🇺🇸 Jefferson County, Illinois

United States · Americas · 38.30°N, 88.92°W

Jefferson County is a county located in the southern part of the U.S. state of Illinois. According to the 2020 census, it has a population of 37,113. The county seat is Mount Vernon. Jefferson County also constitutes the Mount Vernon micropolitan area, anchored by the city of Mount Vernon. It is located in the southern portion known locally as "Little Egypt". The western border of the county adjoins the Greater St. Louis consolidated metropolitan statistical area, the Metro-East region, and the St. Louis commuter region and market and television viewing area.

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Quick facts

Country	United States
Continent / region	Americas
Coordinates (approx.)	38.30°N, 88.92°W · view on map

Jefferson County, Illinois is located in United States, in Americas.

More counties in United States

Adams County, Illinois · Alexander County, Illinois · Bond County, Illinois · Boone County, Illinois · Brown County, Illinois · Bureau County, Illinois · Calhoun County, Illinois · Carroll County, Illinois · Cass County, Illinois · Champaign County, Illinois.

Coordinates approximate. Introduction & image: Wikipedia (CC BY-SA 4.0), cached 30 days; the page renders even if the feed is momentarily unreachable.