ZIP code 78655
Where is ZIP code 78655?
Martindale, Texas
Caldwell County · Standard ZIP code
ZIP code 78655 belongs to Martindale, Texas in Caldwell County. 78655 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 512, 737 and 830. About 3,730 people live in the 78655 area, where the median household income is $55,952. The closest ZIP codes are 78656 (Maxwell, 4.4 mi northeast), 78670 (Staples, 5.1 mi south) and 78666 (San Marcos, 5.9 mi northwest).
| ZIP code | 78655 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Martindale |
| State | Texas (TX) |
| County | Caldwell County |
| Time zone | Central Time · now |
| Area codes | 512, 737, 830 |
| Coordinates | 29.8394, -97.8508 map |
| 3-digit prefix | 786 |
Population and income in 78655
| Population | 3,730 · lower than 56% of Texas ZIP codes |
|---|---|
| People per square mile | 130 · higher than 55% of Texas ZIP codes |
| Median age | 44.6 years · higher than 77% of Texas ZIP codes |
| Men / women | 51% / 49% |
| Median household income | $55,952 · lower than 76% of Texas ZIP codes |
| Income per person | $29,805 |
| Below the poverty line | 17% |
| Bachelor’s degree or higher | 20% of adults 25+ |
| Median home value | $269,900 · higher than 69% of Texas ZIP codes |
| Median rent | $1,093 a month |
| Housing units | 1,433 |
| Households | 1,388 (2.69 people on average) |
| Owners / renters | 65% / 35% |
| Land area | 28.68 sq mi (plus 0.24 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 78655. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 78655
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 78656 | Maxwell, TX | 4.4 mi NE | Standard |
| 78670 | Staples, TX | 5.1 mi S | PO Box only |
| 78666 | San Marcos, TX | 5.9 mi NW | Standard |
| 78622 | Fentress, TX | 7.3 mi SE | PO Box only |
| 78661 | Prairie Lea, TX | 10.2 mi SE | PO Box only |
| 78640 | Kyle, TX | 10.9 mi N | Standard |
| 78644 | Lockhart, TX | 10.9 mi E | Standard |
| 78638 | Kingsbury, TX | 11.6 mi S | Standard |
| 78130 | New Braunfels, TX | 15.6 mi SW | Standard |
| 78648 | Luling, TX | 16.2 mi SE | Standard |
| 78156 | Seguin, TX | 17.3 mi SW | PO Box only |
| 78610 | Buda, TX | 17.4 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 78655 or measure the distance to another ZIP code.
How to address mail to 78655
123 MAIN ST
MARTINDALE TX 78655
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (78655-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 78655?
- 78655 is a Martindale, Texas ZIP code.
- What county is 78655 in?
- ZIP code 78655 is in Caldwell County, Texas.
- What time zone is ZIP code 78655 in?
- 78655 is in the Central Time zone (America/Chicago).
- What area code is 78655?
- Phone numbers in ZIP code 78655 use area codes 512, 737 and 830.
- What is the population of ZIP code 78655?
- About 3,730 people live in ZIP code 78655, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 78655?
- The median household income in 78655 is $55,952 a year, lower than 76% of Texas ZIP codes.
- What ZIP codes are near 78655?
- The nearest ZIP codes to 78655 are 78656 (Maxwell, 4.4 miles), 78670 (Staples, 5.1 miles), 78666 (San Marcos, 5.9 miles) and 78622 (Fentress, 7.3 miles).