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Places · place_us_il_clark_county · rev 2

Clark County

Clark County is a county of Illinois, United States.

Updated 2026-10-29 · rev 2

Overview

Clark County is a county of Illinois, United States (FIPS il023), with a population of about 15,441^[1].

Geography

Coordinates: 39.3336, -87.7877
Time zone: America/Chicago

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Located in Illinois^[1]
Contains places Casey^[1]
Contains places Marshall^[1]
Contains places Martinsville^[1]
Contains places West Union^[1]
Contains places Westfield^[1]

Mentioned in

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Sources

GeoNames US dataset (US.txt / admin2Codes.txt) ↩ ↩