Residential delivery area · Iowa
ZIP Code 51237: George, IA
ZIP code 51237 uses the postal name George, Iowa and lies entirely in Lyon County (Census 2020 ZIP-county file). About 1,600 people live there (Census Bureau, ACS 2020-2024). Median household income is $61,667 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in George; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2024
- ZBP2023
- IRS2022
- Town
- George · its only residential ZIP
- County
- Lyon County
- Census places
- George
- House district
- IA-4 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 97.1 sq mi · 17 people per sq mi
Where is ZIP code 51237?
51237 centers on 43.336°, -96.001° and covers 97.1 square miles of land plus 0.0 of water. It borders 7 ZIP codes: 51243, 51232, 51234, 51246, 51235, 51239, 51201.
The map draws ZIP code areas only. For the streets inside 51237, 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 51237 compare with the rest of Lyon County?
| Measure | 51237 | In Lyon County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 1,605 | 7th of 12 | 331st of 970 |
| Median household income | $62k | 7th of 7 | 346th of 396 |
| Median home value | $160k | 8th of 8 | 296th of 423 |
Its median household income is higher than in 32% of U.S. residential ZIP codes, and it is denser than 23% 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 51237?
The 2020 Census counted 1,654 people in 51237; the ACS, which samples households over 2020-2024, estimates 1,605. Between the 2010 and 2020 censuses its population fell 2.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,605±184 (90% margin)
- 2020 Census count
- 1,654−2.9% since 2010 (1,703)
- Households
- 690
- Median age
- 46.9
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 51237?
Of the 1,605 people the ACS estimates in 51237, 19.6% are under 18 and 26.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (95.1%).
- Under 1819.6%
- 18 to 6453.6%
- 65 and older26.8%
- White, not Hispanic95.1%
- Hispanic or Latino2.2%
- Other or two or more1.6%
- Black, not Hispanic1.1%
- 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 51237 earn?
Median household income is $61,667 (ACS 2020-2024), the 7th highest of the 7 ranked ZIP codes in Lyon County. It is not measurably different from 2015-2019 ($69,576 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $61,667±$9,874
- Income per person
- $34,014
- Below the poverty line
- 6.9%
- Unemployed (of the labor force)
- 1.6%
- Adults 25+ with a bachelor's degree
- 20.6%
- Adjusted gross income per tax return, 2022
- $71,400780 returns; wages 58% 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 51237?
- Median home value (owners' estimate)
- $159,500
- Median gross rent
- $822
- Homes owned by their occupants
- 80.4%
- Housing units
- 722
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 51237?
42 business establishments had a location in this ZIP code in 2023, 2 fewer than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)7
- Construction5
- Retail trade5
- Finance and insurance5
- Manufacturing4
- Transportation and warehousing4
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 51237?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 51243 | Little Rock | 735 | $84k | 8.9 mi |
| 51232 | Ashton | 658 | $83k | 10.0 mi |
| 51234 | Boyden | 1,172 | $84k | 10.0 mi |
| 51246 | Rock Rapids | 4,041 | $72k | 10.4 mi |
| 51235 | Doon | 1,007 | $71k | 11.2 mi |
| 51239 | Hull | 2,876 | $78k | 11.7 mi |
| 51201 | Sheldon | 6,430 | $69k | 12.6 mi |
| 51244 | Matlock | 144 | $83k | 7.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.