ZIP Code 42157
standardSource:
Mount Hermon · Monroe County · Kentucky
- Population
- 437
- Median income
- $101,250
- Median home value
- $175,000
- Bachelor's or higher
- 10.4%
- Land area
- 45.5 sq mi
10/sq mi
▲ 33% vs US
higher than 82% of US ZIPs
▼ 37% vs US
higher than 36% of US ZIPs
Median age 30.2
Chicago
ZIP code 42157 in Mount Hermon, Kentucky has a population of 437. The median household income is $101,250, which is 33% above the national average. Median home value is $175,000, 37% below the US average. 10.4% of residents hold a bachelor's degree or higher.
ZIP code 42157 is classified by USPS as a standard delivery area and covers roughly 45.5 square miles in Mount Hermon, Monroe County, Kentucky. The area is home to 437 residents, producing a population density of 10 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 42157 against Kentucky and the nation.
On the economic side, the median household income for ZIP 42157 sits at $101,250 (70% above the Kentucky average), while per-capita income is $27,512. The poverty rate stands at 28.6% and the unemployment rate at 0.0%. On housing, the median home value is $175,000 (10% above the state average) with median rent at — per month, and 77.0% of occupied units are owner-occupied, a direct signal of whether 42157 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 10.4% of adults hold a bachelor's degree or higher, the median age is 30.2, and the average commute is —. We also surface 5 nearby ZIP codes within roughly 10 miles and 5 additional ZIPs sharing Monroe County, so you can benchmark 42157 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 42157, Mount Hermon, KY · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
437
Population
45.5
Area (sq mi)
10
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 42157?
30.2
Median Age
57.6%
Male
42.4%
Female
0.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$101,250
Median Household Income
+70% vs state
$27,512
Per Capita Income
28.6%
Poverty Rate
0.0%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
174
Total Housing Units
148
Occupied Units
26
Vacant Units
3.43
Avg Household Size
Occupancy Type
$175,000
Median Home Value
+10% vs state
1978
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 4 business establishments in ZIP 42157, employing approximately 32 people with a combined annual payroll of $2,139,000.
4
Businesses
32
Employees
$2.1M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 3 | 75.0% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 42157 vs 42140 →
More ZIP Codes in Monroe County
Related Areas
Frequently Asked Questions
What county is ZIP code 42157 in? ▼
What is the population of ZIP code 42157? ▼
What is the median household income in ZIP 42157? ▼
What is the average home value in ZIP 42157? ▼
What is the demographic makeup of ZIP 42157? ▼
How many businesses are in ZIP code 42157? ▼
What is the education level in ZIP code 42157? ▼
What percentage of residents own vs. rent in ZIP 42157? ▼
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ZIP Code Research Guides
Official Data Resources for Mount Hermon, KY
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.