PlainZIP

Hutto, TX · standard

ZIP Code 78634

Williamson County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

22,791
138/sq mi
$114,426
Median income
$375,200
Median home value
36.9%
Bachelor's or higher

The verdict

Hutto pairs an upper-quartile household income with upper-quartile home values, in a rural, homeowner-dominated area.

Top 12%
household income, US ZIPs
Top 23%
home value, US ZIPs
138
people per sq mi
79%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 78634 against every reporting US ZIP.

ZIP code 78634 is a densely settled ZIP (a standard USPS delivery area) in Hutto, Williamson County, Texas, with 22,791 residents across 164.9 square miles, a density of 138 people per square mile, in the Chicago time zone.

ZIP 78634 skews affluent, with a median household income of $114,426 (51% above the Texas average), while per-capita income is $44,705. Poverty here runs at 5.7%, with unemployment measured at 3.9%. On housing, the median home value is $375,200 (52% above the state average) with median rent at $2,020 per month, and 78.6% of occupied units are owner-occupied.

A solid share of residents have a four-year degree: 36.9% of adults hold a bachelor's degree or higher, the median age is 34.9, and the average commute is 29 minutes. A geography-based comparison follows: 5 ZIP codes within about 10 miles of 78634, plus 6 more within Williamson County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 78634

Top 5 sectors by establishment count in Hutto, TX

Which industries have the most business establishments in ZIP 78634.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 78634, Hutto, TX · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

22,791

Population

164.9

Area (sq mi)

138

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 78634?

34.9

Median Age

50.2%

Male

49.8%

Female

12.3%

Foreign-Born

White 57.3%
African American 9.2%
Asian 2.2%
American Indian or Alaska Native 0.5%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 21.4%
Hispanic or Latino 33.6%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$114,426

Median Household Income

+51% vs state

$44,705

Per Capita Income

5.7%

Poverty Rate

3.9%

Unemployment Rate

29.1 min

Mean Commute Time

How ZIP 78634 ranks nationally

Hutto, TX household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$114,426 Top 12% higher than 88% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 61.1%
Bachelor's Degree or Higher 36.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

16,333

Total Housing Units

15,808

Occupied Units

525

Vacant Units

2.93

Avg Household Size

Occupancy Type

Owner 78.6%
Renter 21.4%

$375,200

Median Home Value

+52% vs state

$2,020

Median Rent

2009

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

-6.6%

YoY Change (2024)

329

HPI Index (2000 = 100)

+229%

Total Change Since 2000

Home values in ZIP 78634 have decreased 6.6% over the past year (2024). Since 2000, this ZIP has seen +229% cumulative appreciation.

Year Annual Change HPI Index
2020 +7.8% 227
2021 +27.5% 289
2022 +23.2% 356
2023 -1.1% 353
2024 -6.6% 329

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 744 business establishments in ZIP 78634, employing approximately 8,450 people with a combined annual payroll of $421,416,000.

744

Businesses

8,450

Employees

$421.4M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Construction 161 21.6%
Other services (except public administration) 88 11.8%
Retail trade 71 9.5%
Professional, scientific, and technical services 71 9.5%
Accommodation and food services 60 8.1%
Health care and social assistance 54 7.3%
Administrative and support and waste management and remediation services 44 5.9%
Transportation and warehousing 43 5.8%
Manufacturing 34 4.6%
Real estate and rental and leasing 33 4.4%
Wholesale trade 32 4.3%
Finance and insurance 22 3.0%
Educational services 12 1.6%
Arts, entertainment, and recreation 10 1.3%
Information 9 1.2%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 78634 vs 78665 →

ZIP 78634 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 78634 ranks #5 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 78634 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 78634 ranks #2 of 6 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
78665 Round Rock, TX 35,985 6.0 mi
78664 Round Rock, TX 52,932 7.1 mi
78626 Georgetown, TX 25,996 8.0 mi
78660 Pflugerville, TX 68,789 8.6 mi
78728 Austin, TX 20,299 11.2 mi

More ZIP Codes in Williamson County

78613 standard
Cedar Park, TX
Pop: 65,099
78664 standard
Round Rock, TX
Pop: 52,932
78681 standard
Round Rock, TX
Pop: 50,606
78641 standard
Leander, TX
Pop: 44,295
78665 standard
Round Rock, TX
Pop: 35,985
78729 standard
Austin, TX
Pop: 27,108

Related Areas

Williamson County Hutto, TX Texas

Frequently Asked Questions

What county is ZIP code 78634 in? ▼
ZIP code 78634 (Hutto) is located in Williamson County, Texas. Williamson County contains multiple ZIP codes, see the full list at /counties/williamson-tx.
What is the population of ZIP code 78634? ▼
ZIP code 78634 in Hutto, TX has a population of 22,791 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 78634? ▼
The median household income in ZIP 78634 is $114,426, which is 50% above the national average of $76,288.
What is the average home value in ZIP 78634? ▼
The median home value in ZIP 78634 is $375,200, which is 35% above the national average of $278,155.
What is the demographic makeup of ZIP 78634? ▼
The largest racial group in ZIP 78634 is White at 57.3%. Hispanic or Latino residents make up 33.6% of the population.
How many businesses are in ZIP code 78634? ▼
ZIP code 78634 has 744 business establishments employing approximately 8,450 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 78634? ▼
The top industries by establishment count in ZIP 78634 are: Construction (161), Other services (except public administration) (88), Retail trade (71). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 78634? ▼
According to the FHFA House Price Index, home values in ZIP 78634 decreased by 6.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 229%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 78634? ▼
In ZIP code 78634, 61.1% of residents aged 25+ have a high school diploma or higher, and 36.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 78634? ▼
The mean commute time for workers in ZIP code 78634 is 29.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 78634? ▼
In ZIP code 78634, approximately 78.6% of occupied housing units are owner-occupied and 21.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 78634? ▼
The poverty rate in ZIP code 78634 is 5.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.