Residential delivery area · Iowa
ZIP Code 50436: Forest City, IA
ZIP code 50436 uses the postal name Forest City, Iowa and lies mostly in Winnebago County (58% of its land) with the rest in Hancock County (Census 2020 ZIP-county file). About 5,800 people live there (Census Bureau, ACS 2020-2024). Median household income is $74,940 (Census Bureau, ACS 2020-2024). By Census place, 3% of its land lies in Forest City; 96% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Forest City · its only residential ZIP
- County
- Winnebago County (58%); Hancock County (42%)
- Census places
- Forest City
- House district
- IA-4 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 135.3 sq mi · 43 people per sq mi
Where is ZIP code 50436?
50436 centers on 43.259°, -93.686° and covers 135.3 square miles of land plus 0.6 of water. It borders 12 ZIP codes: 50432, 50453, 50438, 50484, 50478, 50423, 50434, 50446, 50482, 50450 and more.
The map draws ZIP code areas only. For the streets inside 50436, 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 50436 compare with the rest of Winnebago County?
| Measure | 50436 | In Winnebago County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 5,771 | 1st of 10 | 131st of 970 |
| Median household income | $75k | 2nd of 2 | 216th of 396 |
| Median home value | $168k | 1st of 3 | 264th of 423 |
Its median household income is higher than in 55% of U.S. residential ZIP codes, and it is denser than 39% of all 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 50436?
The 2020 Census counted 5,816 people in 50436; the ACS, which samples households over 2020-2024, estimates 5,771. Between the 2010 and 2020 censuses its population fell 0.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 5,771
- 2020 Census count
- 5,816−0.5% since 2010 (5,848)
- Households
- 2,335
- Median age
- 36.9
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 50436?
Of the 5,771 people the ACS estimates in 50436, 23.0% are under 18 and 17.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (88.1%).
- Under 1823.0%
- 18 to 6459.2%
- 65 and older17.8%
- White, not Hispanic88.1%
- Hispanic or Latino4.0%
- Black, not Hispanic3.4%
- Asian, not Hispanic2.8%
- Other or two or more1.8%
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 50436 earn?
Median household income is $74,940 (ACS 2020-2024). It rose from $61,394 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $74,940±$10,585
- Income per person
- $41,737
- Below the poverty line
- 11.2%
- Unemployed (of the labor force)
- 2.0%
- Adults 25+ with a bachelor's degree
- 27.7%
- Adjusted gross income per tax return, 2022
- $75,7442,540 returns; wages 61% 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 50436?
FHFA's house price index for 50436, built from repeat sales and appraisals of the same homes, rose 57% from 2015 to 2025 and rose 35% from 2020 to 2025, and moved −2.7% in 2025.
- Median home value (owners' estimate)
- $167,900
- Median gross rent
- $739
- Homes owned by their occupants
- 70.0%
- Housing units
- 2,516
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 50436?
140 business establishments had a location in this ZIP code in 2023, 1 more than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)20
- Retail trade18
- Construction17
- Health care and social assistance12
- Accommodation and food services12
- Transportation and warehousing11
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 50436?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 50432 | Crystal Lake | 283 | $67k | 6.1 mi |
| 50453 | Leland | 537 | $78k | 7.5 mi |
| 50438 | Garner | 3,995 | $70k | 10.7 mi |
| 50484 | Woden | 411 | $66k | 11.2 mi |
| 50478 | Thompson | 737 | $49k | 11.4 mi |
| 50423 | Britt | 2,291 | $73k | 11.7 mi |
| 50434 | Fertile | 396 | – | 11.9 mi |
| 50446 | Joice | 476 | $107k | 12.9 mi |
| 50482 | Ventura | 748 | $98k | 13.7 mi |
| 50450 | Lake Mills | 2,952 | $76k | 13.9 mi |
| 50424 | Buffalo Center | 1,441 | $59k | 16.3 mi |
| 50428 | Clear Lake | 9,071 | $81k | 17.0 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.