Baytown, TX 77521 ZIP Code Profile

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Baytown, TX

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ZIP Code 77521: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Baytown, TX 77521

Acceptable Alternative
Mont Belvieu, TX 77521

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 1,143
  • Single Family Addresses: 14,789
  • Multi-Family Addresses: 6,743
  • County: Harris County
  • Centroid: Latitude 29.796, Longitude -94.973
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 77521 has segments in 2 Counties (Chambers, Harris).

Neighborhood Data

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77521 ZIP Code Map

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Baytown, TX 77521 Data & Demographics (As of July 1, 2017)


Total Population 59,129
Daytime Population: Workers 23,723
Daytime Population: Residents 35,885
Total Daytime Population (TDP) 59,608
Ratio TDP/Total Population1 1.01
Population in Households 58,734
Population in Familes 50,418
Population in Group Qrtrs 395
Population Density2 1,186
Diversity Index3 81


Median Household Income $57,619
Average Household Income $74,743
Per Capita Income $26,059


Total Housing Units 22,620 (100%)
Owner Occupied HU 12,574 (55.6%)
Renter Occupied HU 7,828 (34.6%)
Vacant Housing Units 2,218 ( 9.8%)
Median Home Value $145,310
Average Home Value $170,801


Total Households 20,402
Average Household Size 2.88
Family Households 14,802
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 2.53% 2.08%
Households 2.32% 1.96%
Families 2.29% 1.93%
Median Household Income   2.32%
Per Capita Income   2.33%

Baytown, TX 77521 - Peer Comparisons by Rank and Percentile

The table below compares 77521 to the other 1,848 ZIP Codes in Texas by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 63 97th
Population Density # 506 73rd
Diversity Index # 143 92nd
Median Household Income # 551 70th
Per Capita Income # 902 51st

Additional comparisons and rankings can be made with a VERY EASY TO USE Texas Census Data Comparison Tool.

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