ZIP code · Tomball · Texas · United States
ZIP code 77377 — Tomball
ZIP code 77377 serves Tomball, Texas.
- Postal code
- 77377Single source Value from one source, not cross-checked.
- City
- Tomball
- County
- Harris FIPS 48201
- State
- Texas
- Country
- United States
- Coordinates
- 30.0615, -95.6821 — precision precise (locality)
View on OpenStreetMap - Population
- 39,154 (ZCTA, ACS 5-year)
- Population density
- 1,111 / sq mi
- Land area
- 35.2 sq mi (91.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $123,015
- Per-capita income
- $52,931
- Median age
- 38.1
- Households
- 12,833
- Housing units
- 13,625
- Median home value
- $352,000
- Median gross rent
- $1,676 / month
- Congressional district
- TX-38 (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)
Tools: compare 77377 with another ZIP · ZIPs within 25 miles · distance from 77377
Map of ZIP code 77377
Climate — monthly normals
Warmest month Aug (avg high 95°F), coldest Jan (avg low 43°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 63 | 68 | 74 | 80 | 87 | 92 | 94 | 95 | 91 | 82 | 72 | 65 |
| Avg low °F | 43 | 47 | 53 | 59 | 67 | 73 | 75 | 74 | 70 | 60 | 50 | 44 |
| Precip in | 3.5 | 2.7 | 3.4 | 3.8 | 4.9 | 5.4 | 3.7 | 4.9 | 5.2 | 5.6 | 4.0 | 3.7 |
NOAA 1991–2020 climate normals from the nearest station: HOUSTON HOOKS MEM AP (7.5 mi) · NOAA NCEI
Places in ZIP 77377
- 8 schools
- 3 hospitals & clinics
- 6 doctors & dentists
- 1 pharmacies
- 1 supermarkets
- 38 restaurants & cafés
- 1 bars & pubs
- 24 parks
- 12 playgrounds
- 6 gyms & sports centres
- 6 places of worship
- 8 banks
- 9 gas stations
- 3 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