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US ZIP Code Profile

ZIP Code 77550
Galveston, Texas

ZIP code 77550 is in Galveston, located in Galveston County, Texas, within the Houston-The Woodlands-Sugar Land metro area. Its 2020 Census population was 24,247. The estimated median adjusted gross income per tax return is $36,647, and about 6% of filers report $200,000 or more.

2020 Population
24,247
Census ZCTA
County
Galveston
FIPS 48167
Median income (est.)
$36,647
IRS SOI 2022
Land Area
7.507 mi²
+ 1.121 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityGalveston, TX
CountyGalveston County (FIPS 48167)
StateTexas (FIPS 48)
Metro Area (MSA)Houston-The Woodlands-Sugar Land, TX Metro Area (26420)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.310535, -94.775764
Land / Water Area7.507 mi² land · 1.121 mi² water

02Income & Economics

Distribution of the 9,600 individual tax returns filed in 77550 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
37.9%
$25K–$50K
25.9%
$50K–$75K
12.8%
$75K–$100K
7.1%
$100K–$200K
10.4%
$200K+
5.8%
The $200,000+ bracket accounts for 46% of 77550's total adjusted gross income, from 6% of returns — a concentration that drives the gap between the median ($36,647) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 77550's IRS income metrics, 2020–2022.

Median income (2021→2022)
$36,647
▲ 8.2%
Filers earning $200K+
5.8%
▲ 0.8 pt
Total filers
9,600
▼ 1.0%
GET /zipc/v2/zipcodes/77550/soi?year=… $32K 2020 $34K 2021 $37K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 77550 ZCTA.

2000
30,146
 
2010
23,043
▼ -23.6%
2020
24,247
▲ +5.2%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 77550. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 77550

Galveston and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 77550 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number483380
City AliasesGalveston, Jamaica Beach, Virginia Point

07Frequently Asked Questions

What county is ZIP code 77550 in?

ZIP code 77550 is in Galveston County, Texas (county FIPS code 48167).

What city is ZIP code 77550?

The primary USPS city for 77550 is Galveston, TX.

What metro area (MSA) is 77550 in?

77550 is part of the Houston-The Woodlands-Sugar Land, TX Metro Area (MSA code 26420).

What is the population of ZIP code 77550?

The 2020 Census population of 77550 was 24,247 residents.

What is the median income in ZIP code 77550?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77550 is about $36,647, with around 6% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.