PlainZIP

Dewey, IL · standard

ZIP Code 61840

Champaign County, Illinois - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

709
8/sq mi
$84,891
Median income
$272,600
Median home value
32.9%
Bachelor's or higher

The verdict

Dewey pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.

Top 32%
household income, US ZIPs
Top 38%
home value, US ZIPs
8
people per sq mi
100%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 61840 against every reporting US ZIP.

ZIP code 61840 is a sparsely populated ZIP (a standard USPS delivery area) in Dewey, Champaign County, Illinois, home to just 709 residents across 86.5 square miles, a density of 8 people per square mile, in the Chicago time zone.

ZIP 61840 lands in the middle-income range, with a median household income of $84,891 (6% above the Illinois average), while per-capita income is $44,322. Local economic indicators show a 0.0% poverty rate alongside 0.0% unemployment. The typical home here is valued at $272,600 (42% above the state average); renters pay a median of - monthly, and 100.0% of units are owner-occupied.

A solid share of residents have a four-year degree: 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 on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; FHFA HPI updated quarterly/annually.

Quick Facts

709

Population

86.5

Area (sq mi)

8

People / sq mi

Chicago

Time Zone

standard

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

How ZIP 61840 ranks nationally

Dewey, IL household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$84,891 Top 32% higher than 68% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

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 61840 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 61840 ranks #5 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 61840 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 61840 ranks #4 of 6 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
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

61820 standard
Champaign, IL
Pop: 36,964
61801 standard
Urbana, IL
Pop: 30,937
61821 standard
Champaign, IL
Pop: 30,174
61822 standard
Champaign, IL
Pop: 21,608
61802 standard
Urbana, IL
Pop: 19,052
61866 standard
Rantoul, IL
Pop: 14,048

Related Areas

Champaign County Dewey, IL Illinois

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).

Read our methodology to see how this data is sourced, computed, and verified.