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zipcodes.pro — ZIP/42171

42171

ZIP 42171 is Smiths Grove, Kentucky, mostly in Warren County; area code 270; Central time.

Type
Standard
Time zone
America/Chicago
County
Warren +2 more
Metro area
Bowling Green, KY
Population
6,723
Coordinates
37.0364, -86.1744
☼ Live from 42171 — Smiths Grove, KY

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Local time: —

Where 42171 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 42171
  • 🔢 Type 42171 into a pocket calculator and turn it upside down: ILIZh — not quite a word, sorry.
  • ➕ As a number, 42,171 = 3 × 14057. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010010010111011
  • 🏠 Its numerical neighbours: 42170 (Woodburn, KY, 25 mi away) and 42201 (Aberdeen, KY, 32 mi away).
  • 🔄 Backwards, 42171 becomes 17124 — and that is a real ZIP code: Harrisburg, PA, 548 miles away.
  • 👥 32 other ZIP codes are made of exactly the same digits (11247, 11427, 11724, 11742, 12147, 12174, …). The farthest-flung twin is 12174 in Stuyvesant Falls, NY, 756 miles away.
  • 🧭 Farther south than 64% of all ZIP codes, and farther east than 53%.
  • 🎯698 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 42171 and you would come out at 37.04°S, 93.83°E — 1,300 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 42m of daylight. Shortest: 9h 37m.
  • 📏 At 103.2 square miles of land, 42171 is bigger than 78% of ZIP codes — room for about 78 Central Parks.
🌙 The sky over 42171 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population6,723This ZIP6,723
Households2,631This ZIP2,631
Housing units2,843This ZIP2,843
Median age41.3This ZIP41.3Kentucky39.1US 38.9
Median household income$70,191This ZIP$70,191Kentucky$63,726US $80,734
Median home value$187,500This ZIP$187,500Kentucky$205,600US $332,700
Median gross rent$1,008This ZIP$1,008Kentucky$967US $1,413
Bachelor's degree or higher12.3%This ZIP12.3%
Mean commute29.9 minThis ZIP29.9 min
Population density65.1 / sq miThis ZIP65.1 / sq mi

Business and tax activity

Business establishments86This ZIP86
Employees500This ZIP500
Annual payroll$17,016,000This ZIP$17,016,000
Tax returns filed3,320This ZIP3,320
Total adjusted gross income$208,233,000This ZIP$208,233,000

Land area

Land area103.24 sq miThis ZIP103.24 sq mi
Water area0.58 sq miThis ZIP0.58 sq mi

Counties 42171 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Warren County 47.7%
Edmonson County 27.7%
Barren County 24.6%

Other place names in 42171

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 42171

ZIPCityDistance
42163 Rocky Hill, KY 3.7 mi
42159 Oakland, KY 5.0 mi
42160 Park City, KY 6.9 mi
42103 Bowling Green, KY 9.6 mi
42128 Drake, KY 12.7 mi
42259 Mammoth Cave, KY 13.4 mi
42156 Lucas, KY 13.8 mi
42102 Bowling Green, KY 14.1 mi
42210 Brownsville, KY 14.3 mi
42142 Glasgow, KY 14.8 mi

Find every ZIP code within 10 miles of 42171 →

Questions about this ZIP code

Where is ZIP code 42171?

42171 is in Smiths Grove, Kentucky, in Warren County, part of the Bowling Green, KY metropolitan area. Its published point location is 37.0364, -86.1744.

What county is 42171 in?

42171 spans 3 counties: Warren County, Edmonson County and Barren County. Most of it falls in Warren County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 42171?

Smiths Grove uses area code 270, from NANPA's telephone records.

What time zone is 42171 in?

42171 uses America/Chicago.

How many people live in 42171?

About 6,723 people live in ZIP code 42171, in 2,631 households, at 65.1 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 42171?

$70,191 a year, against $63,726 across Kentucky.

What ZIP codes are near 42171?

The closest are 42163 (3.7 mi), 42159 (5 mi), 42160 (6.9 mi), 42103 (9.6 mi) and 42128 (12.7 mi).

Is 42171 a PO Box ZIP code?

42171 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “42171 ZIP Code — Smiths Grove, Kentucky (Warren County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/42171

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/42171.json

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