Residential delivery area · Texas

ZIP Code 77523: Baytown, TX

ZIP code 77523 uses the postal name Baytown, Texas and lies mostly in Chambers County (95% of its land) with the rest in Harris County (Census 2020 ZIP-county file). About 30,000 people live there (Census Bureau, ACS 2020-2024), the least populous of Baytown's 3 residential ZIP codes. Median household income is $124,188 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Mont Belvieu (14%), Baytown (7%), Beach City (5%) and Cove (1%), and under 1% in smaller places; 72% is outside any Census place.

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
7national area: Texas, Arkansas, Louisiana and Oklahoma
775sectional center: North Houston, TX (SCF 773)
23delivery area within it
Town
Baytown · 3 residential ZIPs
County
Chambers County (95%); Harris County (5%)
Census places
Mont Belvieu (14%); Baytown (7%); Beach City (5%); Cove (1%)
Metro area
Houston-Pasadena-The Woodlands, TX
House district
TX-36 119th Congress
State
Texas
Time zone
Central
Land area
85.2 sq mi · 354 people per sq mi
PO Box ZIPs
77522 also use the name Baytown

Where is ZIP code 77523?

77523 centers on 29.766°, -94.866° and covers 85.2 square miles of land plus 10.7 of water. It borders 4 ZIP codes: 77580, 77521, 77520, 77535.

77520 · Baytown77521 · Baytown77535 · Dayton77580 · Mont Belvieu77523 · Baytown (this ZIP)7752377521775207758077520 · Baytown77521 · Baytown77535 · Dayton77580 · Mont Belvieu77523 · Baytown (this ZIP)7752377521775207758077520 · Baytown77521 · Baytown77535 · Dayton77580 · Mont Belvieu77523 · Baytown (this ZIP)775237752177520
Shaded by median household income, in national fifths (ACS 2020-2024); 77523 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 77523, 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 77523 compare with the rest of Baytown?

Rank of 77523 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure77523In BaytownIn Chambers CountyIn TX
People (ACS 2020-2024)30,1863rd of 34th of 11383rd of 1,990
Median household income$124k1st of 31st of 693rd of 1,172
Median home value$372k1st of 31st of 7233rd of 1,172

Its median household income is higher than in 92% of U.S. residential ZIP codes, and it is denser than 69% 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 77523?

The 2020 Census counted 27,638 people in 77523; the ACS, which samples households over 2020-2024, estimates 30,186. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.

People, ACS 2020-2024
30,186
2020 Census count
27,638
Households
10,443
Median age
35.8

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 77523?

Of the 30,186 people the ACS estimates in 77523, 26.8% are under 18 and 11.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (63.5%), then Hispanic or Latino (24.4%).

  • Under 1826.8%
  • 18 to 6461.8%
  • 65 and older11.5%
Age of the people of 77523 (ACS 2020-2024, B01001)
  • White, not Hispanic63.5%
  • Hispanic or Latino24.4%
  • Black, not Hispanic7.5%
  • Other or two or more2.5%
  • Asian, not Hispanic2.2%
Race and Hispanic origin in 77523 (ACS 2020-2024, B03002); each person counted once

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 77523 earn?

Median household income is $124,188 (ACS 2020-2024), the highest of the 6 ranked ZIP codes in Chambers County.

Median household income
$124,188
Income per person
$48,234
Below the poverty line
8.1%
Unemployed (of the labor force)
6.5%
Adults 25+ with a bachelor's degree
28.0%
Adjusted gross income per tax return, 2022
$106,36414,050 returns; wages 81% 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 77523?

FHFA's house price index for 77523, built from repeat sales and appraisals of the same homes, rose 82% from 2015 to 2025 and rose 38% from 2020 to 2025, and moved +4.5% in 2025.

Median home value (owners' estimate)
$372,100
Median gross rent
$1,702
Homes owned by their occupants
81.3%
Housing units
11,162
0 100 200 300 400 198619902000201020202025 0 100 200 300 400 198619902000201020202025 0 100 200 300 400 198619902000201020202025
Index = 100 in 1986, the first year FHFA reports for 77523; 2025: 428.1. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental.

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 77523?

495 business establishments had a location in this ZIP code in 2023, 182 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).

  • Retail trade74
  • Accommodation and food services61
  • Transportation and warehousing50
  • Construction45
  • Other services (except public administration)41
  • Professional, scientific, and technical services38

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 77523?

ZIP codes that share a boundary with 77523, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
77580Mont Belvieu0–6.3 mi
77521Baytown69,038$74k6.6 mi
77520Baytown36,355$54k8.4 mi
77535Dayton39,504$85k20.2 mi
77597Wallisville623–11.0 mi (near)
77562Highlands8,914$57k12.2 mi (near)
77571La Porte38,543$82k12.7 mi (near)
77530Channelview31,527$62k15.0 mi (near)
77514Anahuac5,480$85k15.4 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.