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US ZIP Code Profile

ZIP Code 77518
Bacliff, Texas

ZIP code 77518 is in Bacliff, located in Galveston County, Texas, within the Houston-The Woodlands-Sugar Land metro area. Its 2020 Census population was 9,689. The estimated median adjusted gross income per tax return is $34,534, and about 2% of filers report $200,000 or more.

2020 Population
9,689
Census ZCTA
County
Galveston
FIPS 48167
Median income (est.)
$34,534
IRS SOI 2022
Land Area
2.9 mi²
+ 0.018 mi² water

01Location & Geography

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

Primary CityBacliff, 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
Coordinates29.507162, -94.98724
Land / Water Area2.9 mi² land · 0.018 mi² water

02Income & Economics

Distribution of the 4,560 individual tax returns filed in 77518 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
40.1%
$25K–$50K
25.9%
$50K–$75K
14.0%
$75K–$100K
7.7%
$100K–$200K
10.3%
$200K+
2.0%
The $200,000+ bracket accounts for 21% of 77518's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($34,534) 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 77518's IRS income metrics, 2020–2022.

Median income (2021→2022)
$34,534
▲ 10.5%
Filers earning $200K+
2.0%
▲ 0.0 pt
Total filers
4,560
▼ 0.7%
GET /zipc/v2/zipcodes/77518/soi?year=… $29K 2020 $31K 2021 $35K 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 77518 ZCTA.

2000
7,084
 
2010
8,673
▲ +22.4%
2020
9,689
▲ +11.7%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number480465
City AliasesBacliff

06Frequently Asked Questions

What county is ZIP code 77518 in?

ZIP code 77518 is in Galveston County, Texas (county FIPS code 48167).

What city is ZIP code 77518?

The primary USPS city for 77518 is Bacliff, TX.

What metro area (MSA) is 77518 in?

77518 is part of the Houston-The Woodlands-Sugar Land, TX Metro Area (MSA code 26420).

What is the population of ZIP code 77518?

The 2020 Census population of 77518 was 9,689 residents.

What is the median income in ZIP code 77518?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 77518 is about $34,534, with around 2% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.