78620
ZIP 78620 is Dripping Springs, Texas, mostly in Hays County; area codes 737 and 512; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Hays +2 more
- Metro area
- Austin-Round Rock-San Marcos, TX
- Population
- 22,860
- Coordinates
- 30.2256, -98.1363
Weather right now
Asking the National Weather Service…
Where 78620 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 78620 into a pocket calculator and turn it upside down: OZgBL — not quite a word, sorry.
- ➕ As a number, 78,620 = 2 × 2 × 5 × 3931. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011001100011100 - 🏠 Its numerical neighbours: 78619 (Driftwood, TX, 10 mi away) and 78621 (Elgin, TX, 47 mi away).
- 🔄 Backwards, 78620 becomes 02687, which is not a ZIP code at all.
- 👥 47 other ZIP codes are made of exactly the same digits (02768, 02876, 06278, 06782, 07628, 07826, …). The farthest-flung twin is 02768 in Raynham Center, MA, 1,700 miles away.
- 🧭 Farther south than 92% of all ZIP codes, and farther west than 77%.
- 🎯664 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 78620 and you would come out at 30.23°S, 81.86°E — 1,455 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 06m of daylight. Shortest: 10h 12m.
- 📏 At 175.6 square miles of land, 78620 is bigger than 89% of ZIP codes — room for about 133 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 22,860This ZIP22,860 |
|---|---|
| Households | 8,276This ZIP8,276 |
| Housing units | 8,664This ZIP8,664 |
| Median age | 42.7This ZIP42.7Texas35.6US 38.9 |
| Median household income | $153,477This ZIP$153,477Texas$78,476US $80,734 |
| Median home value | $676,500This ZIP$676,500Texas$283,800US $332,700 |
| Median gross rent | $1,965This ZIP$1,965Texas$1,403US $1,413 |
| Bachelor's degree or higher | 66.7%This ZIP66.7% |
| Mean commute | 32.1 minThis ZIP32.1 min |
| Population density | 130.2 / sq miThis ZIP130.2 / sq mi |
Business and tax activity
| Business establishments | 918This ZIP918 |
|---|---|
| Employees | 10,015This ZIP10,015 |
| Annual payroll | $529,368,000This ZIP$529,368,000 |
| Tax returns filed | 11,710This ZIP11,710 |
| Total adjusted gross income | $2,115,465,000This ZIP$2,115,465,000 |
Land area
| Land area | 175.60 sq miThis ZIP175.60 sq mi |
|---|---|
| Water area | 0.43 sq miThis ZIP0.43 sq mi |
Counties 78620 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Hays County | 85.5% |
| Travis County | 9.6% |
| Blanco County | 5.0% |
Other place names in 78620
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 78620
| ZIP | City | Distance |
|---|---|---|
78619 | Driftwood, TX | 10.0 mi |
78738 | Austin, TX | 10.4 mi |
78737 | Austin, TX | 11.2 mi |
78736 | Austin, TX | 11.2 mi |
78676 | Wimberley, TX | 13.0 mi |
78667 | San Marcos, TX | 14.2 mi |
78669 | Spicewood, TX | 15.0 mi |
78739 | Austin, TX | 15.1 mi |
78734 | Austin, TX | 15.5 mi |
78735 | Austin, TX | 16.2 mi |
Find every ZIP code within 10 miles of 78620 →
Questions about this ZIP code
Where is ZIP code 78620?
78620 is in Dripping Springs, Texas, in Hays County, part of the Austin-Round Rock-San Marcos, TX metropolitan area. Its published point location is 30.2256, -98.1363.
What county is 78620 in?
78620 spans 3 counties: Hays County, Travis County and Blanco County. Most of it falls in Hays County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 78620?
Dripping Springs uses area codes 737 and 512, from NANPA's telephone records.
What time zone is 78620 in?
78620 uses America/Chicago.
How many people live in 78620?
About 22,860 people live in ZIP code 78620, in 8,276 households, at 130.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 78620?
$153,477 a year, against $78,476 across Texas.
What ZIP codes are near 78620?
The closest are 78619 (10 mi), 78738 (10.4 mi), 78737 (11.2 mi), 78736 (11.2 mi) and 78676 (13 mi).
Is 78620 a PO Box ZIP code?
78620 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “78620 ZIP Code — Dripping Springs, Texas (Hays County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78620
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/78620.json Underlying data is public domain or openly licensed — sources, vintages and licences.