Barnhart, Missouri
Barnhart: Census designated place
About
Barnhart is a CDP located in the county of Jefferson in the U.S. state of Missouri.
Quick Facts about Barnhart
| Population : | 5,682 |
| Country : | United States of America |
| State : | Missouri (United States) |
| County : | Jefferson County |
| Postal code : | 63012 |
| Area : | 13.6 km2 |
| Altitude : | 436 feet / 133 meters |
| Time Zone : | America/Chicago |
| Local time : | 06:08:56 (5th December 2025) |
Geography
Barnhart is located at 38°20'39"N 90°23'36"W (38.3442200, -90.3934500).
Barnhart map
Click "full screen" 
icon to open full mode. View satellite images
icon to open full mode. View satellite images
Barnhart zip code is 63012.
County name: Jefferson, County
fips: 29099
Schools in Barnhart
College & universities near Barnhart, MO
| Code | Name | City | ZIP |
|---|---|---|---|
| 177676 | Jefferson College | Hillsboro (MO) | 63050-2440 |
Stations (8)
Amtrak & bus stations near Barnhart, MO
| Code | Name | Address | Type |
|---|---|---|---|
| KWD | Kirkwood | 110 West Argonne Dr. | RAIL |
| STL | Gateway Transportation Center | 551 South 16th St. | RAIL |
| WAH | Washington | 301 West Front St. | RAIL |
| ALN | Alton | 3400 College Ave. | RAIL |
| HEM | Hermann | Wharf & Gutenberg Sts. | RAIL |
Post offices near Barnhart
| Post Office Name | City | ZIP |
|---|---|---|
| Barnhar Post Office | Barnhart (MO) | 63012 |
Other cities in Jefferson County
Cities, towns, neighborhoods & other populated places in Jefferson County , MO.
| City Name | Population | Title |
|---|---|---|
| Arnold | 21,145 | City in Missouri |
| Festus | 12,114 | City in Missouri |
| De Soto | 6,340 | City in Jefferson County, Missouri |
| Pevely | 6,001 | City in Jefferson County, Missouri, United States |
| Crystal City | 4,700 | City in Jefferson County, Missouri, United States |
| High Ridge | 4,305 | Census designated place |
| Herculaneum | 4,261 | Roman town |
| Riverside | 3,528 | City in Platte County, Missouri, United States |
| Hillsboro | 3,355 | City in Missouri, United States |
| Byrnes Mill | 3,015 | City in Jefferson County, Missouri, United States |
| Olympian Village | 752 | City in Jefferson County, Missouri, United States |
| Cedar Hill Lakes | 227 | Village in Jefferson County, Missouri, United States |
| Scotsdale | 216 | Human settlement in Jefferson County, Missouri, United States of America |
| Parkdale | 162 | Human settlement in Jefferson County, Missouri, United States of America |
| Kimmswick | 140 | City in Jefferson County, Missouri, United States |
Distance to Other Cities
Barnhart distances to largest Missouri cities
