Colp, IL · standard
ZIP Code 62921
Williamson County, Illinois - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 375
- 190/sq mi High-density area
- $75,000
- Median home value Below-median home value
- 17.2%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Colp pairs among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 3rd pct
- home value, US ZIPs
- 190
- people per sq mi
- 77%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 62921 against every reporting US ZIP.
ZIP code 62921 is a sparsely populated ZIP (a standard USPS delivery area) in Colp, Williamson County, Illinois, home to just 375 residents across 2.0 square miles, a density of 190 people per square mile, in the Chicago time zone.
Median household income is not on file for ZIP 62921, but per-capita income is $24,685. Economic pressure is pronounced: 49.8% of residents are below the poverty line and unemployment is 10.1%. Home values sit below the statewide ZIP benchmark: the median is $75,000 (61% below the average Illinois ZIP), and median rent is $99; owner occupancy is 77.4%.
Educational attainment sits below the national norm: 17.2% of adults hold a bachelor's degree or higher, the median age is 41.5, and the average commute is -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Williamson County, so 62921 can be compared with both its immediate and county-level context.
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 62921, Colp, 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
375
Population
2.0
Area (sq mi)
190
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 62921?
41.5
Median Age
51.1%
Male
48.9%
Female
0.0%
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?
$24,685
Per Capita Income
49.8%
Poverty Rate
10.1%
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?
Housing stock: occupied vs vacant
159housing units
159
Total Housing Units
115
Occupied Units
44
Vacant Units
2.03
Avg Household Size
Occupancy Type
$75,000
Median Home Value
-61% vs state ZIP avg
$99
Median Rent
1954
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Nearby ZIP Codes
Want a side-by-side? Compare 62921 vs 62918 →
ZIP 62921 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 62948
Herrin (62948)
12,865 residents
- 62918
Carterville (62918)
9,793 residents
- 62902 4,531
Carbondale (62902)
4,531 residents
- 62924 2,809
De Soto (62924)
2,809 residents
- 62999 1,829
Zeigler (62999)
1,829 residents
- 62983 1,504
Royalton (62983)
1,504 residents
- 62933 1,230
Energy (62933)
1,230 residents
- 62949 810
Hurst (62949)
810 residents
- 62921 375
Colp (62921)
375 residents
What this shows Among its immediate neighbors, ZIP 62921 ranks #9 by population - useful context the national average alone can't give.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 62918 | Carterville, IL | 9,793 | 0.8 mi |
| 62915 | Cambria, IL | 321 | 2.3 mi |
| 62948 | Herrin, IL | 12,865 | 3.2 mi |
| 62949 | Hurst, IL | 810 | 3.8 mi |
| 62933 | Energy, IL | 1,230 | 3.8 mi |
| 62999 | Zeigler, IL | 1,829 | 6.5 mi |
| 62983 | Royalton, IL | 1,504 | 7.4 mi |
| 62841 | Freeman Spur, IL | 98 | 6.1 mi |
| 62924 | De Soto, IL | 2,809 | 6.8 mi |
| 62902 | Carbondale, IL | 4,531 | 9.7 mi |
More ZIP Codes in Williamson County
Related Areas
Frequently Asked Questions
What county is ZIP code 62921 in?
ZIP code 62921 (Colp) is located in Williamson County, Illinois. Williamson County contains multiple ZIP codes, see the full list at /counties/williamson-il.
What is the population of ZIP code 62921?
ZIP code 62921 in Colp, IL has a population of 375 according to the Census Bureau ACS 2023 estimates.
What is the average home value in ZIP 62921?
The median home value in ZIP 62921 is $75,000, which is 73% below the national average of $278,155.
What is the demographic makeup of ZIP 62921?
The largest racial group in ZIP 62921 is White at 57.9%.
What is the education level in ZIP code 62921?
In ZIP code 62921, 45.4% of residents aged 25+ have a high school diploma or higher, and 17.2% 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 62921?
In ZIP code 62921, approximately 77.4% of occupied housing units are owner-occupied and 22.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 62921?
The poverty rate in ZIP code 62921 is 49.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 62921's numbers, next.
- See how ZIP 62921 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Colp, IL ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.