Residential delivery area · Texas
ZIP Code 77550: Galveston, TX
ZIP code 77550 is in Galveston, Texas, entirely in Galveston County (Census 2020 ZIP-county file). About 23,000 people live there (Census Bureau, ACS 2020-2024), the most populous of Galveston's 4 residential ZIP codes. Median household income is $45,047 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Galveston · 4 residential ZIPs
- County
- Galveston County
- Census places
- Galveston
- Metro area
- Houston-Pasadena-The Woodlands, TX
- House district
- TX-14 119th Congress
- State
- Texas
- Time zone
- Central
- Land area
- 7.6 sq mi · 3,107 people per sq mi
Where is ZIP code 77550?
77550 centers on 29.308°, -94.769° and covers 7.6 square miles of land plus 1.3 of water. It borders 3 ZIP codes: 77555, 77551, 77554.
The map draws ZIP code areas only. For the streets inside 77550, 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 77550 compare with the rest of Galveston?
| Measure | 77550 | In Galveston | In Galveston County | In TX |
|---|---|---|---|---|
| People (ACS 2020-2024) | 23,489 | 1st of 4 | 6th of 19 | 515th of 1,990 |
| Median household income | $45k | 3rd of 3 | 14th of 14 | 1,104th of 1,172 |
| Median home value | $326k | 2nd of 3 | 7th of 16 | 335th of 1,172 |
Its median household income is higher than in 9% of U.S. residential ZIP codes, and it is denser than 89% 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 77550?
The 2020 Census counted 24,247 people in 77550; the ACS, which samples households over 2020-2024, estimates 23,489. Between the 2010 and 2020 censuses its population grew 5.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 23,489
- 2020 Census count
- 24,247+5.2% since 2010 (23,043)
- Households
- 11,860
- Median age
- 39.6
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 77550?
Of the 23,489 people the ACS estimates in 77550, 15.6% are under 18 and 20.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (44.0%), then Hispanic or Latino (30.6%).
- Under 1815.6%
- 18 to 6464.1%
- 65 and older20.4%
- White, not Hispanic44.0%
- Hispanic or Latino30.6%
- Black, not Hispanic19.8%
- Other or two or more2.8%
- Asian, not Hispanic2.8%
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 77550 earn?
Median household income is $45,047 (ACS 2020-2024), the 14th highest of the 14 ranked ZIP codes in Galveston County. It fell from $52,405 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $45,047±$5,353
- Income per person
- $35,654
- Below the poverty line
- 26.9%
- Unemployed (of the labor force)
- 7.1%
- Adults 25+ with a bachelor's degree
- 34.5%
- Adjusted gross income per tax return, 2022
- $78,0659,600 returns; wages 56% 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 77550?
FHFA's house price index for 77550, built from repeat sales and appraisals of the same homes, rose 105% from 2015 to 2025 and rose 38% from 2020 to 2025, and moved −9.1% in 2025.
- Median home value (owners' estimate)
- $325,900
- Median gross rent
- $1,205
- Homes owned by their occupants
- 40.0%
- Housing units
- 16,088
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 77550?
697 business establishments had a location in this ZIP code in 2023, the same count as in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services148
- Retail trade125
- Professional, scientific, and technical services77
- Other services (except public administration)71
- Health care and social assistance50
- Real estate and rental and leasing45
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 77550?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 77555 | Galveston | 2 | – | 0.5 mi |
| 77551 | Galveston | 21,696 | $58k | 4.3 mi |
| 77554 | Galveston | 10,414 | $87k | 10.6 mi |
| 77590 | Texas City | 31,642 | $66k | 10.1 mi (near) |
| 77650 | Port Bolivar | 2,322 | $62k | 11.0 mi (near) |
| 77568 | La Marque | 23,083 | $75k | 13.8 mi (near) |
| 77591 | Texas City | 18,294 | $69k | 15.2 mi (near) |
| 77563 | Hitchcock | 9,955 | $76k | 15.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.