Georgetown, TX · standard
ZIP Code 78628
Williamson County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 23,727
- 125/sq mi
- $125,635
- Median income
- $496,600
- Median home value
- 55.0%
- Bachelor's or higher
The verdict
Georgetown pairs a top-decile household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 8%
- household income, US ZIPs
- Top 13%
- home value, US ZIPs
- 125
- people per sq mi
- 76%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 78628 against every reporting US ZIP.
ZIP code 78628 is a densely settled ZIP (a standard USPS delivery area) in Georgetown, Williamson County, Texas, with 23,727 residents across 190.0 square miles, a density of 125 people per square mile, in the Chicago time zone.
ZIP 78628 skews affluent, with a median household income of $125,635 (66% above the Texas average), while per-capita income is $60,880. Poverty here runs at 7.3%, with unemployment measured at 4.6%. On housing, the median home value is $496,600 (101% above the state average) with median rent at $1,687 per month, and 75.5% of occupied units are owner-occupied.
This is a highly-educated ZIP: 55.0% of adults hold a bachelor's degree or higher, the median age is 40.7, 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 78628 against its immediate geography rather than a 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 78628
Top 5 sectors by establishment count in Georgetown, TX
Which industries have the most business establishments in ZIP 78628.
- Professional, scientific, and technical services
Professional, scientific, and technical services
204 establishments
- Health care and social assistance
Health care and social assistance
156 establishments
- Construction
Construction
150 establishments
- Retail trade
Retail trade
112 establishments
- Other services (except public administration)
Other services (except public administration)
99 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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 78628, Georgetown, 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
23,727
Population
190.0
Area (sq mi)
125
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 78628?
40.7
Median Age
49.3%
Male
50.7%
Female
11.2%
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?
$125,635
Median Household Income
+66% vs state
$60,880
Per Capita Income
7.3%
Poverty Rate
4.6%
Unemployment Rate
29.3 min
Mean Commute Time
How ZIP 78628 ranks nationally
Georgetown, TX household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$125,635 Top 8% higher than 92% of 30,318 US ZIPs
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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
19,856
Total Housing Units
19,084
Occupied Units
772
Vacant Units
2.65
Avg Household Size
Occupancy Type
$496,600
Median Home Value
+101% vs state
$1,687
Median Rent
2011
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
-2.3%
YoY Change (2024)
310
HPI Index (2000 = 100)
+210%
Total Change Since 2000
Home values in ZIP 78628 have decreased 2.3% over the past year (2024). Since 2000, this ZIP has seen +210% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +5.1% | 210 |
| 2021 | +21.9% | 256 |
| 2022 | +24.1% | 317 |
| 2023 | +0.1% | 318 |
| 2024 | -2.3% | 310 |
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 1,135 business establishments in ZIP 78628, employing approximately 10,422 people with a combined annual payroll of $498,735,000.
1,135
Businesses
10,422
Employees
$498.7M
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 204 | 18.0% |
| Health care and social assistance | 156 | 13.7% |
| Construction | 150 | 13.2% |
| Retail trade | 112 | 9.9% |
| Other services (except public administration) | 99 | 8.7% |
| Accommodation and food services | 88 | 7.8% |
| Real estate and rental and leasing | 68 | 6.0% |
| Finance and insurance | 63 | 5.5% |
| Administrative and support and waste management and remediation services | 51 | 4.5% |
| Wholesale trade | 32 | 2.8% |
| Information | 23 | 2.0% |
| Educational services | 23 | 2.0% |
| Transportation and warehousing | 22 | 1.9% |
| Arts, entertainment, and recreation | 20 | 1.8% |
| Manufacturing | 19 | 1.7% |
| Management of companies and enterprises | 3 | 0.3% |
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 78628 vs 78633 →
ZIP 78628 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 78613
Cedar Park (78613)
65,099 residents
- 78664
Round Rock (78664)
52,932 residents
- 78681
Round Rock (78681)
50,606 residents
- 78665
Round Rock (78665)
35,985 residents
- 78628 23,727
Georgetown (78628)
23,727 residents
- 78633 19,349
Georgetown (78633)
19,349 residents
What this shows Among its immediate neighbors, ZIP 78628 ranks #5 by population - useful context the national average alone can't give.
ZIP 78628 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 78681
Round Rock (78681)
$137,819 median income
- 78628
Georgetown (78628)
$125,635 median income
- 78613
Cedar Park (78613)
$125,487 median income
- 78665
Round Rock (78665)
$122,680 median income
- 78633
Georgetown (78633)
$100,936 median income
- 78664
Round Rock (78664)
$87,417 median income
What this shows By household income, ZIP 78628 ranks #2 of 6 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
More ZIP Codes in Williamson County
Related Areas
Frequently Asked Questions
What county is ZIP code 78628 in? ▼
What is the population of ZIP code 78628? ▼
What is the median household income in ZIP 78628? ▼
What is the average home value in ZIP 78628? ▼
What is the demographic makeup of ZIP 78628? ▼
How many businesses are in ZIP code 78628? ▼
What are the main industries in ZIP code 78628? ▼
How have home values changed in ZIP code 78628? ▼
What is the education level in ZIP code 78628? ▼
What is the average commute time in ZIP 78628? ▼
What percentage of residents own vs. rent in ZIP 78628? ▼
What is the poverty rate in ZIP code 78628? ▼
Read our methodology to see how this data is sourced, computed, and verified.