Real Estate Investing in Mammoth Cave, Kentucky (42259)

Everything the listing leaves out — vacancy, rent trend, cap rate, landlord climate. All free.

Edmonson County • Population: 1,111 • Data updated: September 2026

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Should you buy in 42259 (Mammoth Cave, KY)? Our answer, based on the numbers below.

🏠 For Homebuyers
MIXED
Grade C (57/100)

Mixed — values have been flat. OK for long-horizon buyers, less attractive if you may need to sell soon.

📈 For Investors
MIXED
3.0 / 5 (57/100)

A cash-flow market — rent-to-price math works from day one, though value growth is modest. Great for income-focused investors.

⚠️ Risks to Know
4 flags
  • High vacancy: 61.8% of homes vacant — above national norms.
  • Declining values: -19.5% 5-year CAGR — values have moved lower.
  • 1-year downturn: Values declined 52.3% in the last year.
  • Higher unemployment: 7.4% unemployment — tenant risk signal.

ⓘ Read the numbers with care

  • Volatile values — home values moved more than 35% in one year; the trend line deserves skepticism.

• Modeled rent — no observed market rent for this ZIP; the figure is estimated from HUD fair-market rent.

What’s happening in Mammoth Cave, KY (42259)?

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3.0/ 5

Investability

Overall investment appeal

1.0/ 5

Appreciation

Long-term value growth

5.0/ 5

Cashflow ROI

Rental yield potential

Avg Home Value $106,685
Avg Monthly Rent $954
1% Rule ✗ Does Not Meet
Median Income $47,813
% Renters 13.1%

Market Analysis: 42259 Mammoth Cave

The 42259 ZIP in Mammoth Cave, KY is a local-operator market. Outside capital chasing a $107K entry has to pair deep knowledge with the discount.

If the plan assumes clean turnover, on-time rent, and low maintenance on a $107K asset, 42259 is the wrong submarket. If the plan prices in friction, the yield can still work.

The gap between 42259 and stronger Mammoth Cave ZIPs is not closing quickly. Investors should weight long-horizon assumptions accordingly.

On the rental side, 1,111 residents fill the ZIP, renter turnover runs higher than neighboring postal codes and delinquency risk is a real line item rather than a theoretical one.

Strategy in 42259 is an operator game, not a passive one. Meanwhile, entry prices of $107K are inviting, the management lift is real and non-optional.

Explore the Data — Click a Tab Below
🏦 Current 30-yr Fixed Mortgage Rate: 6.76% as of Sep 10 Source: Freddie Mac PMMS

Here's what matters if you're considering buying a home in Mammoth Cave:

C Below Average
Buy Confidence Score: 57/100
Affordability
25/25
Appreciation
0/25
Stability
7/20
Timing
10/15
Rental backup
15/15
Affordability
Affordable
Homes cost 2.2× the median income
Value Trend
Declining (-52.3%)
How home values changed in the past year
Rental Backup
Strong
Could rent for $954/mo if you need to move
Market Conditions
COOL
More inventory, negotiating room for buyers
Bottom Line: This market may be challenging for buyers. Consider your timing and budget carefully.
❄️
COOL MARKET
Bowling Green, KY Metro Area
More inventory, negotiating room for buyers
98 days
Average time to sell
Slow
8.7%
Listings with price cuts
Few Cuts
0.0%
Sale price vs asking
Below Ask
0.0%
Income needed for mortgage
Affordable
📅 Market conditions as of August 29, 2026 — updated weekly from Bowling Green, KY metro data
🏠

Property Strategy for 42259

Which property type performs best in this market?

Best for Cash Flow
2BR
4.5% cap rate
Best for Appreciation
2BR
+9.0% 5yr CAGR
Best Overall Value
3BR
$81,712/bedroom
📊 Compare All Property Types →
Type Median Value Est. Rent Cap Rate 5yr CAGR $/Bedroom
2BR $171,337 $1,060 4.5% +9.0% $85,669
3BR $245,136 $1,280 3.8% +8.3% $81,712

Market Trends

Home Value History (with trend line)

$373K$315K$258K$200K$143K$85KJul 2006Jul 2016Jul 2026

📊 How Does 42259 Compare?

Metric 42259 Mammoth Cave Bowling Green, KY Kentucky
Home Value $106,685 $106,685 N/A $225,788
5-Year CAGR N/A N/A N/A 6.9%
Avg Rent $954 $954 N/A -
Cap Rate 7.0% 7.0% - -
💡 Why Invest in 42259? Click to expand

With a 3/5 investability rating, this ZIP shows solid fundamentals for buy-and-hold investors.

📊 See where this ZIP ranks in our Best-of lists →
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Landlord Ground Truth

Real numbers from people who own or manage rentals in ZIP 42259 (Mammoth Cave, KY). Anonymous, moderated, never written by AI.

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Investability
Good
Cap Rate
7.0%
Good
5yr Growth
-19.5%
Declining

📉 Market Crash Risk Index

Based on Bowling Green, KY metro

4/10
Moderate Risk
Price YoY
0/3
N/A
Rent YoY
0/2
N/A
Below List
2/3
69%
Days Pending
2/2
98 days

View all metro crash risk rankings →

📊 Market Snapshot

Home Value $106,685
Monthly Rent $954
Price-to-Rent 9.3:1
1% Rule ✗ Fails

💰 Return Metrics

Gross Yield 10.7%
Cap Rate 7.0%
5-Year IRR N/A

📈 Home Appreciation

1-Year -52.3% ▼
3-Year CAGR -26.1% ▼
5-Year CAGR -19.5% ▼
10-Year CAGR -8.6% ▼

🏠 Rent Trends

1-Year N/A
3-Year CAGR N/A
5-Year CAGR N/A
Neutral Leverage Cap Rate: 7.0%  |  30yr Rate: 6.8%
Leverage is roughly neutral here.

The current 30-yr mortgage rate (6.8%) is close to the estimated cap rate (7.0%). Financing this market at current rates produces a cash-on-cash return near the cap rate. Appreciation and tax benefits may still support the investment.

⚠️ Risk Signals

Composite view of factors that can impact a ZIP's stability and your downside risk.

Vacancy
61.8%
Elevated risk
Landlord Climate
5.0/5
Friendly
Value Trend (5yr)
-19.5%
Declining
Eviction process: Fast Rent control: Favorable

Demographics in 42259

Population: 1,111

💰 Median Household Income
$47,813
This area
$47,813
State
$55,541
USA
$74,580
🏠 Renter Occupied
13.1%
This area
13.1%
State
23.6%
USA
34.0%
💼 Unemployment Rate
7.4%
This area
7.4%
State
-16.4%
USA
3.7%
🎓 College Educated
9.8%
This area
9.8%
State
-4.1%
USA
33.7%
👤 Median Age
55.4 years
This area
55.4 years
State
4.8 years
USA
38.9 years
🏚️ Vacancy Rate
61.8%
This area
61.8%
State
16.9%
USA
10.5%
👥 Population by Ethnicity
White 90.8%
Black/African American 5.9%
Other/Mixed 3.3%
Hispanic/Latino 1.2%
👶 Under 18
9.6%
This area
9.6%
USA
22.0%
👴 65 and Over
30.1%
This area
30.1%
USA
17.3%
📊 Poverty Rate
11.2%
This area
11.2%
USA
11.5%

Crime & Safety

🚧

Crime & Safety Data Coming Soon

We're integrating comprehensive crime statistics including violent crime rates, property crime, and safety scores to help you make informed investment decisions.

Expected: Q1 2025

Frequently Asked Questions

Does Mammoth Cave, KY make sense for an investment property?

Our data puts Mammoth Cave, KY at 3.0/5 for investability. Home prices of $107K and rents around $954/mo create a solid backdrop for investor activity.

What are home prices like in Mammoth Cave, KY?

Typical homes in Mammoth Cave, KY go for around $107K. The 5-year CAGR of 0.0% even-keeled price movement.

What do landlords charge for rent in Mammoth Cave, KY?

Rental rates in Mammoth Cave, KY average $954/mo. Tenant demand and $107K home values make the yield look reasonable by investor standards.

Is KY a landlord-friendly state?

Mammoth Cave, KY falls under KY landlord-tenant law, which is landlord-friendly. That backdrop makes day-to-day property management reasonable.

What kind of vacancy should I budget for in Mammoth Cave, KY?

Mammoth Cave, KY carries elevated vacancy risk. Expect steady absorption at market rents of $954/mo.

You know 42259 now. You don’t know where it ranks.

This page stays free — all of it. What one page can’t tell you is how 42259 compares to every other market. Investor ($19/mo) screens every U.S. ZIP by cap rate, the 1% rule, vacancy and landlord climate, and exports your shortlist.

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How 42259 ranks in Bowling Green, KY

Every ZIP in this metro, ranked. Free.

Cash Flow → Appreciation → Affordable →
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