78628 ZIP Code — Georgetown, TX

Williamson County, Texas

ZIP code 78628 is located in Georgetown, Texas, within Williamson County. It covers approximately 64.71 square miles and serves a population of 41,428 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 512/737.

About ZIP code 78628

The housing stock consists of predominantly single-family detached homes. Much of the housing stock is relatively new, reflecting recent development activity. Median home value is $419,900. Owner-occupancy is high at 77%, well above the national average.

The gap between median ($111,491) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average. Remote work is prevalent — 21% of workers work from home.

Educational attainment is high — 53% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 78628 reflects a community defined by a highly educated population, high homeownership, and a high rate of remote workers.

41,428
population
64.71
sq mi land
Standard
ZIP type
Central (CT)
timezone
78628 ZIP code map
Cities in ZIP code 78628

Below are the cities the US Postal Service accepts for ZIP code 78628. Using any city not on this list may result in mail delivery delays.

City Status
Georgetown Acceptable
Georgetown Preferred
Nearby ZIP codes
78633 Georgetown (6.4 mi) 78681 Round Rock (8.9 mi) 78681 Round Rock (8.9 mi) 78665 Round Rock (9.8 mi) 78682 Round Rock (10.4 mi) 78626 Georgetown (10.4 mi) 78717 Austin (10.6 mi) 78613 Cedar Park (10.9 mi) 78642 Liberty Hill (11.2 mi) 78641 Leander (12.2 mi) 78641 Leander (12.2 mi) 78664 Round Rock (12.5 mi)
Demographics updated 06/2026
Population
Total population 41,428
Population density 640 / sq mi
State FIPS 48
County FIPS 491
Geography
Land area 64.71 sq mi
Water area 1.23 sq mi
Latitude 30.6465
Longitude -97.7558
Timezone Central (CT)
Area code 512/737
Total population by age
Gender
Race & ethnicity
Economics updated 06/2026
Household income
Income range This ZIP County avg State avg
Under $50k 20.7% 23.0% 39.5%
$50k – $100k 30.8% 30.5% 30.1%
$100k – $200k 32.5% 34.7% 22.6%
Over $200k 16.0% 11.8% 7.8%

Demographics & statistics

41,428
Population
640
People per sq mi
40.2
Median age
$111,491
Median household income
$55,893
Per capita income
$419,900
Median home value
$1,417
Median monthly rent
77.3%
Home ownership
5.5%
Poverty rate
5.2%
Unemployment
12,497
Housing units
52.5%
Bachelor's or higher

Age distribution

Male Female
1,080
Under 5
1,132
1,469
5–9
1,539
1,335
10–14
1,400
1,410
15–19
1,479
870
20–24
912
2,391
25–34
2,506
2,827
35–44
2,963
2,681
45–54
2,810
1,421
55–59
1,489
1,161
60–64
1,216
2,070
65–74
2,169
926
75–84
970
587
85+
615
← Male
Female →

Age summary

GroupCount%
Under 189,83323.7%
18 and over31,59576.3%
65 and over7,33717.7%
Median age40.2 years

Race & ethnicity

White 75.2%
Hispanic or Latino 7.9%
Two or more races 7.2%
Asian 3.5%
Black or African American 3%
Other race 2.9%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.1%
GroupCount%
White33,82675.2%
Hispanic or Latino3,5377.9%
Two or more races3,2217.2%
Asian1,5953.5%
Black or African American1,3503%
Other race1,3012.9%
American Indian / Alaska Native1010.2%
Native Hawaiian / Pacific Islander340.1%

Household income

Income range This ZIP County avg State avg
Under $50k 20.7% 23.0% 39.5%
$50k – $100k 30.8% 30.5% 30.1%
$100k – $200k 32.5% 34.7% 22.6%
Over $200k 16.0% 11.8% 7.8%
Under $10k 2.2%
$10k–$15k 1.5%
$15k–$25k 3.0%
$25k–$35k 4.2%
$35k–$50k 7.0%
$50k–$75k 13.8%
$75k–$100k 13.8%
$100k–$150k 17.3%
$150k–$200k 16.3%
$200k+ 20.9%
Range% of households
Under $10k2.2%
$10k–$15k1.5%
$15k–$25k3.0%
$25k–$35k4.2%
$35k–$50k7.0%
$50k–$75k13.8%
$75k–$100k13.8%
$100k–$150k17.3%
$150k–$200k16.3%
$200k+20.9%
Median income$111,491

Housing

Home values

Under $50k 0.7%
$50k–$100k 0.2%
$100k–$150k 0.7%
$150k–$200k 1.0%
$200k–$300k 18.1%
$300k–$500k 47.0%
$500k–$1M 26.9%
$1M+ 5.5%

Housing overview

MetricValue
Median home value$419,900
Median rent / month$1,417
Owner occupied77.3%
Renter occupied22.7%
Vacant3.0%
Single-family detached79.1%
Large apartment buildings8.9%
Mobile homes0.3%
Median rooms6.5
Avg household size (owned)2.78

Year built

Era%
2020 or later3.9%
2010–201937.8%
2000–200916.5%
1990–199912.2%
1980–198917.6%
1970–197910.4%
1960–19690.5%
1950–19590.3%
1940–19490.1%
1939 or earlier0.6%

Bedrooms

Size% of units
No bedroom (studio)1.8%
1 bedroom7.0%
2 bedrooms12.5%
3 bedrooms39.9%
4 bedrooms33.5%
5+ bedrooms5.2%

Vehicles per household

Vehicles% of households
No vehicle4.2%
1 vehicle23.3%
2 vehicles48.8%
3 or more23.6%

Heating fuel

Fuel type%
Utility gas37.2%
Electricity55.2%
Propane / LP gas7.1%
Fuel oil0.1%
Solar0.1%
No fuel used0.1%

Households & families

Household typeCount%
Married-couple family10,47867.4%
Cohabiting couple5353.4%
Male householder, no spouse1,69110.9%
Female householder, no spouse2,83918.3%
Households with children under 185,14933.1%
Households with seniors (65+)4,98132.0%
Average household size2.66

Marital status

StatusMaleFemale
Never married23.5%20.1%
Married67.9%62.4%
Separated1.1%0.6%
Widowed2.5%7.3%
Divorced5.0%9.7%

Education

Less than 9th grade 1.9%
Some HS, no diploma 2.5%
HS graduate 15.1%
Some college, no degree 19.8%
Associate's degree 8.2%
Bachelor's degree 32.9%
Graduate / professional 19.6%
Metric%
HS diploma or higher95.6%
Bachelor's or higher52.5%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool5715.7%
Kindergarten7337.3%
Elementary school4,68446.3%
High school2,16221.4%
College / grad school1,95619.4%

Employment

Industry of employment

Education & healthcare 25.0%
Professional & management 15.3%
Retail trade 10.9%
Finance & real estate 8.8%
Manufacturing 7.2%
Arts, food & hospitality 6.3%
Public administration 6.1%
Construction 5.6%
Other services 5.1%
Transportation & utilities 4.5%
Information 2.3%
Wholesale trade 1.7%
Agriculture & mining 1.2%

Occupation

Category%
Management, business & arts54.3%
Service12.3%
Sales & office19.7%
Natural resources & construction7.0%
Production & transportation6.6%

Employment type

Type%
Private sector77.0%
Government15.9%
Self-employed6.9%
Unpaid family workers0.2%

Commute

Method%
Drive alone72.0%
Carpool5.6%
Public transit0.1%
Walk0.5%
Work from home20.5%
Other means1.3%
Avg commute (minutes)28.6

Poverty

All people 5.5%
Under 18 years 5.3%
18 and over 5.6%
Married-couple families 1.8%
Female-led households 25.4%

Income support

Source% of households
Social Security30.0%
Retirement income29.2%
Supplemental Security2.0%
Cash public assistance0.6%
Food stamps / SNAP4.7%

Health indicators

Condition%
Obesity30.3%
High blood pressure33.5%
High cholesterol38.0%
Diabetes10.2%
Heart disease6.2%
Stroke2.7%
Asthma8.5%
Arthritis25.6%
Kidney disease2.7%
Pulmonary disease5.9%
Cancer7.3%
Behavior / access%
Smoking12.8%
Binge drinking18.8%
No physical activity18.6%
Less than 7 hrs sleep29.5%
Depression21.1%
Fair or poor health12.3%
Poor mental health12.9%
Poor physical health9.5%
No health insurance18.4%
Visited doctor (checkup)72.6%
Visited dentist66.4%
Cholesterol screening92.1%
Teeth loss9.8%

Veterans & disability

VeteransCount%
Civilian veterans3,22510.3%
Disability%
Any disability11.7%
Under 182.4%
18–64 years9.1%
65 and over32.8%

Health insurance coverage

Type%
Private insurance83.3%
Public insurance23.6%
No insurance6.3%
Uninsured under 193.7%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only39,21694.7%
Spanish1,4303.6%
Other Indo-European8262.1%
Asian & Pacific Islander2790.7%
Other languages3250.8%

Place of birth & citizenship

OriginCount%
Native born (US)38,47892.9%
Born in same state37,57190.7%
Born in different state21,42751.7%
Foreign born9072.2%
Naturalized citizen2,9507.1%
Not a US citizen1,43248.5%

Ancestry

AncestryCount%
French6,37915.4%
Italian5,88214.2%
Arab2,0084.8%
Dutch5511.3%
AncestryCount%
Polish5461.3%
English4221%
German2220.5%
Irish760.2%

Technology access

Metric% of households
Computer access37.5%
Internet access98.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 78628

What city is ZIP code 78628 in?

ZIP code 78628 is primarily assigned to Georgetown, Texas.

What county is ZIP code 78628 in?

ZIP code 78628 falls within Williamson County, Texas.

How educated is the population of ZIP code 78628?

53% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 78628?

The median home value in ZIP code 78628 is $419,900.

Does ZIP code 78628 have a large veteran population?

10% of civilians in ZIP code 78628 are veterans, above the national average of ~7%.

What is the median household income in ZIP code 78628?

The median household income in ZIP code 78628 is $111,491, above the national median of ~$75,000.

What timezone is ZIP code 78628 in?

ZIP code 78628 observes the CST timezone.

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