ZIP Code 61931

standard

Source:

Humboldt · Coles County · Illinois

Population
1,255

15/sq mi

Median income
$74,125

▼ 3% vs US

higher than 53% of US ZIPs

Median home value
$135,000

▼ 51% vs US

higher than 21% of US ZIPs

Bachelor's or higher
17.0%

Median age 38.8

Land area
82.6 sq mi

Chicago

ZIP code 61931 in Humboldt, Illinois has a population of 1,255. The median household income is $74,125, which is 3% below the national average. Median home value is $135,000, 51% below the US average. 17.0% of residents hold a bachelor's degree or higher.

ZIP code 61931 is classified by USPS as a standard delivery area and covers roughly 82.6 square miles in Humboldt, Coles County, Illinois. The area is home to 1,255 residents, producing a population density of 15 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 61931 against Illinois and the nation.

On the economic side, the median household income for ZIP 61931 sits at $74,125 (7% below the Illinois average), while per-capita income is $32,710. The poverty rate stands at 7.4% and the unemployment rate at 8.3%. On housing, the median home value is $135,000 (30% below the state average) with median rent at $851 per month, and 78.6% of occupied units are owner-occupied, a direct signal of whether 61931 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 17.0% of adults hold a bachelor's degree or higher, the median age is 38.8, and the average commute is . We also surface 3 nearby ZIP codes within roughly 10 miles and 4 additional ZIPs sharing Coles County, so you can benchmark 61931 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 61931, Humboldt, IL · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

1,255

Population

82.6

Area (sq mi)

15

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 61931?

38.8

Median Age

49.6%

Male

50.4%

Female

5.9%

Foreign-Born

White 85.0%
African American 0.1%
Asian 0.2%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 8.7%
Hispanic or Latino 14.4%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$74,125

Median Household Income

-7% vs state

$32,710

Per Capita Income

7.4%

Poverty Rate

8.3%

Unemployment Rate

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 53.6%
Bachelor's Degree or Higher 17.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

513

Total Housing Units

501

Occupied Units

12

Vacant Units

2.69

Avg Household Size

Occupancy Type

Owner 78.6%
Renter 21.4%

$135,000

Median Home Value

-30% vs state

$851

Median Rent

1979

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 16 business establishments in ZIP 61931, employing approximately 46 people with a combined annual payroll of $1,902,000.

16

Businesses

46

Employees

$1.9M

Annual Payroll

2

Industry Sectors

Industry Establishments % of Total
Construction 6 37.5%
Wholesale trade 3 18.8%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 61931 vs 61938 →

ZIP Code City Population Distance
61938 Mattoon, IL 22,409 7.4 mi
61910 Arcola, IL 4,463 6.5 mi
61911 Arthur, IL 4,860 10.0 mi

More ZIP Codes in Coles County

Frequently Asked Questions

What county is ZIP code 61931 in?
ZIP code 61931 (Humboldt) is located in Coles County, Illinois. Coles County contains multiple ZIP codes, see the full list at /counties/coles-il.
What is the population of ZIP code 61931?
ZIP code 61931 in Humboldt, IL has a population of 1,255 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 61931?
The median household income in ZIP 61931 is $74,125, which is 3% below the national average of $76,288.
What is the average home value in ZIP 61931?
The median home value in ZIP 61931 is $135,000, which is 51% below the national average of $278,155.
What is the demographic makeup of ZIP 61931?
The largest racial group in ZIP 61931 is White at 85.0%. Hispanic or Latino residents make up 14.4% of the population.
How many businesses are in ZIP code 61931?
ZIP code 61931 has 16 business establishments employing approximately 46 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 61931?
In ZIP code 61931, 53.6% of residents aged 25+ have a high school diploma or higher, and 17.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 61931?
In ZIP code 61931, approximately 78.6% of occupied housing units are owner-occupied and 21.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 61931?
The poverty rate in ZIP code 61931 is 7.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Official Data Resources for Humboldt, IL

Verify and explore additional data for this area using these official government sources.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.