61840 ZIP Code — Dewey, IL

Champaign County, Illinois

ZIP code 61840 is located in Dewey, Illinois, within Champaign County. It covers approximately 31.09 square miles and serves a population of 530 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 217.

About ZIP code 61840

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $250,000. Owner-occupancy is high at 90%, well above the national average.

Median household income is $68,250. The poverty rate of 6% is below the national average. 33% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.

Educational attainment is near the national average, with 41% of residents holding a bachelor's degree or higher.

Overall, ZIP code 61840 reflects a community defined by high homeownership and a significant Social Security-dependent population.

530

population

31.09

sq mi land

Standard

ZIP type

Central (CT)

timezone

61840 ZIP code map

Cities in ZIP code 61840

Below are the cities the US Postal Service accepts for ZIP code 61840. Using any city not on this list may result in mail delivery delays.

City	Status
Dewey	Preferred

Nearby ZIP codes

61843 Fisher (3.9 mi) 61845 Foosland (5.8 mi) 61866 Rantoul (7.8 mi) 61853 Mahomet (8.3 mi) 61878 Thomasboro (8.9 mi) 60936 Gibson City (11.2 mi) 61724 Bellflower (12 mi) 61822 Champaign (12.1 mi) 60949 Ludlow (12.3 mi) 60957 Paxton (12.7 mi) 61821 Champaign (13.5 mi) 61820 Champaign (13.7 mi)

Demographics updated 05/2026

Population
Total population	530
Population density	17 / sq mi
State FIPS	17
County FIPS	019

Geography
Land area	31.09 sq mi
Water area	0.12 sq mi
Latitude	40.3064
Longitude	-88.3028
Timezone	Central (CT)
Area code	217

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.2%	46.9%	37.2%
$50k – $100k	35.3%	27.3%	29.6%
$100k – $200k	40.8%	19.9%	24.4%
Over $200k	3.8%	5.9%	8.8%

Demographics & statistics

530

Population

People per sq mi

55.0

Median age

$68,250

Median household income

$36,703

Per capita income

$250,000

Median home value

Median monthly rent

89.7%

Home ownership

6.4%

Poverty rate

6.6%

Unemployment

214

Housing units

41.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

15–19

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	111	20.9%
18 and over	419	79.1%
65 and over	127	24.0%
Median age	55.0 years

Race & ethnicity

White 93.2%

Two or more races 4%

Black or African American 2.8%

Group	Count	%
White	494	93.2%
Two or more races	21	4%
Black or African American	15	2.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	20.2%	46.9%	37.2%
$50k – $100k	35.3%	27.3%	29.6%
$100k – $200k	40.8%	19.9%	24.4%
Over $200k	3.8%	5.9%	8.8%

Under $10k 5.6%

$25k–$35k 22.9%

$35k–$50k 7.9%

$50k–$75k 16.8%

$75k–$100k 10.3%

$100k–$150k 27.1%

$150k–$200k 7.5%

$200k+ 1.9%

Range	% of households
Under $10k	5.6%
$25k–$35k	22.9%
$35k–$50k	7.9%
$50k–$75k	16.8%
$75k–$100k	10.3%
$100k–$150k	27.1%
$150k–$200k	7.5%
$200k+	1.9%
Median income	$68,250

Housing

Home values

Under $50k 31.3%

$50k–$100k 4.2%

$100k–$150k 9.9%

$200k–$300k 30.7%

$300k–$500k 24.0%

Housing overview

Metric	Value
Median home value	$250,000
Median rent / month	$0
Owner occupied	89.7%
Renter occupied	10.3%
Vacant	9.3%
Single-family detached	80.1%
Large apartment buildings	0.0%
Mobile homes	19.9%
Median rooms	6.6
Avg household size (owned)	2.48

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	8.9%
1990–1999	2.5%
1980–1989	14.4%
1970–1979	28.4%
1960–1969	22.0%
1950–1959	4.2%
1940–1949	0.0%
1939 or earlier	19.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	14.0%
3 bedrooms	57.6%
4 bedrooms	28.4%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	7.0%
2 vehicles	34.6%
3 or more	58.4%

Heating fuel

Fuel type	%
Utility gas	28.0%
Electricity	26.6%
Propane / LP gas	29.9%

Households & families

Household type	Count	%
Married-couple family	139	65.0%
Cohabiting couple	12	5.6%
Male householder, no spouse	13	6.1%
Female householder, no spouse	50	23.4%
Households with children under 18	76	35.5%
Households with seniors (65+)	68	31.8%
Average household size	2.48

Marital status

Status	Male	Female
Never married	26.2%	22.0%
Married	73.8%	58.0%
Separated	0.0%	0.0%
Widowed	0.0%	4.5%
Divorced	0.0%	15.5%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 23.8%

Some college, no degree 26.5%

Associate's degree 8.3%

Bachelor's degree 31.6%

Graduate / professional 9.8%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	41.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	13	10.7%
Kindergarten	21	17.2%
Elementary school	18	14.8%
High school	59	48.4%
College / grad school	11	9.0%

Employment

Industry of employment

Education & healthcare 36.9%

Manufacturing 19.9%

Information 14.0%

Professional & management 11.1%

Construction 9.2%

Arts, food & hospitality 4.8%

Other services 2.6%

Finance & real estate 1.5%

Occupation

Category	%
Management, business & arts	36.5%
Service	9.6%
Sales & office	24.0%
Natural resources & construction	9.2%
Production & transportation	20.7%

Employment type

Type	%
Private sector	81.2%
Government	9.6%
Self-employed	9.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	100.0%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	28.7

Poverty

All people 6.4%

Under 18 years 9.0%

18 and over 5.7%

Married-couple families 0.0%

Female-led households 25.5%

Income support

Source	% of households
Social Security	32.7%
Retirement income	32.2%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	9.3%

Health indicators

Condition	%
Obesity	28.8%
High blood pressure	31.0%
High cholesterol	32.3%
Diabetes	9.0%
Heart disease	6.1%
Stroke	2.7%
Asthma	8.9%
Arthritis	26.2%
Kidney disease	2.6%
Pulmonary disease	6.0%
Cancer	7.3%

Behavior / access	%
Smoking	15.0%
Binge drinking	15.8%
No physical activity	19.0%
Less than 7 hrs sleep	30.0%
Depression	16.6%
Fair or poor health	10.9%
Poor mental health	11.5%
Poor physical health	8.5%
No health insurance	8.1%
Visited doctor (checkup)	77.9%
Visited dentist	73.1%
Cholesterol screening	91.6%
Teeth loss	10.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	17	4.1%

Disability	%
Any disability	10.0%
Under 18	0.0%
18–64 years	2.7%
65 and over	35.4%

Health insurance coverage

Type	%
Private insurance	74.7%
Public insurance	36.6%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	517	97.5%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	523	98.7%
Born in same state	521	98.3%
Born in different state	398	75.1%
Foreign born	2	0.4%
Naturalized citizen	7	1.3%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	91	17.2%
English	53	10%

Ancestry	Count	%
Italian	53	10%
Arab	34	6.4%

Technology access

Metric	% of households
Computer access	40.4%
Internet access	89.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 61840

What city is ZIP code 61840 in?

ZIP code 61840 is primarily assigned to Dewey, Illinois.

What county is ZIP code 61840 in?

ZIP code 61840 falls within Champaign County, Illinois.

Is ZIP code 61840 mostly owner-occupied?

90% of occupied units in ZIP code 61840 are owner-occupied, well above the national average.

What is the population of ZIP code 61840?

ZIP code 61840 has an estimated population of 530 residents, with a density of 17 people per square mile.

What is the median household income in ZIP code 61840?

The median household income in ZIP code 61840 is $68,250, below the national median of ~$75,000.

What is the typical home value in ZIP code 61840?

The median home value in ZIP code 61840 is $250,000.

What timezone is ZIP code 61840 in?

ZIP code 61840 observes the CST timezone.