Zip Code 75645 — Gilmer, TX
75645 is a ZIP Code associated with Gilmer, TX, located within Upshur. 75645 ranks #2 out of 4 ZIP codes in Upshur County by population (and #806 out of 1,990 in TX). The area supports an estimated population of 10,400 residents across Data Pending housing units, with a population density of 27.8 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (32.683750, -94.873170)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 75645 |
| Primary City | Gilmer |
| State / Province | TX |
| County | Upshur |
| Total Population | 10,400 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 27.8 people/sq mi |
| Timezone | America/Chicago |
How 75645 Compares
| Metric | ZIP 75645 | Upshur County | TX State Average |
|---|
| Population | 10,400 | 31,831 (Total) | 30,188,035 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 27.8 /sq mi | -- | -- |
| County Pop Rank | #2 of 4 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →