ZIP Code Tabulation Area · Texas

ZIP Code 76638: McLennan County, TX

ZIP Code 76638 (McLennan County, Texas) has an estimated 3,671 residents in 1,185 households. The median household income is $129,917, the median home value is $440,900 and the median gross rent is $1,083/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Some estimates have a large margin of error. One figure for this ZIP (gross rent) is marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

3,671

Margin of error ±643

Median household income

$129,917

Margin of error ±$22,121

Median home value

$440,900

Margin of error ±$85,293

Median gross rent

$1,083/mo*

Margin of error ±$643· estimate has a large margin of error

Median age

40.4 yrs

Margin of error ±8.1 yrs

Mean travel time to work

39.0 min

Margin of error ±18.2 min

How ZIP 76638 compares with Texas and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 7663840.4 yrsTexas35.6 yrsUnited States38.9 yrs

Median household income

ZIP 76638$129,917Texas$78,476United States$80,734

Per capita income

ZIP 76638$56,793Texas$40,752United States$44,673

Poverty rate

ZIP 766383.1%Texas13.8%United States12.5%

Unemployment rate

ZIP 766382.5%Texas5.3%United States5.2%

Bachelor's degree or higher

ZIP 7663838.7%Texas33.8%United States35.7%

Median home value

ZIP 76638$440,900Texas$283,800United States$332,700

Median gross rent

ZIP 76638$1,083/mo*Texas$1,403/moUnited States$1,413/mo

Owner-occupied homes

ZIP 7663895.2%Texas62.6%United States65.2%

Mean travel time to work

ZIP 7663839.0 minTexas26.7 minUnited States26.4 min

Worked from home

ZIP 7663815.9%Texas14.4%United States15.1%

All figures for ZIP 76638

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 76638 — ACS 2020–2024 5-year estimates
MeasureZIP 76638Margin of errorTexasUnited States
Total population3,671±64330,188,424334,922,499
Median age40.4 yrs±8.1 yrs35.6 yrs38.9 yrs
Households1,185±17010,992,816129,227,496
Median household income$129,917±$22,121$78,476$80,734
Per capita income$56,793±$12,081$40,752$44,673
Poverty rate3.1%±2.8 pts13.8%12.5%
Unemployment rate2.5%±2.0 pts5.3%5.2%
Bachelor's degree or higher38.7%±5.3 pts33.8%35.7%
Median home value$440,900±$85,293$283,800$332,700
Median gross rent$1,083/mo*±$643$1,403/mo$1,413/mo
Owner-occupied homes95.2%±3.5 pts62.6%65.2%
Mean travel time to work39.0 min±18.2 min26.7 min26.4 min
Worked from home15.9%±6.0 pts14.4%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 76638
GroupZIP 76638TexasUnited States
White alone, not Hispanic or Latino88.3%39.1%57.4%
Black or African American alone, not Hispanic or Latino1.9%11.9%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.1%0.5%
Asian alone, not Hispanic or Latino1.3%5.5%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.0%0.1%0.2%
Some other race alone, not Hispanic or Latino0.0%0.4%0.6%
Two or more races, not Hispanic or Latino0.4%3.1%4.3%
Hispanic or Latino (of any race)8.1%39.7%19.3%

Where ZIP 76638 is

State
Texas
Main county
McLennan County
Largest overlapping place
Crawford (2% of the ZIP's land area)
Land area
71.72 sq mi· about 51 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in McLennan County

76624 McLennan County, TX76630 McLennan County, TX76633 McLennan County, TX76640 McLennan County, TX76643 Hewitt, TX76654 Leroy, TX76655 McLennan County, TX76657 McLennan County, TX76691 McLennan County, TX76701 Waco, TX76704 Waco, TX76705 McLennan County, TX76706 Robinson, TX76707 Waco, TX76708 Waco, TX76710 Waco, TX76711 Waco, TX76712 Waco, TX76798 Waco, TX

See every ZIP code in Texas, or compare ZIP 76638 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.