ZIP Code 61931
standardSource:
Humboldt · Coles County · Illinois
- Population
- 1,255
- Median income
- $74,125
- Median home value
- $135,000
- Bachelor's or higher
- 17.0%
- Land area
- 82.6 sq mi
15/sq mi
▼ 3% vs US
higher than 53% of US ZIPs
▼ 51% vs US
higher than 21% of US ZIPs
Median age 38.8
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
Who lives in ZIP 61931?
38.8
Median Age
49.6%
Male
50.4%
Female
5.9%
Foreign-Born
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?
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
$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 →
More ZIP Codes in Coles County
Related Areas
Frequently Asked Questions
What county is ZIP code 61931 in? ▼
What is the population of ZIP code 61931? ▼
What is the median household income in ZIP 61931? ▼
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What is the demographic makeup of ZIP 61931? ▼
How many businesses are in ZIP code 61931? ▼
What is the education level in ZIP code 61931? ▼
What percentage of residents own vs. rent in ZIP 61931? ▼
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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.
Read our methodology , how this data is sourced, computed, and verified.