61873 ZIP Code — Saint Joseph, IL

Champaign County, Illinois

ZIP code 61873 is located in Saint Joseph, Illinois, within Champaign County. It covers approximately 63.69 square miles and serves a population of 5,811 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 217.

About ZIP code 61873

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $228,700. Owner-occupancy is high at 86%, well above the national average.

Median household income is $101,662. The poverty rate of 7% is below the national average. 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 26 minutes is near the national average.

Educational attainment is near the national average, with 35% of residents holding a bachelor's degree or higher.

Overall, ZIP code 61873 reflects a community defined by high homeownership and a significant Social Security-dependent population.

5,811

population

63.69

sq mi land

Standard

ZIP type

Central (CT)

timezone

61873 ZIP code map

Cities in ZIP code 61873

Below are the cities the US Postal Service accepts for ZIP code 61873. Using any city not on this list may result in mail delivery delays.

City	Status
Saint Joseph	Preferred

Nearby ZIP codes

61859 Ogden (3.1 mi) 61802 Urbana (6.7 mi) 61844 Fithian (8.4 mi) 61878 Thomasboro (9.4 mi) 61849 Homer (9.4 mi) 61801 Urbana (9.8 mi) 61812 Armstrong (10.3 mi) 61877 Sidney (10.7 mi) 61820 Champaign (11.3 mi) 61847 Gifford (11.6 mi) 61862 Penfield (12.2 mi) 61874 Savoy (12.8 mi)

Demographics updated 05/2026

Population
Total population	5,811
Population density	91 / sq mi
State FIPS	17
County FIPS	019

Geography
Land area	63.69 sq mi
Water area	0.42 sq mi
Latitude	40.1451
Longitude	-88.0315
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	25.6%	46.9%	37.2%
$50k – $100k	28.0%	27.3%	29.6%
$100k – $200k	41.7%	19.9%	24.4%
Over $200k	4.7%	5.9%	8.8%

Demographics & statistics

5,811

Population

People per sq mi

40.0

Median age

$101,662

Median household income

$42,954

Per capita income

$228,700

Median home value

$773

Median monthly rent

86.1%

Home ownership

6.9%

Poverty rate

4.9%

Unemployment

1,948

Housing units

35.4%

Bachelor's or higher

Age distribution

Male Female

150

Under 5

163

129

5–9

141

330

10–14

359

204

15–19

221

113

20–24

122

257

25–34

279

422

35–44

458

288

45–54

313

149

55–59

162

268

60–64

290

345

65–74

375

102

75–84

110

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,571	27.0%
18 and over	4,240	73.0%
65 and over	993	17.1%
Median age	40.0 years

Race & ethnicity

White 95.4%

Two or more races 2.1%

Asian 1.4%

Black or African American 0.5%

Hispanic or Latino 0.5%

American Indian / Alaska Native 0.1%

Group	Count	%
White	5,569	95.4%
Two or more races	124	2.1%
Asian	80	1.4%
Black or African American	32	0.5%
Hispanic or Latino	27	0.5%
American Indian / Alaska Native	6	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	25.6%	46.9%	37.2%
$50k – $100k	28.0%	27.3%	29.6%
$100k – $200k	41.7%	19.9%	24.4%
Over $200k	4.7%	5.9%	8.8%

Under $10k 4.9%

$15k–$25k 4.6%

$25k–$35k 6.1%

$35k–$50k 8.1%

$50k–$75k 15.5%

$75k–$100k 8.0%

$100k–$150k 25.5%

$150k–$200k 19.4%

$200k+ 8.0%

Range	% of households
Under $10k	4.9%
$15k–$25k	4.6%
$25k–$35k	6.1%
$35k–$50k	8.1%
$50k–$75k	15.5%
$75k–$100k	8.0%
$100k–$150k	25.5%
$150k–$200k	19.4%
$200k+	8.0%
Median income	$101,662

Housing

Home values

Under $50k 3.9%

$50k–$100k 2.1%

$100k–$150k 8.0%

$150k–$200k 21.1%

$200k–$300k 33.8%

$300k–$500k 28.4%

$500k–$1M 2.7%

Housing overview

Metric	Value
Median home value	$228,700
Median rent / month	$773
Owner occupied	86.1%
Renter occupied	13.9%
Vacant	3.7%
Single-family detached	91.2%
Large apartment buildings	0.0%
Mobile homes	1.9%
Median rooms	6.6
Avg household size (owned)	2.84

Year built

Era	%
2020 or later	0.0%
2010–2019	3.0%
2000–2009	32.3%
1990–1999	13.6%
1980–1989	8.5%
1970–1979	20.2%
1960–1969	6.3%
1950–1959	9.1%
1940–1949	0.0%
1939 or earlier	7.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.7%
1 bedroom	2.3%
2 bedrooms	8.1%
3 bedrooms	50.8%
4 bedrooms	23.0%
5+ bedrooms	15.1%

Vehicles per household

Vehicles	% of households
No vehicle	0.7%
1 vehicle	21.6%
2 vehicles	42.5%
3 or more	35.2%

Heating fuel

Fuel type	%
Utility gas	55.0%
Electricity	34.4%
Propane / LP gas	10.4%
Wood	0.2%

Households & families

Household type	Count	%
Married-couple family	1,243	57.4%
Cohabiting couple	127	5.9%
Male householder, no spouse	209	9.7%
Female householder, no spouse	586	27.1%
Households with children under 18	771	35.6%
Households with seniors (65+)	729	33.7%
Average household size	2.68

Marital status

Status	Male	Female
Never married	26.6%	20.5%
Married	60.9%	53.4%
Separated	0.0%	0.6%
Widowed	1.2%	12.3%
Divorced	11.3%	13.2%

Education

Less than 9th grade 0.4%

Some HS, no diploma 0.2%

HS graduate 24.9%

Some college, no degree 22.2%

Associate's degree 17.0%

Bachelor's degree 21.8%

Graduate / professional 13.6%

Metric	%
HS diploma or higher	99.4%
Bachelor's or higher	35.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	91	5.7%
Kindergarten	9	0.6%
Elementary school	851	53.6%
High school	434	27.3%
College / grad school	203	12.8%

Employment

Industry of employment

Education & healthcare 37.1%

Retail trade 13.1%

Professional & management 9.8%

Construction 8.1%

Other services 7.3%

Finance & real estate 6.9%

Public administration 5.3%

Arts, food & hospitality 4.4%

Agriculture & mining 2.8%

Information 1.8%

Transportation & utilities 1.3%

Manufacturing 1.1%

Wholesale trade 1.0%

Occupation

Category	%
Management, business & arts	45.4%
Service	15.0%
Sales & office	23.7%
Natural resources & construction	7.4%
Production & transportation	8.5%

Employment type

Type	%
Private sector	66.6%
Government	29.9%
Self-employed	3.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	82.5%
Carpool	3.4%
Public transit	0.1%
Walk	0.8%
Work from home	12.2%
Other means	1.0%
Avg commute (minutes)	25.6

Poverty

All people 6.9%

Under 18 years 3.9%

18 and over 7.9%

Married-couple families 2.4%

Female-led households 4.3%

Income support

Source	% of households
Social Security	31.9%
Retirement income	34.2%
Supplemental Security	1.7%
Cash public assistance	1.5%
Food stamps / SNAP	2.4%

Health indicators

Condition	%
Obesity	28.8%
High blood pressure	27.5%
High cholesterol	29.6%
Diabetes	7.6%
Heart disease	4.9%
Stroke	2.2%
Asthma	9.0%
Arthritis	23.4%
Kidney disease	2.2%
Pulmonary disease	5.2%
Cancer	6.3%

Behavior / access	%
Smoking	15.4%
Binge drinking	17.0%
No physical activity	18.2%
Less than 7 hrs sleep	30.7%
Depression	17.3%
Fair or poor health	10.0%
Poor mental health	12.2%
Poor physical health	7.8%
No health insurance	8.4%
Visited doctor (checkup)	76.5%
Visited dentist	73.2%
Cholesterol screening	90.7%
Teeth loss	9.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	226	5.3%

Disability	%
Any disability	10.3%
Under 18	0.9%
18–64 years	9.6%
65 and over	27.3%

Health insurance coverage

Type	%
Private insurance	84.8%
Public insurance	23.8%
No insurance	5.7%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,498	94.6%
Spanish	71	1.3%
Other Indo-European	33	0.6%
Asian & Pacific Islander	0	0.0%
Other languages	38	0.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,688	97.9%
Born in same state	5,629	96.9%
Born in different state	4,647	80.0%
Foreign born	59	1.0%
Naturalized citizen	123	2.1%
Not a US citizen	69	56.1%

Ancestry

Ancestry	Count	%
French	662	11.4%
Italian	571	9.8%
Arab	318	5.5%

Ancestry	Count	%
German	153	2.6%
Polish	53	0.9%
English	47	0.8%

Technology access

Metric	% of households
Computer access	37.3%
Internet access	98.3%

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

Frequently asked questions about ZIP code 61873

What city is ZIP code 61873 in?

ZIP code 61873 is primarily assigned to Saint Joseph, Illinois.

What county is ZIP code 61873 in?

ZIP code 61873 falls within Champaign County, Illinois.

Is ZIP code 61873 mostly owner-occupied?

86% of occupied units in ZIP code 61873 are owner-occupied, well above the national average.

What is the population of ZIP code 61873?

ZIP code 61873 has an estimated population of 5,811 residents, with a density of 91 people per square mile.

What is the median household income in ZIP code 61873?

The median household income in ZIP code 61873 is $101,662, above the national median of ~$75,000.

What is the typical home value in ZIP code 61873?

The median home value in ZIP code 61873 is $228,700.

What timezone is ZIP code 61873 in?

ZIP code 61873 observes the CST timezone.