Home > IL > Williamson County > Colp > Zip 62921

Zip Code 62921 — Colp, IL

62921 is a ZIP Code associated with Colp, IL, located within Williamson. The postal region supports an estimated population of 233 residents across Data Pending housing units, with a population density of 168.0 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (37.802170, -89.082150)

Data Metric	Local Statistic
Postal / Zip Code	62921
Primary City	Colp
State / Province	IL
County	Williamson
Total Population	233
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	168.0 people/sq mi
Timezone	America/Chicago

How 62921 Compares

Metric	ZIP 62921	Williamson County	IL State Average
Population	233	67,368	12,694,745
Median Income	Data Pending	N/A	N/A
Population Density	168.0 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 62918	Carterville	1.2 mi	10,658	N/A
Zip 62915	Cambria	2.5 mi	384	N/A
Zip 62948	Herrin	3.3 mi	12,758	N/A
Zip 62949	Hurst	3.8 mi	702	N/A
Zip 62933	Energy	3.9 mi	1,101	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →