ZIP code · Vanderbilt · Texas · United States
ZIP code 77991 — Vanderbilt
ZIP code 77991 serves Vanderbilt, Texas.
- Postal code
- 77991Single source Value from one source, not cross-checked.
- City
- Vanderbilt
- County
- Jackson FIPS 48239
- State
- Texas
- Country
- United States
- Coordinates
- 28.8068, -96.6042 — precision precise (locality)
View on OpenStreetMap - Population
- 564 (ZCTA, ACS 5-year)
- Population density
- 53 / sq mi
- Land area
- 10.6 sq mi (27.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $123,935
- Per-capita income
- $24,976
- Median age
- 15
- Households
- 95
- Housing units
- 120
- Congressional district
- TX-27 (119th Congress)
- USDA hardiness zone
- 9b (25 to 30 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 361Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 77991 with another ZIP · ZIPs within 25 miles · distance from 77991
Map of ZIP code 77991
Climate — monthly normals
Warmest month Aug (avg high 92°F), coldest Jan (avg low 46°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 64 | 68 | 73 | 78 | 84 | 89 | 91 | 92 | 89 | 83 | 74 | 67 |
| Avg low °F | 46 | 49 | 57 | 63 | 71 | 76 | 78 | 78 | 73 | 65 | 55 | 48 |
| Precip in | 3.1 | 1.8 | 3.2 | 2.6 | 4.3 | 4.8 | 3.1 | 3.4 | 4.8 | 3.6 | 3.6 | 2.9 |
NOAA 1991–2020 climate normals from the nearest station: PT COMFORT (10.7 mi) · NOAA NCEI
Places in ZIP 77991
- 2 schools
- 2 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page