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 Low-density area
- $84,891
- Median income Above-median income area
- $272,600
- Median home value Near-median home value
- 32.9%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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 average Illinois ZIP), while per-capita income is $44,322. Both reported hardship measures are comparatively low in absolute terms: poverty is 0.0% and unemployment is 0.0%. Housing is both higher-cost and owner-heavy: median home value is $272,600 (42% above the average Illinois ZIP), while 100.0% of occupied homes 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 -. The page also surfaces 5 ZIP codes within roughly 10 miles and 6 more in Champaign County, so 61840 can be compared with both its immediate and county-level context.
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
Who lives in ZIP 61840?
58.9
Median Age
44.0%
Male
56.0%
Female
0.0%
Foreign-Born
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 ZIP avg
$44,322
Per Capita Income
0.0%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 61840 ranks among Illinois ZIPs
Dewey, IL household income vs. every Illinois ZIP code
Median household income among 1,334 reporting Illinois ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$84,891 Top 34% higher than 66% of 1,334 Illinois ZIPs
Each bar is a $20K-wide band; taller bars hold more Illinois 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
258housing units
258
Total Housing Units
234
Occupied Units
24
Vacant Units
2.62
Avg Household Size
Occupancy Type
$272,600
Median Home Value
+42% vs state ZIP avg
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.
- 61866
Rantoul (61866)
14,048 residents
- 61853
Mahomet (61853)
13,206 residents
- 61843 2,363
Fisher (61843)
2,363 residents
- 61878 1,433
Thomasboro (61878)
1,433 residents
- 61840 709
Dewey (61840)
709 residents
- 61845 364
Foosland (61845)
364 residents
What this shows Among its immediate neighbors, ZIP 61840 ranks #5 by population - useful context the national average alone can't give.
ZIP 61840 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 61853
Mahomet (61853)
$115,512 median income
- 61843
Fisher (61843)
$97,943 median income
- 61845
Foosland (61845)
$91,389 median income
- 61840
Dewey (61840)
$84,891 median income
- 61878
Thomasboro (61878)
$66,250 median income
- 61866
Rantoul (61866)
$50,686 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 61840, both outside IL so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Champaign County
Related Areas
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).
Related
Take this with you
What to do with ZIP 61840's numbers, next.
- See how ZIP 61840 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Dewey, IL ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.