Byrnes Mill, Missouri

Byrnes Mill, Missouri
Location of Byrnes Mill, Missouri
Coordinates: 38°26′22″N 90°34′27″W / 38.43944°N 90.57417°W / 38.43944; -90.57417
CountryUnited States
StateMissouri
CountyJefferson
Government
  Mayor Pro TemRob Kiczenski
Area
  Total
5.26 sq mi (13.63 km2)
  Land5.14 sq mi (13.32 km2)
  Water0.12 sq mi (0.32 km2)
Elevation
594 ft (181 m)
Population
 (2020)
  Total
3,173
  Density617.20/sq mi (238.30/km2)
Time zoneUTC-6 (Central (CST))
  Summer (DST)UTC-5 (CDT)
ZIP code
63051
Area code636
FIPS code29-10240
GNIS feature ID2393486
Websitewww.byrnesmill.org

Byrnes Mill is a city in northern Jefferson County, Missouri, United States. The population was 3,173 at the 2020 census.