PlainZIP

Martindale, TX · standard

ZIP Code 78655

Caldwell County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

2,739
30/sq mi
$55,952
Median income
$269,900
Median home value
20.1%
Bachelor's or higher

The verdict

Martindale pairs one of the lowest household incomes in the country with above-median home values, in a rural, homeowner-dominated area.

22th pct
household income, US ZIPs
Top 39%
home value, US ZIPs
30
people per sq mi
65%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 78655 against every reporting US ZIP.

ZIP code 78655 covers 92.2 square miles in Martindale, Caldwell County, Texas (a standard USPS delivery area), with a modest 2,739 residents on file, a density of 30 people per square mile, in the Chicago time zone.

ZIP 78655 reports a modest median household income of $55,952 (26% below the Texas average), while per-capita income is $29,805. Local economic indicators show a 16.5% poverty rate alongside 13.0% unemployment. Housing costs here run $269,900 for a typical home value (9% above the state average), with rent averaging $1,093 a month; 65.3% of homes are owner-occupied.

Educational attainment sits below the national norm: 20.1% of adults hold a bachelor's degree or higher, the median age is 44.6, and the average commute is 33 minutes. Beyond these figures, 5 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Caldwell County, letting you compare 78655 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 78655

Top 5 sectors by establishment count in Martindale, TX

Which industries have the most business establishments in ZIP 78655.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 78655, Martindale, TX · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

2,739

Population

92.2

Area (sq mi)

30

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 78655?

44.6

Median Age

51.1%

Male

48.9%

Female

14.4%

Foreign-Born

White 40.3%
African American 0.8%
Asian 0.5%
American Indian or Alaska Native 0.7%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 46.5%
Hispanic or Latino 63.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$55,952

Median Household Income

-26% vs state

$29,805

Per Capita Income

16.5%

Poverty Rate

13.0%

Unemployment Rate

33.4 min

Mean Commute Time

How ZIP 78655 ranks nationally

Martindale, TX household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$55,952 22nd percentile higher than 22% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 48.5%
Bachelor's Degree or Higher 20.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,433

Total Housing Units

1,388

Occupied Units

45

Vacant Units

2.69

Avg Household Size

Occupancy Type

Owner 65.3%
Renter 34.7%

$269,900

Median Home Value

+9% vs state

$1,093

Median Rent

1991

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 44 business establishments in ZIP 78655, employing approximately 190 people with a combined annual payroll of $7,059,000.

44

Businesses

190

Employees

$7.1M

Annual Payroll

6

Industry Sectors

Industry Establishments % of Total
Construction 9 20.4%
Retail trade 5 11.4%
Professional, scientific, and technical services 5 11.4%
Health care and social assistance 4 9.1%
Other services (except public administration) 4 9.1%
Accommodation and food services 3 6.8%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 78655 vs 78670 →

ZIP 78655 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 78655 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 78655 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 78655 ranks #4 of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
78670 Staples, TX 168 3.2 mi
78656 Maxwell, TX 2,271 6.2 mi
78622 Fentress, TX 296 5.7 mi
78661 Prairie Lea, TX 335 8.0 mi
78666 San Marcos, TX 63,836 8.8 mi

More ZIP Codes in Caldwell County

78644 standard
Lockhart, TX
Pop: 17,081
78648 standard
Luling, TX
Pop: 7,683
78616 standard
Dale, TX
Pop: 7,092
78656 standard
Maxwell, TX
Pop: 2,271
78661 standard
Prairie Lea, TX
Pop: 335
78622 standard
Fentress, TX
Pop: 296

Related Areas

Caldwell County Martindale, TX Texas

Frequently Asked Questions

What county is ZIP code 78655 in? ▼
ZIP code 78655 (Martindale) is located in Caldwell County, Texas. Caldwell County contains multiple ZIP codes, see the full list at /counties/caldwell-tx.
What is the population of ZIP code 78655? ▼
ZIP code 78655 in Martindale, TX has a population of 2,739 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 78655? ▼
The median household income in ZIP 78655 is $55,952, which is 27% below the national average of $76,288.
What is the average home value in ZIP 78655? ▼
The median home value in ZIP 78655 is $269,900, which is 3% below the national average of $278,155.
What is the demographic makeup of ZIP 78655? ▼
The largest racial group in ZIP 78655 is Two or More Ethnicities at 46.5%. Hispanic or Latino residents make up 63.7% of the population.
How many businesses are in ZIP code 78655? ▼
ZIP code 78655 has 44 business establishments employing approximately 190 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 78655? ▼
The top industries by establishment count in ZIP 78655 are: Construction (9), Retail trade (5), Professional, scientific, and technical services (5). There are 6 industry sectors represented in total.
What is the education level in ZIP code 78655? ▼
In ZIP code 78655, 48.5% of residents aged 25+ have a high school diploma or higher, and 20.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 78655? ▼
The mean commute time for workers in ZIP code 78655 is 33.4 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 78655? ▼
In ZIP code 78655, approximately 65.3% of occupied housing units are owner-occupied and 34.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 78655? ▼
The poverty rate in ZIP code 78655 is 16.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.