Residential delivery area · Illinois
ZIP Code 61285: Thomson, IL
ZIP code 61285 uses the postal name Thomson, Illinois and lies entirely in Carroll County (Census 2020 ZIP-county file). About 2,700 people live there (Census Bureau, ACS 2020-2024). Median household income is $68,500 (Census Bureau, ACS 2020-2024). By Census place, 5% of its land lies in Thomson; 95% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2024
- ZBP2023
- IRS2022
- Town
- Thomson · its only residential ZIP
- County
- Carroll County
- Census places
- Thomson
- House district
- IL-17 119th Congress
- State
- Illinois
- Time zone
- Central
- Land area
- 44.4 sq mi · 61 people per sq mi
Where is ZIP code 61285?
61285 centers on 41.994°, -90.082° and covers 44.4 square miles of land plus 16.0 of water. It borders 7 ZIP codes: 52070, 61074, 61014, 61053, 61252, 52732, 61270.
The map draws ZIP code areas only. For the streets inside 61285, 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 61285 compare with the rest of Carroll County?
| Measure | 61285 | In Carroll County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 2,728 | 5th of 10 | 595th of 1,396 |
| Median household income | $69k | 6th of 10 | 539th of 797 |
| Median home value | $173k | 2nd of 10 | 449th of 842 |
Its median household income is higher than in 44% of U.S. residential ZIP codes, and it is denser than 46% 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 61285?
The 2020 Census counted 2,681 people in 61285; the ACS, which samples households over 2020-2024, estimates 2,728. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 2,728
- 2020 Census count
- 2,681
- Households
- 586
- Median age
- 41.6
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 61285?
Of the 2,728 people the ACS estimates in 61285, 8.1% are under 18 and 15.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (60.9%), then Black (not Hispanic) (21.2%).
- Under 188.1%
- 18 to 6476.2%
- 65 and older15.7%
- White, not Hispanic60.9%
- Black, not Hispanic21.2%
- Hispanic or Latino14.1%
- Other or two or more3.1%
- Asian, not Hispanic0.7%
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 61285 earn?
Median household income is $68,500 (ACS 2020-2024), the 6th highest of the 10 ranked ZIP codes in Carroll County.
- Median household income
- $68,500±$8,969
- Income per person
- $18,594
- Below the poverty line
- 15.7%
- Unemployed (of the labor force)
- 5.1%
- Adults 25+ with a bachelor's degree
- 10.4%
- Adjusted gross income per tax return, 2022
- $68,198810 returns; wages 57% 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 61285?
- Median home value (owners' estimate)
- $173,100
- Median gross rent
- $903
- Homes owned by their occupants
- 78.0%
- Housing units
- 809
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 61285?
20 business establishments had a location in this ZIP code in 2023, 3 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade6
- Accommodation and food services5
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 61285?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 52070 | Sabula, IA | 990 | $79k | 9.0 mi |
| 61074 | Savanna | 3,962 | $51k | 9.2 mi |
| 61014 | Chadwick | 1,067 | $69k | 10.1 mi |
| 61053 | Mount Carroll | 2,590 | $62k | 10.1 mi |
| 61252 | Fulton | 5,437 | $60k | 11.1 mi |
| 52732 | Clinton, IA | 25,880 | $61k | 11.3 mi |
| 61270 | Morrison | 6,912 | $81k | 13.1 mi |
| 52701 | Andover, IA | 124 | – | 8.6 mi (near) |
| 52771 | Teeds Grove, IA | 56 | – | 9.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.