Zip Code 61821
Champaign, Illinois — Champaign County
📍 ZIP code 61821 is in Champaign, Champaign County, Illinois.
ZIP code 61821 is located in Champaign, Champaign County, Illinois. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 28,838. The area code for ZIP code 61821 is 618.
Quick Answer
Zip code 61821 is in Champaign, Illinois (Champaign County). It has a population of 28,838, median household income of $69,284, and median home value of $174,800.
Population
28,838
Income
$69,284
Home Value
$174,800
Climate
85°F / 18°F
About Zip Code 61821
Zip code 61821 is located in Champaign, Illinois, within Champaign County. Home to approximately 28,838 residents, this area sits at an elevation of 766 ft and falls within the Central (CST/CDT) timezone. The local area code is 618.
The median household income is $69,284 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $174,800, and the cost of living index is 70 (30% below the national average of 100).
Summers average a high of 85°F while winters drop to 18°F. The area receives about 41 in of rain and 21 in of snow annually. The zip code covers 7.5 square miles of land area.
Key Statistics
28,838
$69,284
$174,800
Central (CST/CDT)
618
766 ft
7.5 sq mi
36
13,751
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Compare With Nearby Zip Codes
| Metric | 61821 | 61820 | 61822 | 61801 | 61874 | 61815 |
|---|---|---|---|---|---|---|
| City | Champaign, IL | Champaign, IL | Champaign, IL | Urbana, IL | Savoy, IL | Mahomet, IL |
| Population | 28,838 | 38,481 | 28,246 | 27,755 | 8,602 | 309 |
| Median Income | $69,284 | $31,031 | $97,044 | $37,948 | $88,431 | $61,111 |
| Home Value | $174,800 | $175,900 | $264,600 | $184,000 | $274,100 | $159,100 |
| Cost of Living | 70 | 60 | 104 | 60 | 102 | 68 |
| Median Age | 36 | 22.2 | 38 | 24.3 | 38 | 42.1 |
Cost of Living
100 = National Average. Champaign's cost of living is 30% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.5x
Demographics
Zip code 61821 has a population of 28,838 people with a median age of 36. There are 13,751 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Champaign (61821) population trend from 2010 to 2024
↓ -27.6%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
85°F
18°F
41 in
21 in
Champaign experiences warm summers with average highs around 85°F. Winters are cold with lows averaging 18°F. The area receives about 21 in of snow per year.
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Housing & Economy
Median Home Value
$174,800
Median Household Income
$69,284
With 13,751 housing units across 7.5 square miles, 61821 has a housing density of 1,833 units per square mile. The home price-to-income ratio is 2.5x.
Location & Geography
Latitude
40.1096°
Longitude
-88.2749°
Land Area
7.5 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 61821 (Champaign, IL) with distances:
All Zip Codes in Champaign, IL
Other zip codes serving Champaign:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 61821's $69,284. A way to compare Champaign to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 61821 (Champaign, IL). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Champaign, Illinois?
Champaign, Illinois uses zip code 61821 along with 2 other zip codes.
What county is zip code 61821 in?
Zip code 61821 is located in Champaign County, Illinois.
What is the population of zip code 61821?
The population of zip code 61821 is 28,838 with a median age of 36.
Is 61821 in Champaign, Illinois?
Yes, zip code 61821 is in Champaign, Champaign County, Illinois. The area code is 618.
Frequently Asked Questions
What city is zip code 61821 in?
Zip code 61821 is in Champaign, Illinois. It is part of Champaign County and uses the Central (CST/CDT) timezone.
What is zip code 61821?
Zip code 61821 is a U.S. postal code in Champaign, Illinois (Champaign County). It has a population of 28,838 and covers 7.5 square miles.
What is the population of zip code 61821?
The population of zip code 61821 (Champaign, IL) is 28,838 with a median age of 36. There are approximately 13,751 housing units in this area.
What is the median income in zip code 61821?
The median household income in zip code 61821 (Champaign, IL) is $69,284 per year. The cost of living index is 70 (100 = national average).
What is the average home price in zip code 61821?
The median home value in zip code 61821 (Champaign, IL) is $174,800. The cost of living index is 70 compared to the national average of 100.
What county is zip code 61821 in?
Zip code 61821 is located in Champaign County, Illinois. The primary city is Champaign.
What is the area code for zip code 61821?
Zip code 61821 in Champaign, IL uses area code 618. It is located in the Central (CST/CDT) timezone.
Is zip code 61821 a good place to live?
Zip code 61821 (Champaign, IL) has a cost of living index of 70 (100 = national average), a median household income of $69,284, and median home values of $174,800. The median age is 36. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 61821?
The cost of living index for zip code 61821 (Champaign, IL) is 70, where 100 represents the national average. This area is below the national average. Median home value: $174,800.
What schools serve zip code 61821?
Zip code 61821 in Champaign, Illinois is served by the local school district of Champaign County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.