Residential delivery area · Illinois
ZIP Code 61238: Cambridge, IL
ZIP code 61238 uses the postal name Cambridge, Illinois and lies entirely in Henry County (Census 2020 ZIP-county file). About 2,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $64,583 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Cambridge; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2024
- ZBP2023
- IRS2022
- Town
- Cambridge · its only residential ZIP
- County
- Henry County
- Census places
- Cambridge
- Metro area
- Davenport-Moline-Rock Island, IA-IL
- House district
- IL-16 119th Congress
- State
- Illinois
- Time zone
- Central
- Land area
- 101.3 sq mi · 25 people per sq mi
Where is ZIP code 61238?
61238 centers on 41.282°, -90.172° and covers 101.3 square miles of land plus 0.0 of water. It borders 10 ZIP codes: 61233, 61419, 61490, 61274, 61262, 61434, 61414, 61235, 61443, 61254.
The map draws ZIP code areas only. For the streets inside 61238, 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 61238 compare with the rest of Henry County?
| Measure | 61238 | In Henry County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 2,549 | 9th of 24 | 612th of 1,396 |
| Median household income | $65k | 10th of 14 | 594th of 797 |
| Median home value | $131k | 12th of 17 | 626th of 842 |
Its median household income is higher than in 38% of U.S. residential ZIP codes, and it is denser than 30% 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 61238?
The 2020 Census counted 3,028 people in 61238; the ACS, which samples households over 2020-2024, estimates 2,549. Between the 2010 and 2020 censuses its population fell 6.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 2,549±298 (90% margin)
- 2020 Census count
- 3,028−6.7% since 2010 (3,247)
- Households
- 1,042
- Median age
- 41.5
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 61238?
Of the 2,549 people the ACS estimates in 61238, 22.9% are under 18 and 18.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (88.9%).
- Under 1822.9%
- 18 to 6458.7%
- 65 and older18.5%
- White, not Hispanic88.9%
- Other or two or more8.2%
- Black, not Hispanic1.5%
- Asian, not Hispanic1.1%
- Hispanic or Latino0.2%
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 61238 earn?
Median household income is $64,583 (ACS 2020-2024), the 10th highest of the 14 ranked ZIP codes in Henry County. It fell from $75,011 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $64,583
- Income per person
- $32,445
- Below the poverty line
- 13.2%
- Unemployed (of the labor force)
- 7.3%
- Adults 25+ with a bachelor's degree
- 17.0%
- Adjusted gross income per tax return, 2022
- $71,1911,410 returns; wages 64% 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 61238?
- Median home value (owners' estimate)
- $131,100
- Median gross rent
- $971
- Homes owned by their occupants
- 86.1%
- Housing units
- 1,184
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 61238?
60 business establishments had a location in this ZIP code in 2023, 1 more than in 2018; the most are in transportation and warehousing (ZIP Code Business Patterns).
- Transportation and warehousing12
- Wholesale trade8
- Retail trade8
- Accommodation and food services5
- Other services (except public administration)5
- Finance and insurance4
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 61238?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 61233 | Andover | 281 | $72k | 6.2 mi |
| 61419 | Bishop Hill | 134 | $56k | 6.4 mi |
| 61490 | Woodhull | 1,035 | $66k | 8.0 mi |
| 61274 | Osco | 197 | $72k | 8.1 mi |
| 61262 | Lynn Center | 1,197 | $86k | 9.1 mi |
| 61434 | Galva | 2,971 | $57k | 10.4 mi |
| 61414 | Altona | 696 | $49k | 10.8 mi |
| 61235 | Atkinson | 1,283 | $62k | 11.3 mi |
| 61443 | Kewanee | 13,456 | $53k | 11.9 mi |
| 61254 | Geneseo | 12,135 | $92k | 12.8 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.