ZIP Code 78634
standardSource:
Hutto · Williamson County · Texas
- Population
- 22,791
- Median income
- $114,426
- Median home value
- $375,200
- Bachelor's or higher
- 36.9%
- Land area
- 164.9 sq mi
138/sq mi
▲ 50% vs US
higher than 88% of US ZIPs
▲ 35% vs US
higher than 77% of US ZIPs
Median age 34.9
Chicago
ZIP code 78634 in Hutto, Texas has a population of 22,791. The median household income is $114,426, which is 50% above the national average. Median home value is $375,200, 35% above the US average. 36.9% of residents hold a bachelor's degree or higher.
ZIP code 78634 is classified by USPS as a standard delivery area and covers roughly 164.9 square miles in Hutto, Williamson County, Texas. The area is home to 22,791 residents, producing a population density of 138 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 78634 against Texas and the nation.
On the economic side, the median household income for ZIP 78634 sits at $114,426 (51% above the Texas average), while per-capita income is $44,705. The poverty rate stands at 5.7% and the unemployment rate 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 direct signal of whether 78634 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 36.9% of adults hold a bachelor's degree or higher, the median age is 34.9, and the average commute is 29 minutes. We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Williamson County, so you can benchmark 78634 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 78634
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 78634.
- Construction
Construction
161 establishments
- Other services (except public administration)
Other services (except public administration)
88 establishments
- Retail trade
Retail trade
71 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
71 establishments
- Accommodation and food services 60
Accommodation and food services
60 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, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, 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; HUD FMR + 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
Who lives in ZIP 78634?
34.9
Median Age
50.2%
Male
49.8%
Female
12.3%
Foreign-Born
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
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
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
$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 →
More ZIP Codes in Williamson County
Related Areas
Frequently Asked Questions
What county is ZIP code 78634 in? ▼
What is the population of ZIP code 78634? ▼
What is the median household income in ZIP 78634? ▼
What is the average home value in ZIP 78634? ▼
What is the demographic makeup of ZIP 78634? ▼
How many businesses are in ZIP code 78634? ▼
What are the main industries in ZIP code 78634? ▼
How have home values changed in ZIP code 78634? ▼
What is the education level in ZIP code 78634? ▼
What is the average commute time in ZIP 78634? ▼
What percentage of residents own vs. rent in ZIP 78634? ▼
What is the poverty rate in ZIP code 78634? ▼
ZIP Code Research Guides
Official Data Resources for Hutto, TX
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.