ZIP code · Huntsville · Texas · United States
ZIP code 77340 — Huntsville
ZIP code 77340 serves Huntsville, Texas.
- Postal code
- 77340Single source Value from one source, not cross-checked.
- City
- Huntsville
- County
- Walker FIPS 48471
- State
- Texas
- Country
- United States
- Coordinates
- 30.6448, -95.5798 — precision precise (locality)
View on OpenStreetMap - Population
- 35,439 (ZCTA, ACS 5-year)
- Population density
- 166 / sq mi
- Land area
- 213.1 sq mi (552 km²) (ZCTA, ACS 5-year)
- Median household income
- $46,878
- Per-capita income
- $24,917
- Median age
- 30.7
- Households
- 13,064
- Housing units
- 15,230
- Median home value
- $229,000
- Median gross rent
- $992 / month
- Congressional districts
- TX-8 (also TX-17) (119th Congress)
- USDA hardiness zone
- 9a (20 to 25 °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
- 936Telephone 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 77340 with another ZIP · ZIPs within 25 miles · distance from 77340
Map of ZIP code 77340
Climate — monthly normals
Warmest month Aug (avg high 93°F), coldest Jan (avg low 39°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 58 | 62 | 69 | 77 | 83 | 89 | 92 | 93 | 87 | 79 | 68 | 60 |
| Avg low °F | 39 | 43 | 49 | 56 | 64 | 70 | 73 | 72 | 67 | 58 | 48 | 41 |
| Precip in | 4.6 | 3.4 | 3.9 | 3.9 | 4.5 | 5.5 | 3.1 | 4.1 | 4.5 | 4.6 | 4.7 | 4.7 |
NOAA 1991–2020 climate normals from the nearest station: HUNTSVILLE (4.8 mi) · NOAA NCEI
Places in ZIP 77340
- 4 schools
- 2 colleges & universities
- 3 doctors & dentists
- 2 pharmacies
- 5 supermarkets
- 45 restaurants & cafés
- 1 bars & pubs
- 12 parks
- 2 playgrounds
- 2 gyms & sports centres
- 2 libraries
- 1 post offices
- 23 places of worship
- 1 banks
- 15 gas stations
- 2 EV charging 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