ZIP Code 78666

ZIP Code Tabulation Area in Hays County, Texas.

Population: 87,775
Median household income: $55,478
Median home value: $271,900

ZIP Code 78666 (Hays County, Texas) is home to about 87,775 residents. The median household income of $55,478 is below the Hays County median ($85,827).

From 2019 to 2023, ZIP Code 78666's population grew 5.9% from 82,923 to 87,775, while its median gross rent rose 22.5% from $1,056 to $1,294.

The largest age group is 18 to 24, 30.8% of residents. White (non-Hispanic) residents are the largest group, 44.7% of the population.

Demographics

ACS 2019–2023

Population: 87,775
Median age: 27.0 yrs
Median household income: $55,478
Median home value: $271,900
Median gross rent: $1,294
Housing units: 36,354
Homeownership rate: 38.4%
Bachelor's degree or higher: 34.6%
Unemployment rate: 5.6%

Trends

ACS 5-year · 2019–2023

Population

82,92387,775

Median household income

$44,159$55,478

Median home value

$172,100$271,900

Median gross rent

$1,056$1,294

Year	Population	Median household income	Median home value	Median gross rent
2019	82,923	$44,159	$172,100	$1,056
2020	81,844	$45,660	$186,400	$1,091
2021	83,858	$44,914	$202,500	$1,159
2022	86,530	$52,432	$248,700	$1,245
2023	87,775	$55,478	$271,900	$1,294

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 53.8%

5 to 179.9%

18 to 2430.8%

25 to 3416.7%

35 to 4410.9%

45 to 547.4%

55 to 648.0%

65 to 747.8%

75 and over4.6%

	Count	Share
Under 5	3,353	3.8%
5 to 17	8,717	9.9%
18 to 24	27,055	30.8%
25 to 34	14,628	16.7%
35 to 44	9,541	10.9%
45 to 54	6,516	7.4%
55 to 64	7,024	8.0%
65 to 74	6,876	7.8%
75 and over	4,065	4.6%

Race & ethnicity

	Count	Share
White (non-Hispanic)	39,227	44.7%
Black or African American	4,327	4.9%
American Indian & Alaska Native	114	0.1%
Asian	1,457	1.7%
Native Hawaiian & Pacific Islander	10	0.0%
Some other race	1,249	1.4%
Two or more races	2,908	3.3%
Hispanic or Latino (any race)	38,483	43.8%

Educational attainment (age 25+)

No high school diploma10.7%

High school graduate23.9%

Some college or associate's30.7%

Bachelor's degree20.5%

Graduate or professional degree14.1%

	Count	Share
No high school diploma	5,197	10.7%
High school graduate	11,651	23.9%
Some college or associate's	14,949	30.7%
Bachelor's degree	9,990	20.5%
Graduate or professional degree	6,863	14.1%

Commute to work

Mean travel time to work: 25 min

Drove alone72.3%

Carpooled10.6%

Public transit1.0%

Walked4.2%

Bicycle0.7%

Worked from home9.4%

Other means1.8%

How workers get to work

	Count	Share
Drove alone	34,081	72.3%
Carpooled	4,971	10.6%
Public transit	494	1.0%
Walked	2,001	4.2%
Bicycle	308	0.7%
Worked from home	4,427	9.4%
Other means	833	1.8%

Travel time

	Count	Share
Under 15 min	15,322	35.9%
15 to 29 min	12,857	30.1%
30 to 44 min	6,758	15.8%
45 to 59 min	3,746	8.8%
60+ min	4,005	9.4%

Households

Average household size: 2.35
Poverty rate: 23.3% (18,846 of 80,731)

	Count	Share
Family households	16,498	48.8%
Nonfamily households	17,338	51.2%

Housing

Median year structure built: 1997

Occupancy

	Count	Share
Occupied	33,836	93.1%
Vacant	2,518	6.9%

Tenure (of occupied units)

	Count	Share
Owner-occupied	12,980	38.4%
Renter-occupied	20,856	61.6%

1-unit, detached38.6%

1-unit, attached3.5%

2 to 4 units9.9%

5 to 19 units17.9%

20 or more units22.0%

Mobile home & other8.0%

Units in structure

	Count	Share
1-unit, detached	14,015	38.6%
1-unit, attached	1,278	3.5%
2 to 4 units	3,606	9.9%
5 to 19 units	6,525	17.9%
20 or more units	8,005	22.0%
Mobile home & other	2,925	8.0%

ZIP Code 78666

Demographics

Trends

Age distribution

Race & ethnicity

Educational attainment (age 25+)

Commute to work

Households

Housing

Geography

Counties this ZIP covers

Compare with nearby ZIP codes

National ZIP rankings

Nearby ZIP codes