Residential delivery area · Illinois
ZIP Code 61821: Champaign, IL
ZIP code 61821 is in Champaign, Illinois, entirely in Champaign County (Census 2020 ZIP-county file). About 29,000 people live there (Census Bureau, ACS 2020-2024), the 2nd most populous of Champaign's 3 residential ZIP codes. Median household income is $70,715 (Census Bureau, ACS 2020-2024). By Census place, 91% of its land lies in Champaign; 9% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
Where is ZIP code 61821?
61821 centers on 40.111°, -88.276° and covers 7.7 square miles of land plus 0.0 of water. It borders 3 ZIP codes: 61820, 61822, 61874.
The map draws ZIP code areas only. For the streets inside 61821, 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 61821 compare with the rest of Champaign?
| Measure | 61821 | In Champaign | In Champaign County | In IL |
|---|---|---|---|---|
| People (ACS 2020-2024) | 28,611 | 2nd of 3 | 2nd of 35 | 160th of 1,396 |
| Median household income | $71k | 2nd of 3 | 12th of 19 | 510th of 797 |
| Median home value | $182k | 3rd of 3 | 12th of 20 | 423rd of 842 |
Its median household income is higher than in 48% of U.S. residential ZIP codes, and it is denser than 91% 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 61821?
The 2020 Census counted 29,057 people in 61821; the ACS, which samples households over 2020-2024, estimates 28,611. Between the 2010 and 2020 censuses its population fell 3.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 28,611
- 2020 Census count
- 29,057−3.7% since 2010 (30,174)
- Households
- 12,405
- Median age
- 36.6
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 61821?
Of the 28,611 people the ACS estimates in 61821, 19.5% are under 18 and 16.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (55.6%), then Black (not Hispanic) (23.9%).
- Under 1819.5%
- 18 to 6463.6%
- 65 and older16.9%
- White, not Hispanic55.6%
- Black, not Hispanic23.9%
- Asian, not Hispanic9.1%
- Hispanic or Latino7.0%
- Other or two or more4.4%
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 61821 earn?
Median household income is $70,715 (ACS 2020-2024), the 12th highest of the 19 ranked ZIP codes in Champaign County. It is not measurably different from 2015-2019 ($67,161 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $70,715
- Income per person
- $43,765
- Below the poverty line
- 13.7%
- Unemployed (of the labor force)
- 5.1%
- Adults 25+ with a bachelor's degree
- 48.9%
- Adjusted gross income per tax return, 2022
- $76,65213,630 returns; wages 61% 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 61821?
FHFA's house price index for 61821, built from repeat sales and appraisals of the same homes, rose 67% from 2015 to 2025 and rose 52% from 2020 to 2025, and moved +5.2% in 2025.
- Median home value (owners' estimate)
- $181,800
- Median gross rent
- $1,031
- Homes owned by their occupants
- 61.0%
- Housing units
- 13,441
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 61821?
565 business establishments had a location in this ZIP code in 2023, 18 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade79
- Accommodation and food services71
- Other services (except public administration)66
- Health care and social assistance62
- Professional, scientific, and technical services59
- Construction43
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 61821?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 61820 | Champaign | 40,599 | $28k | 1.7 mi |
| 61822 | Champaign | 27,642 | $99k | 2.1 mi |
| 61874 | Savoy | 8,811 | $92k | 4.0 mi |
| 61801 | Urbana | 27,891 | $36k | 3.4 mi (near) |
| 61815 | Bondville | 335 | $72k | 4.9 mi (near) |
| 61802 | Urbana | 20,293 | $62k | 6.5 mi (near) |
| 61875 | Seymour | 846 | $119k | 7.5 mi (near) |
| 61880 | Tolono | 4,367 | $86k | 9.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.