,250±$40,635
- Income per person
- $38,940
- Below the poverty line
- 24.7%
- Unemployed (of the labor force)
- 2.6%
- Adults 25+ with a bachelor's degree
- 23.6%
- Adjusted gross income per tax return, 2022
- $89,400140 returns; wages 51% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 50128?
- Median home value (owners' estimate)
- $122,900
- Median gross rent
- $498
- Homes owned by their occupants
- 81.9%
- Housing units
- 167
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
Which ZIP codes are next to 50128?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 50066 | Dawson | 191 | $66k | 5.3 mi |
| 50277 | Yale | 582 | $91k | 5.7 mi |
| 50235 | Rippey | 431 | $90k | 6.5 mi |
| 50026 | Bagley | 481 | $69k | 7.7 mi |
| 50129 | Jefferson | 5,014 | $61k | 11.6 mi |
| 50220 | Perry | 9,216 | $72k | 9.3 mi (near) |
| 50216 | Panora | 2,786 | $80k | 11.3 mi (near) |
| 50146 | Linden | 577 | $109k | 12.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.