61931 ZIP Code — Humboldt, IL

Coles County, Illinois

ZIP code 61931 is located in Humboldt, Illinois, within Coles County. It covers approximately 32.56 square miles and serves a population of 1,336 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 217.

About ZIP code 61931

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 $116,800. Owner-occupancy is high at 79%, well above the national average.

Median household income is $61,750. SNAP benefit usage at 17% of households reflects economic stress in the area. 46% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 23 minutes is near the national average.

College attainment at 11% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 61931 reflects a community defined by a trades-oriented workforce, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

1,336

population

32.56

sq mi land

Standard

ZIP type

Central (CT)

timezone

61931 ZIP code map

Cities in ZIP code 61931

Below are the cities the US Postal Service accepts for ZIP code 61931. Using any city not on this list may result in mail delivery delays.

City	Status
Humboldt	Preferred

Nearby ZIP codes

61910 Arcola (6.1 mi) 61911 Arthur (8.2 mi) 61938 Mattoon (8.6 mi) 61920 Charleston (11.8 mi) 61951 Sullivan (12.5 mi) 61930 Hindsboro (13.5 mi) 61953 Tuscola (14.1 mi) 62440 Lerna (14.7 mi) 62469 Trilla (15.8 mi) 61913 Atwood (16.5 mi) 61919 Camargo (17 mi) 61957 Windsor (17.2 mi)

Demographics updated 05/2026

Population
Total population	1,336
Population density	41 / sq mi
State FIPS	17
County FIPS	029

Geography
Land area	32.56 sq mi
Water area	0.02 sq mi
Latitude	39.6010
Longitude	-88.3521
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	53.9%	52.8%	37.2%
$50k – $100k	37.6%	29.3%	29.6%
$100k – $200k	8.5%	15.4%	24.4%
Over $200k	0.0%	2.5%	8.8%

Demographics & statistics

1,336

Population

People per sq mi

35.9

Median age

$61,750

Median household income

$27,419

Per capita income

$116,800

Median home value

$842

Median monthly rent

78.6%

Home ownership

9.3%

Poverty rate

13.2%

Unemployment

391

Housing units

11.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

104

10–14

116

15–19

20–24

25–34

35–44

106

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	455	34.1%
18 and over	881	65.9%
65 and over	287	21.5%
Median age	35.9 years

Race & ethnicity

White 83.9%

Hispanic or Latino 7.9%

Two or more races 5.4%

Other race 2.7%

Black or African American 0.1%

Group	Count	%
White	1,218	83.9%
Hispanic or Latino	115	7.9%
Two or more races	78	5.4%
Other race	39	2.7%
Black or African American	1	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	53.9%	52.8%	37.2%
$50k – $100k	37.6%	29.3%	29.6%
$100k – $200k	8.5%	15.4%	24.4%
Over $200k	0.0%	2.5%	8.8%

Under $10k 1.6%

$10k–$15k 0.4%

$15k–$25k 11.2%

$25k–$35k 9.2%

$35k–$50k 21.6%

$50k–$75k 21.2%

$75k–$100k 14.3%

$100k–$150k 8.4%

$150k–$200k 12.0%

Range	% of households
Under $10k	1.6%
$10k–$15k	0.4%
$15k–$25k	11.2%
$25k–$35k	9.2%
$35k–$50k	21.6%
$50k–$75k	21.2%
$75k–$100k	14.3%
$100k–$150k	8.4%
$150k–$200k	12.0%
Median income	$61,750

Housing

Home values

Under $50k 15.3%

$50k–$100k 27.5%

$100k–$150k 12.2%

$150k–$200k 19.2%

$200k–$300k 10.1%

$300k–$500k 15.3%

$1M+ 0.3%

Housing overview

Metric	Value
Median home value	$116,800
Median rent / month	$842
Owner occupied	78.6%
Renter occupied	21.4%
Vacant	1.2%
Single-family detached	92.7%
Large apartment buildings	0.0%
Mobile homes	6.3%
Median rooms	5.5
Avg household size (owned)	2.80

Year built

Era	%
2020 or later	0.0%
2010–2019	3.8%
2000–2009	25.0%
1990–1999	6.3%
1980–1989	9.7%
1970–1979	22.2%
1960–1969	4.8%
1950–1959	13.7%
1940–1949	8.3%
1939 or earlier	6.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.6%
2 bedrooms	18.5%
3 bedrooms	78.6%
4 bedrooms	1.2%
5+ bedrooms	1.0%

Vehicles per household

Vehicles	% of households
No vehicle	1.4%
1 vehicle	31.8%
2 vehicles	38.0%
3 or more	28.8%

Heating fuel

Fuel type	%
Utility gas	36.7%
Electricity	43.5%
Propane / LP gas	7.6%
Wood	4.3%

Households & families

Household type	Count	%
Married-couple family	211	43.1%
Cohabiting couple	60	12.2%
Male householder, no spouse	81	16.5%
Female householder, no spouse	138	28.2%
Households with children under 18	211	43.1%
Households with seniors (65+)	214	43.7%
Average household size	2.73

Marital status

Status	Male	Female
Never married	16.3%	12.2%
Married	63.2%	47.9%
Separated	0.5%	3.2%
Widowed	4.3%	16.4%
Divorced	15.8%	20.3%

Education

Less than 9th grade 7.9%

Some HS, no diploma 2.0%

HS graduate 47.2%

Some college, no degree 23.4%

Associate's degree 8.1%

Bachelor's degree 10.2%

Graduate / professional 1.2%

Metric	%
HS diploma or higher	90.2%
Bachelor's or higher	11.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	17	4.4%
Kindergarten	39	10.1%
Elementary school	269	69.7%
High school	52	13.5%
College / grad school	9	2.3%

Employment

Industry of employment

Education & healthcare 22.4%

Manufacturing 18.0%

Retail trade 14.0%

Agriculture & mining 13.0%

Arts, food & hospitality 10.0%

Transportation & utilities 8.2%

Other services 4.6%

Construction 4.0%

Finance & real estate 3.4%

Wholesale trade 1.0%

Public administration 0.6%

Information 0.4%

Professional & management 0.4%

Occupation

Category	%
Management, business & arts	9.0%
Service	40.0%
Sales & office	11.2%
Natural resources & construction	18.6%
Production & transportation	21.2%

Employment type

Type	%
Private sector	85.4%
Government	2.8%
Self-employed	11.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.8%
Carpool	14.3%
Public transit	0.0%
Walk	4.9%
Work from home	0.7%
Other means	5.4%
Avg commute (minutes)	23.1

Poverty

All people 9.3%

Under 18 years 9.1%

18 and over 9.4%

Married-couple families 2.4%

Female-led households 7.6%

Income support

Source	% of households
Social Security	45.7%
Retirement income	41.8%
Supplemental Security	3.9%
Cash public assistance	2.0%
Food stamps / SNAP	17.1%

Health indicators

Condition	%
Obesity	35.6%
High blood pressure	32.3%
High cholesterol	32.8%
Diabetes	9.7%
Heart disease	6.4%
Stroke	3.0%
Asthma	9.9%
Arthritis	26.5%
Kidney disease	2.8%
Pulmonary disease	7.4%
Cancer	6.6%

Behavior / access	%
Smoking	19.9%
Binge drinking	15.8%
No physical activity	24.7%
Less than 7 hrs sleep	33.0%
Depression	18.8%
Fair or poor health	14.3%
Poor mental health	13.5%
Poor physical health	10.2%
No health insurance	11.1%
Visited doctor (checkup)	75.9%
Visited dentist	63.0%
Cholesterol screening	88.9%
Teeth loss	15.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	24	2.7%

Disability	%
Any disability	9.1%
Under 18	0.4%
18–64 years	10.4%
65 and over	19.9%

Health insurance coverage

Type	%
Private insurance	48.2%
Public insurance	63.6%
No insurance	3.3%
Uninsured under 19	2.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,257	94.1%
Spanish	70	5.6%
Other Indo-European	70	5.6%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,299	97.2%
Born in same state	1,292	96.7%
Born in different state	1,192	89.2%
Foreign born	7	0.5%
Naturalized citizen	37	2.8%
Not a US citizen	29	78.4%

Ancestry

Ancestry	Count	%
Italian	308	23.1%
French	83	6.2%

Ancestry	Count	%
Arab	66	4.9%

Technology access

Metric	% of households
Computer access	36.7%
Internet access	85.9%

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

Frequently asked questions about ZIP code 61931

What city is ZIP code 61931 in?

ZIP code 61931 is primarily assigned to Humboldt, Illinois.

What county is ZIP code 61931 in?

ZIP code 61931 falls within Coles County, Illinois.

Is ZIP code 61931 family-oriented?

34% of residents in ZIP code 61931 are under 18, reflecting a younger, family-oriented community.

How educated is the population of ZIP code 61931?

11% 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 61931 have a large retiree population?

46% of households in ZIP code 61931 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 61931?

The median home value in ZIP code 61931 is $116,800.

What timezone is ZIP code 61931 in?

ZIP code 61931 observes the CST timezone.