Residential delivery area · Illinois
ZIP Code 61842: Farmer City, IL
ZIP code 61842 uses the postal name Farmer City, Illinois and lies mostly in De Witt County (63% of its land), reaching into Piatt County and McLean County (Census 2020 ZIP-county file). About 2,600 people live there (Census Bureau, ACS 2020-2024). Median household income is $80,117 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Farmer City; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Farmer City · its only residential ZIP
- County
- De Witt County (63%); Piatt County (19%); McLean County (18%)
- Census places
- Farmer City
- House districts
- IL-15 (82%), IL-16 (18%) 119th Congress, by share of land
- State
- Illinois
- Time zone
- Central
- Land area
- 110.4 sq mi · 24 people per sq mi
Where is ZIP code 61842?
61842 centers on 40.239°, -88.665° and covers 110.4 square miles of land plus 1.1 of water. It borders 7 ZIP codes: 61839, 61854, 61735, 61752, 61724, 61882, 61722.
The map draws ZIP code areas only. For the streets inside 61842, 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 61842 compare with the rest of De Witt County?
| Measure | 61842 | In De Witt County | In IL |
|---|---|---|---|
| People (ACS 2020-2024) | 2,620 | 4th of 13 | 605th of 1,396 |
| Median household income | $80k | 5th of 6 | 386th of 797 |
| Median home value | $158k | 4th of 5 | 517th of 842 |
Its median household income is higher than in 62% of U.S. residential ZIP codes, and it is denser than 29% 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 61842?
The 2020 Census counted 2,771 people in 61842; the ACS, which samples households over 2020-2024, estimates 2,620. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 2,620±306 (90% margin)
- 2020 Census count
- 2,771
- Households
- 1,073
- Median age
- 45.5
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 61842?
Of the 2,620 people the ACS estimates in 61842, 21.6% are under 18 and 22.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (94.4%).
- Under 1821.6%
- 18 to 6455.5%
- 65 and older22.9%
- White, not Hispanic94.4%
- Hispanic or Latino3.7%
- Other or two or more1.8%
- Asian, not Hispanic0.1%
- Black, 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 61842 earn?
Median household income is $80,117 (ACS 2020-2024), the 5th highest of the 6 ranked ZIP codes in De Witt County.
- Median household income
- $80,117±$16,941
- Income per person
- $35,036
- Below the poverty line
- 7.9%
- Unemployed (of the labor force)
- 7.5%
- Adults 25+ with a bachelor's degree
- 19.9%
- Adjusted gross income per tax return, 2022
- $72,9021,320 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 61842?
FHFA's house price index for 61842, built from repeat sales and appraisals of the same homes, rose 58% from 2015 to 2025 and rose 49% from 2020 to 2025, and moved −4.4% in 2025.
- Median home value (owners' estimate)
- $157,500
- Median gross rent
- $492
- Homes owned by their occupants
- 88.0%
- Housing units
- 1,232
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 61842?
64 business establishments had a location in this ZIP code in 2023, 15 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction12
- Other services (except public administration)10
- Retail trade9
- Transportation and warehousing6
- Finance and insurance6
- Wholesale trade5
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 61842?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 61839 | De Land | 558 | $56k | 7.5 mi |
| 61854 | Mansfield | 1,299 | $87k | 7.7 mi |
| 61735 | Dewitt | 360 | $93k | 7.8 mi |
| 61752 | Le Roy | 4,332 | $88k | 8.5 mi |
| 61724 | Bellflower | 369 | $81k | 9.9 mi |
| 61882 | Weldon | 777 | $80k | 10.3 mi |
| 61722 | Arrowsmith | 658 | $111k | 12.9 mi |
| 61750 | Lane | 118 | – | 12.9 mi (near) |
| 61853 | Mahomet | 14,831 | $116k | 12.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.