Residential delivery area · Texas
ZIP Code 77320: Huntsville, TX
ZIP code 77320 uses the postal name Huntsville, Texas and lies mostly in Walker County (94% of its land) with the rest in San Jacinto County (Census 2020 ZIP-county file). About 38,000 people live there (Census Bureau, ACS 2020-2024), the most populous of Huntsville's 4 residential ZIP codes. Median household income is $55,663 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Huntsville (5%) and Riverside (under 1%); 94% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Huntsville · 4 residential ZIPs
- County
- Walker County (94%); San Jacinto County (6%)
- Census places
- Huntsville (5%); Riverside (under 1%)
- Micro area
- Huntsville, TX
- House districts
- TX-17 (94%), TX-8 (6%) 119th Congress, by share of land
- State
- Texas
- Time zone
- Central
- Land area
- 343.6 sq mi · 111 people per sq mi
Where is ZIP code 77320?
77320 centers on 30.808°, -95.558° and covers 343.6 square miles of land plus 17.6 of water. It borders 11 ZIP codes: 77342, 77367, 77340, 77334, 77359, 75852, 75862, 77364, 77831, 77864 and more.
The map draws ZIP code areas only. For the streets inside 77320, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 77320 compare with the rest of Huntsville?
| Measure | 77320 | In Huntsville | In Walker County | In TX |
|---|---|---|---|---|
| People (ACS 2020-2024) | 38,152 | 1st of 4 | 1st of 11 | 259th of 1,990 |
| Median household income | $56k | 1st of 2 | 1st of 3 | 945th of 1,172 |
| Median home value | $203k | 2nd of 2 | 2nd of 2 | 735th of 1,172 |
Its median household income is higher than in 22% of U.S. residential ZIP codes, and it is denser than 55% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 77320?
The 2020 Census counted 37,325 people in 77320; the ACS, which samples households over 2020-2024, estimates 38,152. Between the 2010 and 2020 censuses its population grew 10.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 38,152
- 2020 Census count
- 37,325+10.8% since 2010 (33,678)
- Households
- 10,586
- Median age
- 39.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 77320?
Of the 38,152 people the ACS estimates in 77320, 14.7% are under 18 and 13.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (48.5%), then Hispanic or Latino (25.4%).
- Under 1814.7%
- 18 to 6472.0%
- 65 and older13.4%
- White, not Hispanic48.5%
- Hispanic or Latino25.4%
- Black, not Hispanic21.8%
- Other or two or more4.1%
- Asian, not Hispanic0.3%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 77320 earn?
Median household income is $55,663 (ACS 2020-2024), the highest of the 3 ranked ZIP codes in Walker County. It is not measurably different from 2015-2019 ($63,791 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $55,663
- Income per person
- $22,868
- Below the poverty line
- 15.4%
- Unemployed (of the labor force)
- 8.1%
- Adults 25+ with a bachelor's degree
- 15.5%
- Adjusted gross income per tax return, 2022
- $59,89710,900 returns; wages 70% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 77320?
FHFA's house price index for 77320, built from repeat sales and appraisals of the same homes, rose 88% from 2015 to 2025 and rose 46% from 2020 to 2025, and moved +6.9% in 2025.
- Median home value (owners' estimate)
- $203,100
- Median gross rent
- $998
- Homes owned by their occupants
- 65.9%
- Housing units
- 12,838
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 77320?
299 business establishments had a location in this ZIP code in 2023, 53 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction46
- Retail trade39
- Other services (except public administration)31
- Professional, scientific, and technical services30
- Transportation and warehousing21
- Real estate and rental and leasing18
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 77320?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 77342 | Huntsville | 0 | – | 4.8 mi |
| 77367 | Riverside | 446 | – | 10.3 mi |
| 77340 | Huntsville | 37,517 | $49k | 10.6 mi |
| 77334 | Dodge | 197 | – | 11.1 mi |
| 77359 | Oakhurst | 683 | $56k | 15.5 mi |
| 75852 | Midway | 3,323 | $73k | 15.7 mi |
| 75862 | Trinity | 9,968 | $52k | 17.5 mi |
| 77364 | Pointblank | 2,178 | $63k | 20.5 mi |
| 77831 | Bedias | 3,676 | $58k | 21.4 mi |
| 77864 | Madisonville | 7,640 | $73k | 22.5 mi |
| 77360 | Onalaska | 6,223 | $60k | 26.3 mi |
| 77341 | Huntsville | 0 | – | 7.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.