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Jefferson County
Sign in to saveAlso known as Jefferson County, Indiana, Jefferson County, IN
county in Indiana, United States
Key facts
- Country
- United States
- State
- Indiana
- Named after
- Thomas Jefferson
- Seat
- Madison
- Largest city
- Madison
- Total
- 362.89 sq mi (939.9 km )
- Land
- 360.63 sq mi (934.0 km )
- Water
- 2.26 sq mi (5.9 km ) 0.62%
- Estimate 2025
- 33,279
- Density
- 91.914/sq mi (35.488/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
- UTC−4 ( EDT )
- Congressional district
- 6th
- Website
- jeffersoncounty .in .gov /index .php
via Wikipedia infobox
~9 min read
Encyclopedic overview
Jefferson County is a county located in the U.S. state of Indiana. As of 2020, the population was 33,147. The county seat is Madison.
History
Excerpted from Wikipedia’s “Jefferson County” article, available under the CC BY-SA 4.0 licence.