What county is ZIP code 78950 in?
Updated · Data: U.S. Census Bureau
ZIP code 78950 (New Ulm, TX) is mostly in Austin County (69.0% of its land), with parts in Colorado County and Fayette County.
Which counties is ZIP 78950 in?
| County | Share of land area | Chart |
|---|---|---|
| Austin County | 69.0% | |
| Colorado County | 28.4% | |
| Fayette County | 2.6% |
About 2,244 people live in this ZIP code area. Because it crosses a county line, the county depends on the street: check your address.
Is ZIP 78950 a Census ZIP code area?
Yes. A ZIP Code Tabulation Area (ZCTA) is the Census version of a ZIP code; its edges can differ from USPS delivery routes (ZIP code vs ZCTA). Look up another ZIP on the ZIP code to county lookup.
Sources: Census 2020 ZCTA-county relationship file; Gazetteer 2024; GeoNames (CC BY 4.0, post office name); ACS 2019-2023 5-year. Data as of November 1, 2026. Not affiliated with USPS or any government agency.
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