Residential delivery area · Texas
ZIP Code 78620: Dripping Springs, TX
ZIP code 78620 uses the postal name Dripping Springs, Texas and lies mostly in Hays County (85% of its land), reaching into Travis County and Blanco County (Census 2020 ZIP-county file). About 23,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $153,477 (Census Bureau, ACS 2020-2024). By Census place, 5% of its land lies in Dripping Springs; 95% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Dripping Springs · its only residential ZIP
- County
- Hays County (85%); Travis County (10%); Blanco County (5%)
- Census places
- Dripping Springs
- Metro area
- Austin-Round Rock-San Marcos, TX
- House districts
- TX-21 (90%), TX-10 (10%) 119th Congress, by share of land
- State
- Texas
- Time zone
- Central
- Land area
- 175.6 sq mi · 130 people per sq mi
Where is ZIP code 78620?
78620 centers on 30.226°, -98.136° and covers 175.6 square miles of land plus 0.4 of water. It borders 9 ZIP codes: 78619, 78738, 78736, 78737, 78676, 78669, 78663, 78636, 78606.
The map draws ZIP code areas only. For the streets inside 78620, 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 78620 compare with the rest of Hays County?
| Measure | 78620 | In Hays County | In TX |
|---|---|---|---|
| People (ACS 2020-2024) | 22,860 | 5th of 13 | 532nd of 1,990 |
| Median household income | $154k | 4th of 9 | 36th of 1,172 |
| Median home value | $677k | 4th of 11 | 38th of 1,172 |
Its median household income is higher than in 97% of U.S. residential ZIP codes, and it is denser than 57% 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 78620?
The 2020 Census counted 20,493 people in 78620; the ACS, which samples households over 2020-2024, estimates 22,860. Between the 2010 and 2020 censuses its population grew 42.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 22,860
- 2020 Census count
- 20,493+42.6% since 2010 (14,367)
- Households
- 8,276
- Median age
- 42.7
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 78620?
Of the 22,860 people the ACS estimates in 78620, 26.5% are under 18 and 16.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (76.3%), then Hispanic or Latino (12.8%).
- Under 1826.5%
- 18 to 6457.4%
- 65 and older16.1%
- White, not Hispanic76.3%
- Hispanic or Latino12.8%
- Other or two or more6.5%
- Asian, not Hispanic3.6%
- Black, not Hispanic0.7%
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 78620 earn?
Median household income is $153,477 (ACS 2020-2024), the 4th highest of the 9 ranked ZIP codes in Hays County. It rose from $133,214 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $153,477
- Income per person
- $70,947
- Below the poverty line
- 3.9%
- Unemployed (of the labor force)
- 2.4%
- Adults 25+ with a bachelor's degree
- 66.7%
- Adjusted gross income per tax return, 2022
- $180,65511,710 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 78620?
FHFA's house price index for 78620, built from repeat sales and appraisals of the same homes, rose 104% from 2015 to 2025 and rose 51% from 2020 to 2025, and moved +6.5% in 2025.
- Median home value (owners' estimate)
- $676,500
- Median gross rent
- $1,965
- Homes owned by their occupants
- 85.9%
- Housing units
- 8,664
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 78620?
918 business establishments had a location in this ZIP code in 2023, 255 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services158
- Construction134
- Health care and social assistance77
- Real estate and rental and leasing75
- Other services (except public administration)73
- Retail trade64
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 78620?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 78619 | Driftwood | 6,693 | $183k | 10.0 mi |
| 78738 | Austin | 31,019 | $183k | 10.4 mi |
| 78736 | Austin | 9,651 | $94k | 11.2 mi |
| 78737 | Austin | 27,023 | $169k | 11.2 mi |
| 78676 | Wimberley | 15,822 | $87k | 13.0 mi |
| 78669 | Spicewood | 12,592 | $128k | 15.0 mi |
| 78663 | Round Mountain | 503 | $168k | 16.8 mi |
| 78636 | Johnson City | 4,134 | $73k | 18.3 mi |
| 78606 | Blanco | 7,272 | $95k | 21.5 mi |
| 78739 | Austin | 20,659 | $239k | 15.1 mi (near) |
| 78734 | Austin | 22,145 | $131k | 15.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.