PlainZIP

Collison, IL · standard

ZIP Code 61831

Vermilion County, Illinois - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

157
5/sq mi
$103,750
Median income
$180,000
Median home value
12.9%
Bachelor's or higher

The verdict

Collison pairs an upper-quartile household income with below-median home values, in a rural, homeowner-dominated area.

Top 17%
household income, US ZIPs
38th pct
home value, US ZIPs
5
people per sq mi
100%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 61831 against every reporting US ZIP.

ZIP code 61831 is a sparsely populated ZIP (a standard USPS delivery area) in Collison, Vermilion County, Illinois, home to just 157 residents across 30.2 square miles, a density of 5 people per square mile, in the Chicago time zone.

ZIP 61831 lands in the middle-income range, with a median household income of $103,750 (30% above the Illinois average), while per-capita income is $54,856. Local economic indicators show a 3.1% poverty rate alongside 0.0% unemployment. Housing costs here run $180,000 for a typical home value (6% below the state average), with rent averaging - a month; 100.0% of homes are owner-occupied.

Formal educational attainment runs low here: just 12.9% of adults hold a bachelor's degree or higher, the median age is 60.7, and the average commute is -. Beyond these figures, 8 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Vermilion County, letting you compare 61831 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 61831, Collison, IL · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

157

Population

30.2

Area (sq mi)

5

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 61831?

60.7

Median Age

58.1%

Male

41.9%

Female

0.0%

Foreign-Born

White 100.0%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.0%
Hispanic or Latino 0.0%

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?

$103,750

Median Household Income

+30% vs state

$54,856

Per Capita Income

3.1%

Poverty Rate

0.0%

Unemployment Rate

How ZIP 61831 ranks nationally

Collison, IL household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$103,750 Top 17% higher than 83% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

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

What is the education profile here?

High School Graduate or Higher 65.9%
Bachelor's Degree or Higher 12.9%

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

What does housing look like?

108

Total Housing Units

88

Occupied Units

20

Vacant Units

1.82

Avg Household Size

Occupancy Type

Owner 100.0%
Renter 0.0%

$180,000

Median Home Value

-6% vs state

1949

Median Year Built

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

Nearby ZIP Codes

Want a side-by-side? Compare 61831 vs 61865 →

ZIP 61831 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 61831 ranks #8 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 61831 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 61831 ranks #2 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
61865 Potomac, IL 1,391 5.5 mi
61858 Oakwood, IL 3,124 6.5 mi
61812 Armstrong, IL 375 5.3 mi
61857 Muncie, IL 153 7.9 mi
61844 Fithian, IL 970 7.3 mi
61848 Henning, IL 227 7.4 mi
61833 Tilton, IL 2,124 11.7 mi
60963 Rossville, IL 1,807 12.4 mi

More ZIP Codes in Vermilion County

61832 standard
Danville, IL
Pop: 37,290
61834 standard
Danville, IL
Pop: 8,454
60942 standard
Hoopeston, IL
Pop: 6,181
61846 standard
Georgetown, IL
Pop: 5,101
61883 standard
Westville, IL
Pop: 4,438
61858 standard
Oakwood, IL
Pop: 3,124

Related Areas

Vermilion County Collison, IL Illinois

Frequently Asked Questions

What county is ZIP code 61831 in? ▼
ZIP code 61831 (Collison) is located in Vermilion County, Illinois. Vermilion County contains multiple ZIP codes, see the full list at /counties/vermilion-il.
What is the population of ZIP code 61831? ▼
ZIP code 61831 in Collison, IL has a population of 157 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 61831? ▼
The median household income in ZIP 61831 is $103,750, which is 36% above the national average of $76,288.
What is the average home value in ZIP 61831? ▼
The median home value in ZIP 61831 is $180,000, which is 35% below the national average of $278,155.
What is the demographic makeup of ZIP 61831? ▼
The largest racial group in ZIP 61831 is White at 100.0%.
What is the education level in ZIP code 61831? ▼
In ZIP code 61831, 65.9% of residents aged 25+ have a high school diploma or higher, and 12.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the poverty rate in ZIP code 61831? ▼
The poverty rate in ZIP code 61831 is 3.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.