Residential delivery area · Texas

ZIP Code 78626: Georgetown, TX

ZIP code 78626 uses the postal name Georgetown, Texas and lies entirely in Williamson County (Census 2020 ZIP-county file). About 48,000 people live there (Census Bureau, ACS 2020-2024), the 2nd most populous of Georgetown's 3 residential ZIP codes. Median household income is $100,431 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Georgetown (23%) and Weir (1%), and under 1% in smaller places; 75% is outside any Census place.

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
7national area: Texas, Arkansas, Louisiana and Oklahoma
786sectional center: Austin, TX (SCF 786)
26delivery area within it
Town
Georgetown · 3 residential ZIPs
Census places
Georgetown (23%); Weir (1%)
Metro area
Austin-Round Rock-San Marcos, TX
House district
TX-31 119th Congress
State
Texas
Time zone
Central
Land area
88.6 sq mi · 543 people per sq mi
PO Box ZIPs
78627 also use the name Georgetown

Where is ZIP code 78626?

78626 centers on 30.658°, -97.618° and covers 88.6 square miles of land plus 0.7 of water. It borders 9 ZIP codes: 78674, 78665, 78634, 78628, 78633, 78681, 76537, 76530, 76574.

76530 · Granger76537 · Jarrell76574 · Taylor78628 · Georgetown78633 · Georgetown78634 · Hutto78665 · Round Rock78674 · Weir78681 · Round Rock78626 · Georgetown (this ZIP)78626765747653078633786287863476537786817866576530 · Granger76537 · Jarrell76574 · Taylor78628 · Georgetown78633 · Georgetown78634 · Hutto78665 · Round Rock78674 · Weir78681 · Round Rock78626 · Georgetown (this ZIP)78626765747653078633786287863476537786817866576530 · Granger76537 · Jarrell76574 · Taylor78628 · Georgetown78633 · Georgetown78634 · Hutto78665 · Round Rock78674 · Weir78681 · Round Rock78626 · Georgetown (this ZIP)7862676574765307863378628786347653778681
Shaded by median household income, in national fifths (ACS 2020-2024); 78626 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 78626, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

How does 78626 compare with the rest of Georgetown?

Rank of 78626 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure78626In GeorgetownIn Williamson CountyIn TX
People (ACS 2020-2024)48,0722nd of 37th of 27156th of 1,990
Median household income$100k3rd of 314th of 22239th of 1,172
Median home value$388k3rd of 315th of 24209th of 1,172

Its median household income is higher than in 81% of U.S. residential ZIP codes, and it is denser than 73% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 78626?

The 2020 Census counted 39,935 people in 78626; the ACS, which samples households over 2020-2024, estimates 48,072. Between the 2010 and 2020 censuses its population grew 53.6% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
48,072
2020 Census count
39,935+53.6% since 2010 (25,996)
Households
16,813
Median age
33.5

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 78626?

Of the 48,072 people the ACS estimates in 78626, 24.3% are under 18 and 10.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (53.6%), then Hispanic or Latino (31.4%).

  • Under 1824.3%
  • 18 to 6465.6%
  • 65 and older10.1%
Age of the people of 78626 (ACS 2020-2024, B01001)
  • White, not Hispanic53.6%
  • Hispanic or Latino31.4%
  • Black, not Hispanic6.4%
  • Other or two or more4.4%
  • Asian, not Hispanic4.3%
Race and Hispanic origin in 78626 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 78626 earn?

Median household income is $100,431 (ACS 2020-2024), the 14th highest of the 22 ranked ZIP codes in Williamson County. It rose from $87,899 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.

Median household income
$100,431
Income per person
$43,658
Below the poverty line
8.2%
Unemployed (of the labor force)
4.1%
Adults 25+ with a bachelor's degree
36.0%
Adjusted gross income per tax return, 2022
$87,40422,260 returns; wages 75% of AGI (IRS)

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 78626?

FHFA's house price index for 78626, built from repeat sales and appraisals of the same homes, rose 106% from 2015 to 2025 and rose 47% from 2020 to 2025, and moved −0.8% in 2025.

Median home value (owners' estimate)
$387,700
Median gross rent
$1,879
Homes owned by their occupants
61.8%
Housing units
17,865
0 200 400 600 19922000201020202025 0 200 400 600 19922000201020202025 0 200 400 600 19922000201020202025
Index = 100 in 1992, the first year FHFA reports for 78626; 2025: 626.9. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.

What businesses are in 78626?

1,089 business establishments had a location in this ZIP code in 2023, 218 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).

  • Professional, scientific, and technical services151
  • Retail trade127
  • Health care and social assistance118
  • Construction115
  • Other services (except public administration)112
  • Accommodation and food services102

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 78626?

ZIP codes that share a boundary with 78626, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
78674Weir108–1.4 mi
78665Round Rock66,171$123k7.6 mi
78634Hutto46,413$114k8.1 mi
78628Georgetown50,822$126k9.6 mi
78633Georgetown29,309$101k9.8 mi
78681Round Rock56,691$138k9.9 mi
76537Jarrell16,272$98k11.0 mi
76530Granger2,598$106k12.1 mi
76574Taylor20,242$79k14.7 mi
78664Round Rock62,060$87k10.7 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.