Markham, TX · standard
ZIP Code 77456
Matagorda County, Texas - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,303
- 10/sq mi Low-density area
- $65,284
- Median income Near-median income area
- $128,600
- Median home value Below-median home value
- 15.2%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Markham pairs a below-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 39th pct
- household income, US ZIPs
- 19th pct
- home value, US ZIPs
- 10
- people per sq mi
- 100%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 77456 against every reporting US ZIP.
ZIP code 77456 is a sparsely populated ZIP (a standard USPS delivery area) in Markham, Matagorda County, Texas, home to just 1,303 residents across 135.7 square miles, a density of 10 people per square mile, in the Chicago time zone.
ZIP 77456 reports a modest median household income of $65,284 (14% below the average Texas ZIP), while per-capita income is $17,418. The poverty rate is 35.8%, so the area-level income figures should not be treated as typical household experience. Home values sit below the statewide ZIP benchmark: the median is $128,600 (48% below the average Texas ZIP); owner occupancy is 100.0%.
Educational attainment sits below the national norm: 15.2% of adults hold a bachelor's degree or higher, the median age is 18.8, and the average commute is -. The page also surfaces 3 ZIP codes within roughly 10 miles and 6 more in Matagorda County, so 77456 can be compared with both its immediate and county-level context.
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 77456, Markham, 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
1,303
Population
135.7
Area (sq mi)
10
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 77456?
18.8
Median Age
42.8%
Male
57.2%
Female
0.0%
Foreign-Born
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?
$65,284
Median Household Income
-14% vs state ZIP avg
$17,418
Per Capita Income
35.8%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 77456 ranks among Texas ZIPs
Markham, TX household income vs. every Texas ZIP code
Median household income among 1,737 reporting Texas ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$65,284 42nd percentile higher than 42% of 1,737 Texas ZIPs
Each bar is a $20K-wide band; taller bars hold more Texas 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
374housing units
374
Total Housing Units
343
Occupied Units
31
Vacant Units
4.06
Avg Household Size
Occupancy Type
$128,600
Median Home Value
-48% vs state ZIP avg
1988
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 10 business establishments in ZIP 77456, employing approximately 94 people with a combined annual payroll of $9,275,000.
10
Businesses
94
Employees
$9.3M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Transportation and warehousing | 3 | 30.0% |
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 77456 vs 77440 →
ZIP 77456 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 77456
Markham (77456)
1,303 residents
- 77458 468
Midfield (77458)
468 residents
- 77432 173
Danevang (77432)
173 residents
- 77440 37
Elmaton (77440)
37 residents
What this shows Among its immediate neighbors, ZIP 77456 ranks the most populous - useful context the national average alone can't give.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 77456, both outside TX so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,303 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Matagorda County
Related Areas
Frequently Asked Questions
What county is ZIP code 77456 in?
ZIP code 77456 (Markham) is located in Matagorda County, Texas. Matagorda County contains multiple ZIP codes, see the full list at /counties/matagorda-tx.
What is the population of ZIP code 77456?
ZIP code 77456 in Markham, TX has a population of 1,303 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 77456?
The median household income in ZIP 77456 is $65,284, which is 14% below the national average of $76,288.
What is the average home value in ZIP 77456?
The median home value in ZIP 77456 is $128,600, which is 54% below the national average of $278,155.
What is the demographic makeup of ZIP 77456?
The largest racial group in ZIP 77456 is White at 81.5%. Hispanic or Latino residents make up 26.5% of the population.
How many businesses are in ZIP code 77456?
ZIP code 77456 has 10 business establishments employing approximately 94 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 77456?
In ZIP code 77456, 57.0% of residents aged 25+ have a high school diploma or higher, and 15.2% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the poverty rate in ZIP code 77456?
The poverty rate in ZIP code 77456 is 35.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 77456's numbers, next.
- See how ZIP 77456 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Markham, TX ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.