Residential delivery area · Illinois
ZIP Code 61840: Dewey, IL
ZIP code 61840 uses the postal name Dewey, Illinois and lies entirely in Champaign County (Census 2020 ZIP-county file). About 610 people live there (Census Bureau, ACS 2020-2024). Median household income is $84,891 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Dewey (a census-designated place); more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2021
- ZBP2023
- IRS2022
- Town
- Dewey · its only residential ZIP
- County
- Champaign County
- Census places
- Dewey census-designated place
- Metro area
- Champaign-Urbana, IL
- House districts
- IL-15 (61%), IL-2 (39%) 119th Congress, by share of land
- State
- Illinois
- Time zone
- Central
- Land area
- 31.1 sq mi · 20 people per sq mi
Where is ZIP code 61840?
61840 centers on 40.299°, -88.300° and covers 31.1 square miles of land plus 0.1 of water. It borders 7 ZIP codes: 61843, 61845, 61866, 61853, 61822, 60936, 60957.
The map draws ZIP code areas only. For the streets inside 61840, 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 61840 compare with the rest of Champaign County?
| Measure | 61840 | In Champaign County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 612 | 26th of 35 | 1,058th of 1,396 |
| Median household income | $85k | not ranked | not ranked |
| Median home value | $273k | not ranked | not ranked |
61840's income and home value are not ranked: it has fewer than 1,000 residents (612). 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 26% 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 61840?
The 2020 Census counted 784 people in 61840; the ACS, which samples households over 2020-2024, estimates 612. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 612±253 (90% margin)
- 2020 Census count
- 784
- Households
- 234
- Median age
- 58.9
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 61840?
Of the 612 people the ACS estimates in 61840, 21.6% are under 18 and 23.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (90.8%).
- Under 1821.6%
- 18 to 6454.9%
- 65 and older23.5%
- White, not Hispanic90.8%
- Other or two or more7.0%
- Black, not Hispanic2.1%
- Hispanic or Latino0.0%
- 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 61840 earn?
Median household income is $84,891 (ACS 2020-2024).
- Median household income
- $84,891±$44,339
- Income per person
- $44,322
- Below the poverty line
- 0.0%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 32.9%
- Adjusted gross income per tax return, 2022
- $106,410400 returns; wages 69% 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 61840?
- Median home value (owners' estimate)
- $272,600
- Median gross rent
- –
- Homes owned by their occupants
- 100.0%
- Housing units
- 258
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 61840?
14 business establishments had a location in this ZIP code in 2023, 2 more than in 2018; the most are in wholesale trade (ZIP Code Business Patterns).
- Wholesale trade3
- Transportation and warehousing3
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 61840?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 61843 | Fisher | 1,934 | $98k | 4.1 mi |
| 61845 | Foosland | 233 | $91k | 7.2 mi |
| 61866 | Rantoul | 13,470 | $51k | 7.5 mi |
| 61853 | Mahomet | 14,831 | $116k | 8.0 mi |
| 61822 | Champaign | 27,642 | $99k | 11.4 mi |
| 60936 | Gibson City | 4,246 | $51k | 11.9 mi |
| 60957 | Paxton | 5,596 | $69k | 13.2 mi |
| 61878 | Thomasboro | 1,127 | $66k | 9.0 mi (near) |
| 60933 | Elliott | 258 | $51k | 11.4 mi (near) |
| 60949 | Ludlow | 564 | $61k | 11.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.