ZIP Code 62921
About Colp
Colp is a village in Williamson County, Illinois, United States. As of the 2020 census, Colp had a population of 168. A mining town, it had segregated schools including a high school for African Americans in Herrin Township that won a state championship in 1941. It competed on the Southern Illinois Conference of Colored Schools. The school closed in 1953 in the wake of integration. Its gym was demolished in 2025.
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Area Profile
US Census (ACS 5-year · Gazetteer)
200
population
$36,250
median household income
374
people / sq mi
$75,000
median home value
42.7
median age
142
housing units
100
households
0.5
land area (sq mi)