St. Louis city, Missouri
St. Louis city is a county equivalent in Missouri. Its county FIPS code is 29510. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 29510
- Representative coordinates
- 38.635699, -90.244582
- County type
- Independent city
- County seat or government
- This city is its own county equivalent; there is no separate county government.
- Resident population, July 2025
- 278,144
- Land area
- 159.847 km²
- Water area
- 11.535 km²
- State
- Missouri
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in St. Louis city
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Chicago | UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
63101 · 63102 · 63103 · 63104 · 63105 · 63106 · 63107 · 63108 · 63109 · 63110 · 63111 · 63112 · 63113 · 63115 · 63116 · 63117 · 63118 · 63119 · 63120 · 63123 · 63125 · 63130 · 63133 · 63136 · 63137 · 63138 · 63139 · 63143 · 63147 · 63155
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Use the US government local-office directory ↗ to find the office responsible for your address. A county website has not been confidently matched here. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.