Residential delivery area · Illinois
ZIP Code 61233: Andover, IL
ZIP code 61233 is in Andover, Illinois, entirely in Henry County (Census 2020 ZIP-county file). About 280 people live there (Census Bureau, ACS 2020-2024). Median household income is $71,667 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- Town
- Andover · its only residential ZIP
- County
- Henry County
- Census places
- Andover
- Metro area
- Davenport-Moline-Rock Island, IA-IL
- House district
- IL-16 119th Congress
- State
- Illinois
- Time zone
- Central
- Land area
- 0.7 sq mi · 391 people per sq mi
Where is ZIP code 61233?
61233 centers on 41.295°, -90.291° and covers 0.7 square miles of land. It borders 2 ZIP codes: 61262, 61238.
The map draws ZIP code areas only. For the streets inside 61233, 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 GeoNames postal codes (CC BY 4.0).
How does 61233 compare with the rest of Henry County?
| Measure | 61233 | In Henry County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 281 | 19th of 24 | 1,229th of 1,396 |
| Median household income | $72k | not ranked | not ranked |
| Median home value | $183k | not ranked | not ranked |
61233's income and home value are not ranked: it has fewer than 1,000 residents (281). 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 70% 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 61233?
The 2020 Census counted 391 people in 61233; the ACS, which samples households over 2020-2024, estimates 281.
- People, ACS 2020-2024
- 281±90 (90% margin)
- 2020 Census count
- 391
- Households
- 116
- Median age
- 46.4
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 61233?
Of the 281 people the ACS estimates in 61233, 21.7% are under 18 and 17.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (84.7%), then Other or two or more (11.0%).
- Under 1821.7%
- 18 to 6460.9%
- 65 and older17.4%
- White, not Hispanic84.7%
- Other or two or more11.0%
- Hispanic or Latino4.3%
- 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 61233 earn?
Median household income is $71,667 (ACS 2020-2024).
- Median household income
- $71,667±$25,391
- Income per person
- $38,320
- Below the poverty line
- 2.1%
- Unemployed (of the labor force)
- 5.1%
- Adults 25+ with a bachelor's degree
- 23.2%
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 61233?
- Median home value (owners' estimate)
- $182,600
- Median gross rent
- $750
- Homes owned by their occupants
- 77.6%
- Housing units
- 116
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 61233?
11 business establishments had a location in this ZIP code in 2023, 2 more than in 2018 (ZIP Code Business Patterns).
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 61233?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 61262 | Lynn Center | 1,197 | $86k | 3.2 mi |
| 61238 | Cambridge | 2,549 | $65k | 6.2 mi |
| 61274 | Osco | 197 | $72k | 5.3 mi (near) |
| 61468 | Ophiem | 92 | $43k | 5.6 mi (near) |
| 61273 | Orion | 3,120 | $99k | 7.4 mi (near) |
| 61490 | Woodhull | 1,035 | $66k | 7.7 mi (near) |
| 61413 | Alpha | 1,035 | $73k | 8.5 mi (near) |
| 61419 | Bishop Hill | 134 | $56k | 11.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.