ZIP 77456 vs ZIP 77440

Source:

Markham, TX — Elmaton, TX

This side-by-side compares ZIP 77456 (Markham, TX) and ZIP 77440 (Elmaton, TX) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 77456 has a population of 1,303 at 10 people per square mile, while ZIP 77440 has 37 at 3 per square mile. That difference in population size and density alone reshapes how every other metric should be interpreted — a higher-income ZIP with 1,200 residents behaves very differently from one with 45,000.

On income and education, ZIP 77456 reports a median household income of $65,284 against in ZIP 77440, with per-capita income of $17,418 vs . The share of adults holding a bachelor's degree or higher is 15.2% in 77456 and 0.0% in 77440. Poverty rate reads 35.8% vs 0.0%, and unemployment 0.0% vs — these four fields alone drive most of the difference in the scorecard grades you will see for each ZIP.

Housing separates these two ZIPs further: median home value sits at $128,600 in 77456 versus in 77440, with median rent of and per month respectively. Homeownership rate is 100.0% vs 100.0%. When reading the comparison table below, focus on paired metrics rather than single winners — a ZIP with lower home values and lower income is not strictly "worse" if rent-to-income ratios and commute times land in the same zone. Every value is pulled from the exact same ACS table so the two columns are genuinely comparable.

Compare different ZIP codes:

vs
Metric
77456
Markham, TX
77440
Elmaton, TX
Population 1,303 37
Median Household Income $65,284
Per Capita Income $17,418
Median Age 18.8
Bachelor's Degree or Higher 15.2% 0.0%
Poverty Rate 35.8% 0.0%
Unemployment Rate 0.0%
Median Home Value $128,600
Median Rent (monthly)
Homeownership Rate 100.0% 100.0%
Population Density (per sq mi) 10 3

Values highlighted in green indicate the better metric where applicable. Source: U.S. Census Bureau ACS 2023.

Full Profile
77456
Markham, TX
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Full Profile
77440
Elmaton, TX
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What are common questions about this comparison?

How do ZIP codes 77456 and 77440 compare?
ZIP 77456 (Markham, TX) has a population of 1,303 and a median household income of $65,284. ZIP 77440 (Elmaton, TX) has a population of 37 and a median household income of —.
Which ZIP code has higher income, 77456 or 77440?
Income data is not available for one or both of these ZIP codes.
How do I compare two ZIP codes on PlainZIP?
Visit plainzip.com/compare, enter two 5-digit U.S. ZIP codes, and click Compare. You can also navigate directly to /compare/XXXXX-vs-YYYYY to share a specific comparison.

All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.

Data sourced from official U.S. Census ACS and HUD-USPS ZIP crosswalk data. See our methodology for details. Retrieved and formatted by PlainZIP Editorial.