ZIP code 78657
Where is ZIP code 78657?
Horseshoe Bay, Texas
Llano County · Standard ZIP code
ZIP code 78657 belongs to Horseshoe Bay, Texas in Llano County. 78657 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area codes 325 and 830. About 7,591 people live in the 78657 area, where the median household income is $91,452. The closest ZIP codes are 78654 (Marble Falls, 6.3 mi east), 78663 (Round Mountain, 7.9 mi southwest) and 78639 (Kingsland, 9.5 mi northwest).
| ZIP code | 78657 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Horseshoe Bay |
| Also accepted | Cottonwd Shrs, Cottonwood Shores, Marble Falls |
| State | Texas (TX) |
| County | Llano County |
| Time zone | Central Time · now |
| Area codes | 325, 830 |
| Coordinates | 30.5443, -98.3739 map |
| 3-digit prefix | 786 |
Population and income in 78657
| Population | 7,591 · higher than 53% of Texas ZIP codes |
|---|---|
| People per square mile | 196 · higher than 59% of Texas ZIP codes |
| Median age | 59.3 years · higher than 95% of Texas ZIP codes |
| Men / women | 48% / 52% |
| Median household income | $91,452 · higher than 78% of Texas ZIP codes |
| Income per person | $68,540 |
| Below the poverty line | 4.9% |
| Bachelor’s degree or higher | 43% of adults 25+ |
| Median home value | $483,200 · higher than 93% of Texas ZIP codes |
| Median rent | $1,492 a month |
| Housing units | 5,385 |
| Households | 3,526 (2.15 people on average) |
| Owners / renters | 81% / 19% |
| Land area | 38.77 sq mi (plus 3.66 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 78657. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 78657
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 78654 | Marble Falls, TX | 6.3 mi E | Standard |
| 78663 | Round Mountain, TX | 7.9 mi SW | Standard |
| 78639 | Kingsland, TX | 9.5 mi NW | Standard |
| 78609 | Buchanan Dam, TX | 14.8 mi N | Standard |
| 78636 | Johnson City, TX | 17.2 mi S | Standard |
| 78611 | Burnet, TX | 17.3 mi N | Standard |
| 78675 | Willow City, TX | 18.4 mi W | Standard |
| 78643 | Llano, TX | 18.4 mi NW | Standard |
| 78607 | Bluffton, TX | 21.2 mi NW | Standard |
| 78669 | Spicewood, TX | 21.8 mi SE | Standard |
| 78672 | Tow, TX | 22.5 mi N | Standard |
| 78605 | Bertram, TX | 23.4 mi NE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 78657 or measure the distance to another ZIP code.
How to address mail to 78657
123 MAIN ST
HORSESHOE BAY TX 78657
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts COTTONWD SHRS, COTTONWOOD SHORES and MARBLE FALLS as the city name for 78657. Adding the 4-digit ZIP+4 code (78657-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 78657?
- 78657 is a Horseshoe Bay, Texas ZIP code. Cottonwd Shrs, Cottonwood Shores and Marble Falls are also accepted as the city name.
- What county is 78657 in?
- ZIP code 78657 is in Llano County, Texas.
- What time zone is ZIP code 78657 in?
- 78657 is in the Central Time zone (America/Chicago).
- What area code is 78657?
- Phone numbers in ZIP code 78657 use area codes 325 and 830.
- What is the population of ZIP code 78657?
- About 7,591 people live in ZIP code 78657, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 78657?
- The median household income in 78657 is $91,452 a year, higher than 78% of Texas ZIP codes.
- What ZIP codes are near 78657?
- The nearest ZIP codes to 78657 are 78654 (Marble Falls, 6.3 miles), 78663 (Round Mountain, 7.9 miles), 78639 (Kingsland, 9.5 miles) and 78609 (Buchanan Dam, 14.8 miles).