US ZIP Code
42259

Mammoth Cave, KY

Edmonson County  ·  Kentucky

● Active
👥 1,111 Population ↓ 5% since 2019
💰 $37,391 Median HH Income
▼ 51% below avg ↓ 22% since 2019
🎂 61.1 Median Age ↑ 57% since 2019
🏠 $167,300 Median Home Value
▼ 40% below avg ↑ 90% since 2019
🎓 16.8% College Grads
▼ 57% below avg
📊 17.2% Unemployment
▲ 251% above avg ↑ 174% since 2019
ZIP Code Details
ZIP Code42259
CityMammoth Cave
StateKentucky (KY)
CountyEdmonson County
Area Code270/364
Elevation769 ft
Latitude37.229691
Longitude-86.164707
TimezoneNew York (DST)
FIPS21061
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 51.7% (574) Female 48.3% (537) ♀

Race & Ethnicity

White: 95.2%Hispanic: 0.7%Black: 3.3%Other: 0.7%Race
White95.2%
Hispanic0.7%
Black3.3%
Other0.7%

Age Breakdown

Under 5
1%
5–17
8%
18–24
11%
25–44
14%
45–64
29%
65+
21%

Key Indicators

Median Age61.1 yrs ↑ 57% since 2019
Avg Household Size2.16
Below Poverty27.5% ▲ 175% above avg
College Grads16.8% ▼ 57% below avg
Unemployment17.2% ▲ 251% above avg
No HS Diploma8 (1%)
HS Graduate415 (50.2%)
Some College132 (16%)
Associates133 (16.1%)
Bachelors64 (7.7%)
Graduate Degree75 (9.1%)

Education

No HS: 1%HS Grad: 50.2%Some College: 16%Associates: 16.1%Bachelors: 7.7%Graduate: 9.1%Edu
No HS1.0%
HS Grad50.2%
Some College16.0%
Associates16.1%
Bachelors7.7%
Graduate9.1%
Housing & Income

Housing Tenure

Owner: 88.7%Renter: 11.4%Tenure
Owner88.7%
Renter11.4%

Home Value Distribution

Under $50k
9%
$50k–100k
5%
$100k–150k
34%
$150k–200k
3%
$200k–300k
37%
$300k–500k
6%
Over $500k
6%

Financials

Median HH Income$37,391 ▼ 51% below avg ↓ 22% since 2019
Median Home Value$167,300 ▼ 40% below avg ↑ 90% since 2019
Home/Income Ratio4.5x (nat avg ~3.5x)
Median Rent$879/mo ↑ 78% since 2019
Total Units1,115
Vacant Units657
Avg HH Size2.16

Income Distribution

Under $25k
43%
$25k–50k
11%
$50k–75k
18%
$75k–100k
12%
$150k–200k
13%
Over $200k
3%
Employment & Commute

How People Get to Work

Drove Alone
85%
Walked
6%
Work From Home
9%

Commute Time

Under 15 min
24%
15–30 min
11%
30–45 min
7%
Over 45 min
58%
Housing Stock

Year Built

1940s–1950s
19%
1960s–1970s
9%
1980s–1990s
20%
2000+
52%

Summary

Total Units1,115
Vacant657
Owner Occupied88.7%
Renter Occupied11.4%
Avg HH Size2.16
Frequently Asked Questions
ZIP code 42259 is in Mammoth Cave, KY, in Edmonson County.
ZIP code 42259 is located in Kentucky (KY).
ZIP code 42259 is in Edmonson County, KY.
ZIP 42259 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 42259 is 1,111 people (ACS 2023).
The median household income in ZIP code 42259 is $37,391 (ACS 2023).
The median home value in ZIP 42259 is $167,300 (ACS 2023).
About ZIP Code 42259

ZIP code 42259 is located in Mammoth Cave, Kentucky, within Edmonson County. With a population of 1,111, this is a sparsely populated ZIP code with an older community — the median age is 61.1 years. Economically, 42259 is a lower-income ZIP code: the median household income of $37,391 is well below the national average.

Real estate in ZIP code 42259 represents an affordable housing market. The median home value of $167,300 is below the national average. Renters can expect to pay around $879 per month in median rent. Homeownership is strong here — 88.7% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 90% since 2019.

The population of 42259 is primarily White (95.23%). Residents are less-educated — 16.8% hold a bachelor's degree or higher, which is well below the national average. Poverty affects a significant share of residents at 27.5%. Household income has declined by 22% since 2019.

The unemployment rate in 42259 stands at 17.2%, which is more than double the national average. As in most parts of the country, driving alone is the dominant commute mode at 81%.

Overall, ZIP code 42259 in Mammoth Cave, KY is characterized as lower-income, less-educated, an older community, and predominantly owner-occupied. With 1,111 residents, a median household income of $37,391, and a median home value of $167,300, it offers a clear picture of life in this part of Kentucky.