ZIP 70776 vs ZIP 70721

Source:

Saint Gabriel, LA – Carville, LA

This side-by-side compares ZIP 70776 (Saint Gabriel, LA) and ZIP 70721 (Carville, LA) using the same Census ACS 5-Year table fields for both, no averages swapped in, no national proxies. ZIP 70776 has a population of 6,043 at 70 people per square mile, while ZIP 70721 has 701 at 53 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 70776 reports a median household income of $96,843 against $2,499 in ZIP 70721, with per-capita income of $27,788 vs $16,434. The share of adults holding a bachelor's degree or higher is 29.9% in 70776 and 20.0% in 70721. Poverty rate reads 11.1% vs 51.0%, and unemployment 4.0% vs 32.2% - 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 $391,700 in 70776 versus $209,400 in 70721, with median rent of $998 and - per month respectively. Homeownership rate is 74.5% vs 85.1%. 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
70776
Saint Gabriel, LA
70721
Carville, LA
Population 6,043 701
Median Household Income $96,843 $2,499
Per Capita Income $27,788 $16,434
Median Age 37.5 30.3
Bachelor's Degree or Higher 29.9% 20.0%
Poverty Rate 11.1% 51.0%
Unemployment Rate 4.0% 32.2%
Median Home Value $391,700 $209,400
Median Rent (monthly) $998 -
Homeownership Rate 74.5% 85.1%
Population Density (per sq mi) 70 53

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

Full Profile
70776
Saint Gabriel, LA
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Full Profile
70721
Carville, LA
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What are common questions about this comparison?

How do ZIP codes 70776 and 70721 compare?
ZIP 70776 (Saint Gabriel, LA) has a population of 6,043 and a median household income of $96,843. ZIP 70721 (Carville, LA) has a population of 701 and a median household income of $2,499.
Which ZIP code has higher income, 70776 or 70721?
ZIP 70776 (Saint Gabriel, LA) has a higher median household income of $96,843 compared to $2,499 for ZIP 70721.
How do I compare two ZIP codes on PlainZIP?
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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.