ZIP 42157 vs ZIP 42140

Source:

Mount Hermon, KY — Gamaliel, KY

This side-by-side compares ZIP 42157 (Mount Hermon, KY) and ZIP 42140 (Gamaliel, KY) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 42157 has a population of 437 at 10 people per square mile, while ZIP 42140 has 1,264 at 12 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 42157 reports a median household income of $101,250 against $46,813 in ZIP 42140, with per-capita income of $27,512 vs $24,536. The share of adults holding a bachelor's degree or higher is 10.4% in 42157 and 14.3% in 42140. Poverty rate reads 28.6% vs 24.2%, and unemployment 0.0% vs 3.1% — 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 $175,000 in 42157 versus $91,900 in 42140, with median rent of and $538 per month respectively. Homeownership rate is 77.0% vs 81.7%. 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
42157
Mount Hermon, KY
42140
Gamaliel, KY
Population 437 1,264
Median Household Income $101,250 $46,813
Per Capita Income $27,512 $24,536
Median Age 30.2 33.2
Bachelor's Degree or Higher 10.4% 14.3%
Poverty Rate 28.6% 24.2%
Unemployment Rate 0.0% 3.1%
Median Home Value $175,000 $91,900
Median Rent (monthly) $538
Homeownership Rate 77.0% 81.7%
Population Density (per sq mi) 10 12

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

Full Profile
42157
Mount Hermon, KY
View full ZIP profile →
Full Profile
42140
Gamaliel, KY
View full ZIP profile →

What are common questions about this comparison?

How do ZIP codes 42157 and 42140 compare?
ZIP 42157 (Mount Hermon, KY) has a population of 437 and a median household income of $101,250. ZIP 42140 (Gamaliel, KY) has a population of 1,264 and a median household income of $46,813.
Which ZIP code has higher income, 42157 or 42140?
ZIP 42157 (Mount Hermon, KY) has a higher median household income of $101,250 compared to $46,813 for ZIP 42140.
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.