ZIP 30726 vs ZIP 37421

Source:

Graysville, GA — Chattanooga, TN

This side-by-side compares ZIP 30726 (Graysville, GA) and ZIP 37421 (Chattanooga, TN) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 30726 has a population of 56 at 164 people per square mile, while ZIP 37421 has 46,228 at 587 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 30726 reports a median household income of against $82,517 in ZIP 37421, with per-capita income of vs $47,620. The share of adults holding a bachelor's degree or higher is in 30726 and 38.8% in 37421. Poverty rate reads vs 10.9%, and unemployment vs 3.5% — 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 in 30726 versus $333,700 in 37421, with median rent of and $1,405 per month respectively. Homeownership rate is vs 60.2%. 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
30726
Graysville, GA
37421
Chattanooga, TN
Population 56 46,228
Median Household Income $82,517
Per Capita Income $47,620
Median Age 40.8
Bachelor's Degree or Higher 38.8%
Poverty Rate 10.9%
Unemployment Rate 3.5%
Median Home Value $333,700
Median Rent (monthly) $1,405
Homeownership Rate 60.2%
Population Density (per sq mi) 164 587

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

Full Profile
30726
Graysville, GA
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Full Profile
37421
Chattanooga, TN
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What are common questions about this comparison?

How do ZIP codes 30726 and 37421 compare?
ZIP 30726 (Graysville, GA) has a population of 56 and a median household income of —. ZIP 37421 (Chattanooga, TN) has a population of 46,228 and a median household income of $82,517.
Which ZIP code has higher income, 30726 or 37421?
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.