Humboldt ZIP Codes — Coles County, IL

There is one unique ZIP code in Humboldt, Illinois and it is 61931. Area code: 217.

ZIP codes

32.56

sq mi land

0.02

sq mi water

217

area code

Humboldt, IL ZIP code map

About Humboldt, IL

Humboldt, IL, is a small but vibrant community located in Coles County within the state of Illinois. Known for its picturesque rural landscapes and close-knit atmosphere, Humboldt offers residents and visitors alike a peaceful retreat from the hustle and bustle of urban life. This quaint town, with its unique charm and friendly locals, embodies the spirit of Midwestern living.

Location & geography

Humboldt is situated in east-central Illinois, providing a picturesque view of the surrounding countryside. It is conveniently located approximately 30 miles northeast of Charleston, 25 miles northwest of Mattoon, and about 35 miles southwest of Decatur. The town spans a land area of 32.56 square miles, with a minimal water area of 0.02 square miles, showcasing its predominantly dry terrain.

Community & economy

The character of Humboldt is defined by its welcoming residents and strong community bonds, exemplifying the classic rural lifestyle of the region. The local economy thrives on agriculture, with many residents engaged in farming and related industries. Daily life in Humboldt reflects a blend of traditional values and modern conveniences, fostering a sense of belonging among its inhabitants.

Transportation

Humboldt is accessible via several highways, including U.S. Route 45, facilitating travel to nearby cities. The nearest airport serving commercial flights is in Mattoon, which is approximately 25 miles away. Public transportation options are limited, making personal vehicles the most common mode of travel in this rural area.

History

Humboldt was founded in the 19th century and has since developed a rich agricultural history, serving as a hub for farming activities in Coles County. The economy has traditionally revolved around agriculture, with notable events over the years highlighting the community's commitment to farming and rural heritage. While not widely known, Humboldt has a fascinating past that reflects the evolution of small towns in Illinois.

Did you know?

One surprising fact about Humboldt is that despite its small size, it has a strong agricultural presence that has shaped its identity over the decades. Additionally, the town's close-knit community often comes together to celebrate local events, preserving its cultural heritage.

ZIP codes for Humboldt, IL (1)

ZIP code	City	County	Map
61931	Humboldt	Coles	View map

Demographics & statistics

1,336

Population

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

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%
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	%
High blood pressure	32.3%
High cholesterol	32.8%
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	%
Binge drinking	15.8%
No physical activity	24.7%
Less than 7 hrs sleep	33.0%
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%
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

What ZIP codes does Humboldt, IL have?

Humboldt, IL has one ZIP code: 61931. Each ZIP code serves a distinct delivery area within the city and surrounding region.