Residential delivery area · Texas

ZIP Code 78645: Leander, TX

ZIP code 78645 uses the postal name Leander, Texas and lies entirely in Travis County (Census 2020 ZIP-county file). About 15,000 people live there (Census Bureau, ACS 2020-2024), the less populous of Leander's 2 residential ZIP codes. Median household income is $113,008 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Lago Vista (44%), Jonestown (16%) and Point Venture (3%); 37% is outside any Census place.

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
7national area: Texas, Arkansas, Louisiana and Oklahoma
786sectional center: Austin, TX (SCF 786)
45delivery area within it
Town
Leander · 2 residential ZIPs
Census places
Lago Vista (44%); Jonestown (16%); Point Venture (3%)
Metro area
Austin-Round Rock-San Marcos, TX
House district
TX-10 119th Congress
State
Texas
Time zone
Central
Land area
32.6 sq mi · 468 people per sq mi
PO Box ZIPs
78646 also use the name Leander

Where is ZIP code 78645?

78645 centers on 30.450°, -97.972° and covers 32.6 square miles of land plus 6.4 of water. It borders 4 ZIP codes: 78734, 78641, 78669, 78654.

78641 · Leander78654 · Marble Falls78669 · Spicewood78734 · Austin78645 · Leander (this ZIP)786457865478641786697873478641 · Leander78654 · Marble Falls78669 · Spicewood78734 · Austin78645 · Leander (this ZIP)7864578641786697873478641 · Leander78654 · Marble Falls78669 · Spicewood78734 · Austin78645 · Leander (this ZIP)78645786417866978734
Shaded by median household income, in national fifths (ACS 2020-2024); 78645 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 78645, 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 78645 compare with the rest of Leander?

Rank of 78645 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)
Measure78645In LeanderIn Travis CountyIn TX
People (ACS 2020-2024)15,2562nd of 244th of 60682nd of 1,990
Median household income$113k2nd of 220th of 52145th of 1,172
Median home value$435k2nd of 239th of 56153rd of 1,172

Its median household income is higher than in 88% of U.S. residential ZIP codes, and it is denser than 71% 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 78645?

The 2020 Census counted 14,051 people in 78645; the ACS, which samples households over 2020-2024, estimates 15,256. Between the 2010 and 2020 censuses its population grew 43.8% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
15,256
2020 Census count
14,051+43.8% since 2010 (9,773)
Households
7,048
Median age
54.4

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 78645?

Of the 15,256 people the ACS estimates in 78645, 13.5% are under 18 and 27.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (76.9%), then Hispanic or Latino (13.8%).

  • Under 1813.5%
  • 18 to 6459.3%
  • 65 and older27.2%
Age of the people of 78645 (ACS 2020-2024, B01001)
  • White, not Hispanic76.9%
  • Hispanic or Latino13.8%
  • Other or two or more7.2%
  • Black, not Hispanic1.1%
  • Asian, not Hispanic1.0%
Race and Hispanic origin in 78645 (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 78645 earn?

Median household income is $113,008 (ACS 2020-2024), the 20th highest of the 52 ranked ZIP codes in Travis County. It rose from $98,379 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.

Median household income
$113,008±$13,091
Income per person
$65,813
Below the poverty line
7.3%
Unemployed (of the labor force)
5.1%
Adults 25+ with a bachelor's degree
45.9%
Adjusted gross income per tax return, 2022
$144,9248,260 returns; wages 59% 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 78645?

FHFA's house price index for 78645, built from repeat sales and appraisals of the same homes, rose 95% from 2015 to 2025 and rose 38% from 2020 to 2025, and moved −13.7% in 2025.

Median home value (owners' estimate)
$434,600
Median gross rent
$1,608
Homes owned by their occupants
90.8%
Housing units
7,984
0 100 200 300 400 500 198619902000201020202025 0 100 200 300 400 500 198619902000201020202025 0 100 200 300 400 500 198619902000201020202025
Index = 100 in 1986, the first year FHFA reports for 78645; 2025: 405.4. 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 78645?

385 business establishments had a location in this ZIP code in 2023, 135 more than in 2018; the most are in construction (ZIP Code Business Patterns).

  • Construction70
  • Professional, scientific, and technical services61
  • Other services (except public administration)40
  • Accommodation and food services37
  • Administrative and support and waste management and remediation services33
  • Retail trade28

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 78645?

ZIP codes that share a boundary with 78645, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
78734Austin22,145$131k5.0 mi
78641Leander99,865$135k8.2 mi
78669Spicewood12,592$128k9.0 mi
78654Marble Falls20,650$74k16.5 mi
78732Austin21,087$193k6.8 mi (near)
78726Austin14,506$91k8.0 mi (near)
78613Cedar Park89,956$126k9.9 mi (near)
78730Austin9,142$159k9.9 mi (near)
78738Austin31,019$183k9.9 mi (near)

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