PlainZIP

Marietta, TX · standard

ZIP Code 75566

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

782
6/sq mi
$39,219
Median income
$115,400
Median home value
3.4%
Bachelor's or higher

The verdict

Marietta pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.

5th pct
household income, US ZIPs
15th pct
home value, US ZIPs
6
people per sq mi
83%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 75566 against every reporting US ZIP.

ZIP code 75566 is a sparsely populated ZIP (a standard USPS delivery area) in Marietta, Cass County, Texas, home to just 782 residents across 124.1 square miles, a density of 6 people per square mile, in the Chicago time zone.

ZIP 75566 sits on the lower end of the income spectrum: median household income is $39,219 (48% below the Texas average), while per-capita income is $15,146. Local economic indicators show a 30.6% poverty rate alongside 4.8% unemployment. The typical home here is valued at $115,400 (53% below the state average); renters pay a median of - monthly, and 82.9% of units are owner-occupied.

Formal educational attainment runs low here: just 3.4% of adults hold a bachelor's degree or higher, the median age is 30, and the average commute is -. We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Cass County, so you can benchmark 75566 against its immediate geography rather than a national average 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 →

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 75566, Marietta, 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

782

Population

124.1

Area (sq mi)

6

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 75566?

30.0

Median Age

56.3%

Male

43.7%

Female

0.1%

Foreign-Born

White 37.1%
African American 54.9%
Asian 0.1%
American Indian or Alaska Native 0.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.1%
Hispanic or Latino 0.2%

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?

$39,219

Median Household Income

-48% vs state

$15,146

Per Capita Income

30.6%

Poverty Rate

4.8%

Unemployment Rate

How ZIP 75566 ranks nationally

Marietta, TX household income vs. every US ZIP code

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

$39,219 5th percentile higher than 5% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). This entry sits in this band. $40,000–$60,000: 7,092 US ZIPs (23%). Above this entry. $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 55.0%
Bachelor's Degree or Higher 3.4%

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

What does housing look like?

347

Total Housing Units

245

Occupied Units

102

Vacant Units

3.62

Avg Household Size

Occupancy Type

Owner 82.9%
Renter 17.1%

$115,400

Median Home Value

-53% vs state

1989

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 3 business establishments in ZIP 75566, employing approximately 7 people with a combined annual payroll of $115,000.

3

Businesses

7

Employees

$115K

Annual Payroll

0

Industry Sectors

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 75566 vs 75568 →

ZIP 75566 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 75566 ranks #5 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 75566 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 75566 ranks #5 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
75568 Naples, TX 2,876 7.1 mi
75560 Douglassville, TX 1,088 7.6 mi
75656 Hughes Springs, TX 4,804 11.4 mi
75563 Linden, TX 4,282 11.5 mi

More ZIP Codes in Cass County

75551 standard
Atlanta, TX
Pop: 11,007
75656 standard
Hughes Springs, TX
Pop: 4,804
75563 standard
Linden, TX
Pop: 4,282
75572 standard
Queen City, TX
Pop: 3,491
75555 standard
Bivins, TX
Pop: 1,611
75556 standard
Bloomburg, TX
Pop: 1,133

Related Areas

Cass County Marietta, TX Texas

Frequently Asked Questions

What county is ZIP code 75566 in? ▼
ZIP code 75566 (Marietta) is located in Cass County, Texas. Cass County contains multiple ZIP codes, see the full list at /counties/cass-tx.
What is the population of ZIP code 75566? ▼
ZIP code 75566 in Marietta, TX has a population of 782 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 75566? ▼
The median household income in ZIP 75566 is $39,219, which is 49% below the national average of $76,288.
What is the average home value in ZIP 75566? ▼
The median home value in ZIP 75566 is $115,400, which is 59% below the national average of $278,155.
What is the demographic makeup of ZIP 75566? ▼
The largest racial group in ZIP 75566 is African American at 54.9%. Hispanic or Latino residents make up 0.2% of the population.
How many businesses are in ZIP code 75566? ▼
ZIP code 75566 has 3 business establishments employing approximately 7 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 75566? ▼
In ZIP code 75566, 55.0% of residents aged 25+ have a high school diploma or higher, and 3.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 75566? ▼
In ZIP code 75566, approximately 82.9% of occupied housing units are owner-occupied and 17.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 75566? ▼
The poverty rate in ZIP code 75566 is 30.6% 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.