ZIP Code 61840

standard

Source:

Dewey · Champaign County · Illinois

Population
709

8/sq mi

Median income
$84,891

▲ 11% vs US

higher than 68% of US ZIPs

Median home value
$272,600

▼ 2% vs US

higher than 62% of US ZIPs

Bachelor's or higher
32.9%

Median age 58.9

Land area
86.5 sq mi

Chicago

ZIP code 61840 in Dewey, Illinois has a population of 709. The median household income is $84,891, which is 11% above the national average. Median home value is $272,600, 2% below the US average. 32.9% of residents hold a bachelor's degree or higher.

ZIP code 61840 is classified by USPS as a standard delivery area and covers roughly 86.5 square miles in Dewey, Champaign County, Illinois. The area is home to 709 residents, producing a population density of 8 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 61840 against Illinois and the nation.

On the economic side, the median household income for ZIP 61840 sits at $84,891 (6% above the Illinois average), while per-capita income is $44,322. The poverty rate stands at 0.0% and the unemployment rate at 0.0%. On housing, the median home value is $272,600 (42% above the state average) with median rent at per month, and 100.0% of occupied units are owner-occupied, a direct signal of whether 61840 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 32.9% of adults hold a bachelor's degree or higher, the median age is 58.9, and the average commute is . We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Champaign County, so you can benchmark 61840 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 61840, Dewey, IL · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

709

Population

86.5

Area (sq mi)

8

People / sq mi

Chicago

Time Zone

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ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 61840?

58.9

Median Age

44.0%

Male

56.0%

Female

0.0%

Foreign-Born

White 90.8%
African American 2.1%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 7.0%
Hispanic or Latino 0.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$84,891

Median Household Income

+6% vs state

$44,322

Per Capita Income

0.0%

Poverty Rate

0.0%

Unemployment Rate

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 68.8%
Bachelor's Degree or Higher 32.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

258

Total Housing Units

234

Occupied Units

24

Vacant Units

2.62

Avg Household Size

Occupancy Type

Owner 100.0%
Renter 0.0%

$272,600

Median Home Value

+42% vs state

1971

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 14 business establishments in ZIP 61840, employing approximately 94 people with a combined annual payroll of $4,391,000.

14

Businesses

94

Employees

$4.4M

Annual Payroll

2

Industry Sectors

Industry Establishments % of Total
Wholesale trade 3 21.4%
Transportation and warehousing 3 21.4%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 61840 vs 61843 →

ZIP Code City Population Distance
61843 Fisher, IL 2,363 4.6 mi
61866 Rantoul, IL 14,048 7.7 mi
61845 Foosland, IL 364 7.2 mi
61853 Mahomet, IL 13,206 8.4 mi
61878 Thomasboro, IL 1,433 9.0 mi

More ZIP Codes in Champaign County

Frequently Asked Questions

What county is ZIP code 61840 in?
ZIP code 61840 (Dewey) is located in Champaign County, Illinois. Champaign County contains multiple ZIP codes, see the full list at /counties/champaign-il.
What is the population of ZIP code 61840?
ZIP code 61840 in Dewey, IL has a population of 709 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 61840?
The median household income in ZIP 61840 is $84,891, which is 11% above the national average of $76,288.
What is the average home value in ZIP 61840?
The median home value in ZIP 61840 is $272,600, which is 2% below the national average of $278,155.
What is the demographic makeup of ZIP 61840?
The largest racial group in ZIP 61840 is White at 90.8%.
How many businesses are in ZIP code 61840?
ZIP code 61840 has 14 business establishments employing approximately 94 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 61840?
In ZIP code 61840, 68.8% of residents aged 25+ have a high school diploma or higher, and 32.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).

ZIP Code Research Guides

Official Data Resources for Dewey, IL

Verify and explore additional data for this area using these official government sources.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.