Leander, TX ZIP codes
Leander, Texas has 3 ZIP codes, including 1 PO Box ZIP. They are in Travis County and Williamson County.
- Population in these ZIPs
- 115,121
- Avg. median income
- $132,100population-weighted
- Typical home value
- $423,600population-weighted
- Metro area
- Austin-Round Rock-San Marcos, TX
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Leander, TX ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 78641 | Travis County | 99,865 | $135,024 | $425,300 |
| 78645 | Travis County | 15,256 | $113,008 | $412,300 |
| 78646 PO Box | Williamson County | — | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Leander
- Cedar Park 6 mi
- Liberty Hill 12 mi
- Spicewood 14 mi
- Georgetown 16 mi
- Round Rock 17 mi
- Austin 18 mi
- Marble Falls 18 mi
- Bertram 19 mi
- Pflugerville 19 mi
- Weir 21 mi
- Hutto 22 mi
- Florence 22 mi
Frequently asked questions
What county is Leander, Texas in?
Leander ZIP codes are in Travis County and Williamson County.
Which Leander ZIP codes are PO Boxes?
78646 is a PO Box or single-organization ZIP code; it has no residential delivery area.