Overview
Jefferson County is a county of Iowa, United States (FIPS ia101), with a population of about 15,663[1].
Geography
- Coordinates: 41.0318, -91.9489
- Time zone: America/Chicago
Places · place_us_ia_jefferson_county
Jefferson County is a county of Iowa, United States.
Jefferson County is a county of Iowa, United States (FIPS ia101), with a population of about 15,663[1].