Zip lookup · KY

42171
Smiths Grove, Kentucky.

Smiths Grove, Warren County, KY · Bowling Green, KY metro · population 6,723

What it costs per month · 42171 $1,331/mo

to buy the typical home at today's mortgage rate — +$785 (+144%) since Jan 2020.

What the home itself did
1 year
Up $906 +0%
$252,753$253,659 since Sep 2025
5 years
Up $64,216 +34%
$189,444$253,659 since Sep 2021

Monthly payment to buy the typical home

Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.

$500 $1,000 $1,500 $2,000 2002 2006 2010 2014 2018 2022 2026 42171 $1,331 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 42171$1,331
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 12 years.

Typical home values in zip 42171 rose 0.4% over the past year — slower than the nation's +1.2%.

This zip spans 3 counties: Warren County, KY 48% · Edmonson County, KY 28% · Barren County, KY 25%

Zillow also publishes an index for the city itself: Smiths Grove, KY — measured over the city limits, which is a different area from this zip.

Typical home value $253,659 as of Sep 2026
+0.4%year on year

Typical home value — 42171

Mid-tier homes, smoothed and seasonally adjusted.

$150,000 $200,000 $250,000 $300,000 $350,000 2018 2020 2022 2024 2026 42171 $253,659 Bowling Green $257,589 United States $366,157
$150,000 $200,000 $250,000 $300,000 $350,000 2018 2022 2026
  • 42171$253,659
  • Bowling Green$257,589
  • United States$366,157

Within 20 miles

Miles sorted ascending, activate to sort descending Zip activate to sort by Zip City activate to sort by City Population activate to sort by Population Rent activate to sort by Rent Home value activate to sort by Home value
5.2 42159 Oakland 1,699 — $285,938
6.7 42160 Park City 2,822 — $196,421
11.0 42103 Bowling Green 21,911 $1,310 $359,849
13.8 42259 Mammoth Cave 1,090 — $114,642
13.8 42156 Lucas 235 — $211,890
14.5 42127 Cave City 7,030 — $207,597
14.9 42210 Brownsville 4,231 — $190,767
15.2 42141 Glasgow 31,506 $1,016 $215,009
16.1 42122 Alvaton 5,513 $995 $403,576
17.3 42101 Bowling Green 65,421 $1,135 $234,091
17.3 42285 Sweeden 531 — $168,245
17.7 42123 Austin 1,149 — $218,440
18.4 42164 Scottsville 17,673 — $209,852
18.8 42729 Cub Run 2,142 — $180,850
19.2 42104 Bowling Green 42,076 $1,295 $320,504
19.3 42749 Horse Cave 4,423 — $171,948
19.5 42207 Bee Spring 927 — $188,461

Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.