ZIP 77475 vs ZIP 77470

Source:

Sheridan, TX — Rock Island, TX

This side-by-side compares ZIP 77475 (Sheridan, TX) and ZIP 77470 (Rock Island, TX) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 77475 has a population of 773 at 13 people per square mile, while ZIP 77470 has 338 at 5 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 77475 reports a median household income of $63,308 against $43,149 in ZIP 77470, with per-capita income of $46,999 vs $18,657. The share of adults holding a bachelor's degree or higher is 3.2% in 77475 and 10.4% in 77470. Poverty rate reads 5.6% vs 8.9%, and unemployment 9.6% vs 9.3% — 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 $218,100 in 77475 versus $122,800 in 77470, with median rent of and per month respectively. Homeownership rate is 79.3% vs 94.7%. 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
77475
Sheridan, TX
77470
Rock Island, TX
Population 773 338
Median Household Income $63,308 $43,149
Per Capita Income $46,999 $18,657
Median Age 68.3 49.2
Bachelor's Degree or Higher 3.2% 10.4%
Poverty Rate 5.6% 8.9%
Unemployment Rate 9.6% 9.3%
Median Home Value $218,100 $122,800
Median Rent (monthly)
Homeownership Rate 79.3% 94.7%
Population Density (per sq mi) 13 5

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

Full Profile
77475
Sheridan, TX
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Full Profile
77470
Rock Island, TX
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What are common questions about this comparison?

How do ZIP codes 77475 and 77470 compare?
ZIP 77475 (Sheridan, TX) has a population of 773 and a median household income of $63,308. ZIP 77470 (Rock Island, TX) has a population of 338 and a median household income of $43,149.
Which ZIP code has higher income, 77475 or 77470?
ZIP 77475 (Sheridan, TX) has a higher median household income of $63,308 compared to $43,149 for ZIP 77470.
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.