61866 ZIP Code — Rantoul, IL

Champaign County, Illinois

ZIP code 61866 is located in Rantoul, Illinois, within Champaign County. It covers approximately 80.02 square miles and serves a population of 13,442 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 217.

About ZIP code 61866

The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character. Median home value is $105,200. Owner-occupancy sits near the national average at 54%.

Median household income is $47,703. Poverty affects 20% of residents, above the national average. SNAP benefit usage at 20% of households reflects economic stress in the area. 37% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is production, transportation, and material moving, with education and healthcare as the leading industry. The average commute of 20 minutes is near the national average.

College attainment at 13% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (21%) compared to national benchmarks.

Overall, ZIP code 61866 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

13,442

population

80.02

sq mi land

Standard

ZIP type

Central (CT)

timezone

61866 ZIP code map

Cities in ZIP code 61866

Below are the cities the US Postal Service accepts for ZIP code 61866. Using any city not on this list may result in mail delivery delays.

City	Status
Rantoul	Preferred

Nearby ZIP codes

61878 Thomasboro (4.9 mi) 60949 Ludlow (5.9 mi) 61847 Gifford (6.5 mi) 61840 Dewey (7.8 mi) 60957 Paxton (8.3 mi) 61862 Penfield (10.4 mi) 61843 Fisher (11.6 mi) 61845 Foosland (12.6 mi) 61873 Saint Joseph (13.3 mi) 61802 Urbana (13.4 mi) 61859 Ogden (14.3 mi) 61801 Urbana (14.3 mi)

Demographics updated 05/2026

Population
Total population	13,442
Population density	168 / sq mi
State FIPS	17
County FIPS	019

Geography
Land area	80.02 sq mi
Water area	0.11 sq mi
Latitude	40.3120
Longitude	-88.1557
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	57.1%	46.9%	37.2%
$50k – $100k	28.0%	27.3%	29.6%
$100k – $200k	13.9%	19.9%	24.4%
Over $200k	0.9%	5.9%	8.8%

Demographics & statistics

13,442

Population

168

People per sq mi

36.2

Median age

$47,703

Median household income

$25,411

Per capita income

$105,200

Median home value

$883

Median monthly rent

53.9%

Home ownership

19.7%

Poverty rate

5.3%

Unemployment

3,908

Housing units

13.0%

Bachelor's or higher

Age distribution

Male Female

493

Under 5

546

381

5–9

421

412

10–14

457

544

15–19

603

494

20–24

547

683

25–34

757

830

35–44

919

697

45–54

771

364

55–59

403

410

60–64

454

618

65–74

685

310

75–84

343

142

85+

158

← Male

Female →

Age summary

Group	Count	%
Under 18	3,654	27.2%
18 and over	9,788	72.8%
65 and over	2,256	16.8%
Median age	36.2 years

Race & ethnicity

White 55.7%

Black or African American 20%

Two or more races 14.6%

Hispanic or Latino 6.3%

Other race 2.5%

Asian 0.7%

American Indian / Alaska Native 0.1%

Group	Count	%
White	7,987	55.7%
Black or African American	2,877	20%
Two or more races	2,102	14.6%
Hispanic or Latino	908	6.3%
Other race	352	2.5%
Asian	106	0.7%
American Indian / Alaska Native	18	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	57.1%	46.9%	37.2%
$50k – $100k	28.0%	27.3%	29.6%
$100k – $200k	13.9%	19.9%	24.4%
Over $200k	0.9%	5.9%	8.8%

Under $10k 9.7%

$10k–$15k 4.2%

$15k–$25k 8.6%

$25k–$35k 12.4%

$35k–$50k 20.4%

$50k–$75k 18.0%

$75k–$100k 12.2%

$100k–$150k 10.2%

$150k–$200k 2.3%

$200k+ 2.0%

Range	% of households
Under $10k	9.7%
$10k–$15k	4.2%
$15k–$25k	8.6%
$25k–$35k	12.4%
$35k–$50k	20.4%
$50k–$75k	18.0%
$75k–$100k	12.2%
$100k–$150k	10.2%
$150k–$200k	2.3%
$200k+	2.0%
Median income	$47,703

Housing

Home values

Under $50k 15.1%

$50k–$100k 30.4%

$100k–$150k 31.0%

$150k–$200k 15.5%

$200k–$300k 5.3%

$300k–$500k 2.1%

$500k–$1M 0.7%

Housing overview

Metric	Value
Median home value	$105,200
Median rent / month	$883
Owner occupied	53.9%
Renter occupied	46.1%
Vacant	13.9%
Single-family detached	53.4%
Large apartment buildings	2.4%
Mobile homes	6.2%
Median rooms	5.4
Avg household size (owned)	2.16

Year built

Era	%
2020 or later	1.1%
2010–2019	5.3%
2000–2009	5.5%
1990–1999	3.5%
1980–1989	8.2%
1970–1979	19.0%
1960–1969	16.7%
1950–1959	25.2%
1940–1949	7.4%
1939 or earlier	8.1%

Bedrooms

Size	% of units
No bedroom (studio)	1.0%
1 bedroom	7.5%
2 bedrooms	25.5%
3 bedrooms	49.2%
4 bedrooms	16.3%
5+ bedrooms	0.5%

Vehicles per household

Vehicles	% of households
No vehicle	6.1%
1 vehicle	47.5%
2 vehicles	31.6%
3 or more	14.8%

Heating fuel

Fuel type	%
Utility gas	74.0%
Electricity	22.0%
Propane / LP gas	2.7%
Wood	0.1%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	1,843	33.0%
Cohabiting couple	357	6.4%
Male householder, no spouse	1,239	22.2%
Female householder, no spouse	2,146	38.4%
Households with children under 18	1,569	28.1%
Households with seniors (65+)	1,693	30.3%
Average household size	2.36

Marital status

Status	Male	Female
Never married	42.5%	36.5%
Married	40.2%	32.4%
Separated	2.0%	2.8%
Widowed	3.1%	11.5%
Divorced	12.3%	16.7%

Education

Less than 9th grade 3.7%

Some HS, no diploma 6.3%

HS graduate 39.4%

Some college, no degree 27.7%

Associate's degree 9.9%

Bachelor's degree 6.4%

Graduate / professional 6.6%

Metric	%
HS diploma or higher	90.0%
Bachelor's or higher	13.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	184	5.9%
Kindergarten	207	6.7%
Elementary school	1,212	39.0%
High school	1,145	36.9%
College / grad school	359	11.6%

Employment

Industry of employment

Education & healthcare 24.8%

Retail trade 16.8%

Transportation & utilities 11.1%

Manufacturing 10.2%

Arts, food & hospitality 9.6%

Construction 5.0%

Other services 5.0%

Finance & real estate 4.8%

Information 4.1%

Professional & management 3.5%

Public administration 2.3%

Wholesale trade 2.1%

Agriculture & mining 0.8%

Occupation

Category	%
Management, business & arts	19.8%
Service	20.3%
Sales & office	24.0%
Natural resources & construction	10.1%
Production & transportation	25.8%

Employment type

Type	%
Private sector	80.4%
Government	15.7%
Self-employed	3.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.8%
Carpool	10.3%
Public transit	1.0%
Walk	2.4%
Work from home	10.5%
Other means	1.0%
Avg commute (minutes)	19.9

Poverty

All people 19.7%

Under 18 years 35.4%

18 and over 14.0%

Married-couple families 9.0%

Female-led households 22.4%

Income support

Source	% of households
Social Security	37.0%
Retirement income	24.9%
Supplemental Security	4.5%
Cash public assistance	3.8%
Food stamps / SNAP	20.0%

Health indicators

Condition	%
Obesity	34.4%
High blood pressure	33.3%
High cholesterol	30.4%
Diabetes	11.1%
Heart disease	6.3%
Stroke	3.4%
Asthma	10.7%
Arthritis	26.4%
Kidney disease	3.1%
Pulmonary disease	7.8%
Cancer	5.9%

Behavior / access	%
Smoking	21.2%
Binge drinking	14.2%
No physical activity	27.3%
Less than 7 hrs sleep	35.0%
Depression	18.2%
Fair or poor health	17.4%
Poor mental health	14.6%
Poor physical health	11.3%
No health insurance	13.9%
Visited doctor (checkup)	77.9%
Visited dentist	59.8%
Cholesterol screening	87.2%
Teeth loss	18.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	881	9.0%

Disability	%
Any disability	14.3%
Under 18	3.8%
18–64 years	12.9%
65 and over	35.5%

Health insurance coverage

Type	%
Private insurance	49.5%
Public insurance	56.4%
No insurance	9.9%
Uninsured under 19	3.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	12,403	92.3%
Spanish	655	5.3%
Other Indo-European	599	4.8%
Asian & Pacific Islander	34	0.3%
Other languages	1	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	12,591	93.7%
Born in same state	12,273	91.3%
Born in different state	9,504	70.7%
Foreign born	318	2.4%
Naturalized citizen	851	6.3%
Not a US citizen	484	56.9%

Ancestry

Ancestry	Count	%
Italian	1,362	10.1%
French	794	5.9%
Arab	488	3.6%
Polish	128	1%

Ancestry	Count	%
English	97	0.7%
German	59	0.4%
Irish	12	0.1%
Dutch	6	0%

Technology access

Metric	% of households
Computer access	41.5%
Internet access	85.1%

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

Frequently asked questions about ZIP code 61866

What city is ZIP code 61866 in?

ZIP code 61866 is primarily assigned to Rantoul, Illinois.

What county is ZIP code 61866 in?

ZIP code 61866 falls within Champaign County, Illinois.

What is the poverty rate in ZIP code 61866?

20% of residents in ZIP code 61866 live below the poverty line, above the national average.

How educated is the population of ZIP code 61866?

13% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Does ZIP code 61866 have a large retiree population?

37% of households in ZIP code 61866 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 61866?

The median home value in ZIP code 61866 is $105,200.

What timezone is ZIP code 61866 in?

ZIP code 61866 observes the CST timezone.