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Illinois ZIP Codes
Champaign County
Thomasboro, IL
61878
61878 ZIP Code — Thomasboro, IL
Champaign County, Illinois
ZIP code 61878 is located in
Thomasboro ,
Illinois ,
within Champaign County .
It covers approximately 28.04 square miles and serves a population of
1,217 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 217 .
About ZIP code 61878
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 $115,400. Owner-occupancy is high at 82%, well above the national average.
The gap between median ($70,441) and mean household income suggests income inequality — a small number of higher earners pull the average up. 32% 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 21 minutes is near the national average.
Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.
Notable community characteristics include a notable veteran presence at 14% of civilians, above the national average of 7%.
Overall, ZIP code 61878 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.
61878 ZIP code map
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Cities in ZIP code 61878
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
1,217
Population density
43 / sq mi
State FIPS
17
County FIPS
019
Geography
Land area
28.04 sq mi
Water area
0.02 sq mi
Latitude
40.2418
Longitude
-88.1560
Timezone
Central (CT)
Area code
217
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
37.0%
46.9%
37.2%
$50k – $100k
28.6%
27.3%
29.6%
$100k – $200k
31.6%
19.9%
24.4%
Over $200k
2.9%
5.9%
8.8%
Demographics & statistics
$70,441
Median household income
$115,400
Median home value
23.0%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 192 15.8%
18 and over 1,025 84.2%
65 and over 287 23.6%
Median age 49.3 years
Race & ethnicity
Black or African American
2.4%
American Indian / Alaska Native
0.4%
Group Count %
White 1,113 89.2%
Two or more races 54 4.3%
Hispanic or Latino 31 2.5%
Black or African American 30 2.4%
Other race 11 0.9%
American Indian / Alaska Native 5 0.4%
Asian 4 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
37.0%
46.9%
37.2%
$50k – $100k
28.6%
27.3%
29.6%
$100k – $200k
31.6%
19.9%
24.4%
Over $200k
2.9%
5.9%
8.8%
Range % of households
Under $10k 6.1%
$10k–$15k 4.3%
$15k–$25k 3.8%
$25k–$35k 9.2%
$35k–$50k 14.4%
$50k–$75k 15.8%
$75k–$100k 6.1%
$100k–$150k 17.1%
$150k–$200k 10.8%
$200k+ 12.4%
Median income $70,441
Housing
Housing overview
Metric Value
Median home value $115,400
Median rent / month $825
Owner occupied 82.4%
Renter occupied 17.6%
Vacant 9.2%
Single-family detached 82.7%
Large apartment buildings 0.0%
Mobile homes 3.9%
Median rooms 6.2
Avg household size (owned) 2.24
Year built
Era %
2020 or later 0.0%
2010–2019 2.1%
2000–2009 16.2%
1990–1999 8.2%
1980–1989 9.5%
1970–1979 32.8%
1960–1969 18.1%
1950–1959 3.8%
1940–1949 1.5%
1939 or earlier 7.8%
Bedrooms
Size % of units
No bedroom (studio) 1.6%
1 bedroom 1.6%
2 bedrooms 25.8%
3 bedrooms 58.7%
4 bedrooms 9.5%
5+ bedrooms 2.8%
Vehicles per household
Vehicles % of households
No vehicle 1.4%
1 vehicle 38.1%
2 vehicles 36.0%
3 or more 24.5%
Heating fuel
Fuel type %
Utility gas 72.5%
Electricity 15.3%
Propane / LP gas 11.3%
Households & families
Household type Count %
Married-couple family 310 55.8%
Cohabiting couple 21 3.8%
Male householder, no spouse 81 14.6%
Female householder, no spouse 144 25.9%
Households with children under 18 110 19.8%
Households with seniors (65+) 188 33.8%
Average household size 2.19
Marital status
Status Male Female
Never married 22.1% 18.4%
Married 65.8% 58.3%
Separated 0.6% 0.0%
Widowed 5.8% 10.3%
Divorced 5.8% 13.1%
Education
Some college, no degree
24.9%
Graduate / professional
5.1%
Metric %
HS diploma or higher 94.9%
Bachelor's or higher 23.0%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 16 8.1%
Kindergarten 8 4.0%
Elementary school 88 44.4%
High school 30 15.2%
College / grad school 56 28.3%
Employment
Industry of employment
Education & healthcare
28.3%
Finance & real estate
10.7%
Public administration
7.8%
Transportation & utilities
5.1%
Arts, food & hospitality
4.8%
Professional & management
4.3%
Agriculture & mining
4.0%
Occupation
Category %
Management, business & arts 39.9%
Service 8.5%
Sales & office 20.2%
Natural resources & construction 20.7%
Production & transportation 10.7%
Employment type
Type %
Private sector 71.6%
Government 25.2%
Self-employed 3.3%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 83.5%
Carpool 7.9%
Public transit 0.0%
Walk 4.0%
Work from home 4.6%
Other means 0.0%
Avg commute (minutes) 21.2
Poverty
Married-couple families
2.3%
Female-led households
15.1%
Income support
Source % of households
Social Security 32.2%
Retirement income 29.9%
Supplemental Security 2.3%
Cash public assistance 2.3%
Food stamps / SNAP 5.9%
Health indicators
Condition %
Obesity 30.0%
High blood pressure 32.2%
High cholesterol 34.2%
Diabetes 9.8%
Heart disease 6.4%
Stroke 3.0%
Asthma 9.5%
Arthritis 27.4%
Kidney disease 2.8%
Pulmonary disease 7.0%
Cancer 7.1%
Behavior / access %
Smoking 17.5%
Binge drinking 15.2%
No physical activity 22.0%
Less than 7 hrs sleep 31.4%
Depression 17.6%
Fair or poor health 13.0%
Poor mental health 12.7%
Poor physical health 9.6%
No health insurance 9.9%
Visited doctor (checkup) 77.8%
Visited dentist 68.9%
Cholesterol screening 90.0%
Teeth loss 12.6%
Veterans & disability
Veterans Count %
Civilian veterans 138 13.5%
Disability %
Any disability 11.9%
Under 18 0.0%
18–64 years 10.7%
65 and over 22.6%
Health insurance coverage
Type %
Private insurance 72.7%
Public insurance 41.4%
No insurance 4.9%
Uninsured under 19 2.5%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,147 94.2%
Spanish 15 1.3%
Other Indo-European 4 0.3%
Asian & Pacific Islander 3 0.3%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 1,142 93.8%
Born in same state 1,135 93.3%
Born in different state 885 72.7%
Foreign born 7 0.6%
Naturalized citizen 75 6.2%
Not a US citizen 12 16.0%
Ancestry
Ancestry Count %
Italian 146 12%
French 92 7.6%
Arab 77 6.3%
Ancestry Count %
Polish 25 2.1%
English 9 0.7%
German 3 0.2%
Technology access
Metric % of households
Computer access 45.7%
Internet access 95.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 61878
What city is ZIP code 61878 in?
ZIP code 61878 is primarily assigned to Thomasboro, Illinois.
What county is ZIP code 61878 in?
ZIP code 61878 falls within Champaign County, Illinois.
Is ZIP code 61878 mostly owner-occupied?
82% of occupied units in ZIP code 61878 are owner-occupied, well above the national average.
Does ZIP code 61878 have a large veteran population?
14% of civilians in ZIP code 61878 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 61878?
The median home value in ZIP code 61878 is $115,400.
What is the population of ZIP code 61878?
ZIP code 61878 has an estimated population of 1,217 residents, with a density of 43 people per square mile.
What timezone is ZIP code 61878 in?
ZIP code 61878 observes the CST timezone.
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