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Markham CDP, TX

ZIP 77456 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Working ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 77456

77456 has a population of 1,447 with a median age of 20.6 yrs (43.6% male).

Race & Ethnicity
White
76.6%+24% vs US avg
x
Black
0.0%
x
Asian
0.0%
x
Hispanic
26.5%+42% vs US avg
x
Age Groups
0–17
35.7%+62% vs US avg
x
18–64
48.8%-21% vs US avg
x
65+
15.6%-5% vs US avg
x
Education
Less than HS
19.4%+75% vs US avg
x
High school
40.2%+53% vs US avg
x
Some college
19.4%-33% vs US avg
x
Bachelor's+
20.9%-38% vs US avg
x
Marital Status
Married
48.7%+1% vs US avg
x
Never married
43.1%+28% vs US avg
x
Divorced
2.3%-78% vs US avg
x
Widowed / Separated
5.9%
x
Diversity Index
34/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
31.0%+170% vs US avg
x
Veterans
2.6%-57% vs US avg
x
Disability
10.4%-23% vs US avg
x
Single Parent
7.3%-10% vs US avg
x
Top ancestry
GermanEnglishItalian

Health & Community Indicators in 77456

Poverty Rate
31.0%+170% vs US avg
x
Veterans
2.6%-57% vs US avg
x
Single Parent
7.3%-10% vs US avg
x
Disability
10.4%-23% vs US avg
x
Uninsured
16.4%+105% vs US avg
x
SNAP Benefits
14.8%+27% vs US avg
x
Private School
0.0%
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population1,447
Median age20.6
Poverty rate31.0%
Demographics statistics
Demographics
White76.6%
Hispanic26.5%
Black0.0%
Asian0.0%