Smith County, Texas
Smith County is a county in Texas. Its county FIPS code is 48423. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 48423
- Representative coordinates
- 32.375105, -95.268939
- County type
- County
- County seat or government
- Tyler
- Resident population, July 2025
- 252,549
- Land area
- 2,386.662 km²
- Water area
- 73.106 km²
- State
- Texas
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Smith County
| 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
75140 · 75647 · 75662 · 75684 · 75701 · 75702 · 75703 · 75704 · 75705 · 75706 · 75707 · 75708 · 75709 · 75711 · 75750 · 75757 · 75762 · 75771 · 75773 · 75789 · 75790 · 75791 · 75792
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.