Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/37040

37040

ZIP 37040 is in Clarksville, Tennessee, in Montgomery County; area code 931; Central time. Clarksville has 5 ZIP codes; the others are 37041, 37042, 37043 and 37044.

Type
Standard
Time zone
America/Chicago
County
Montgomery
Metro area
Clarksville, TN-KY
Population
64,977
Coordinates
36.5223, -87.3279
☼ Live from 37040 — Clarksville, TN

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Local time: —

Where 37040 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 37040
  • 🔢 Type 37040 into a pocket calculator and turn it upside down: OhOLE — not quite a word, sorry.
  • ➕ As a number, 37,040 = 2 × 2 × 2 × 2 × 5 × 463. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001000010110000
  • 🏠 Its numerical neighbours: 37037 (Christiana, TN, 79 mi away) and 37041 (Clarksville, TN, 4 mi away).
  • 🔄 Backwards, 37040 becomes 04073 — and that is a real ZIP code: Sanford, ME, 997 miles away.
  • 👥 31 other ZIP codes are made of exactly the same digits (00734, 03047, 03470, 03740, 04037, 04073, …). The farthest-flung twin is 34007 in APO AA, a military post office, 1,967 miles away.
  • 🧭 Farther south than 66% of all ZIP codes, and farther east than 51%.
  • 🎯652 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 37040 and you would come out at 36.52°S, 92.67°E — 1,358 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 39m of daylight. Shortest: 9h 40m.
  • 📏 At 92.8 square miles of land, 37040 is bigger than 76% of ZIP codes — room for about 70 Central Parks.
🌙 The sky over 37040 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population64,977This ZIP64,977
Households24,705This ZIP24,705
Housing units26,100This ZIP26,100
Median age31.4This ZIP31.4Tennessee38.9US 38.9
Median household income$67,745This ZIP$67,745Tennessee$69,595US $80,734
Median home value$270,000This ZIP$270,000Tennessee$286,700US $332,700
Median gross rent$1,266This ZIP$1,266Tennessee$1,189US $1,413
Bachelor's degree or higher29.0%This ZIP29.0%
Mean commute28.8 minThis ZIP28.8 min
Population density700.0 / sq miThis ZIP700.0 / sq mi

Business and tax activity

Business establishments1,543This ZIP1,543
Employees30,869This ZIP30,869
Annual payroll$1,444,421,000This ZIP$1,444,421,000
Tax returns filed27,180This ZIP27,180
Total adjusted gross income$1,565,190,000This ZIP$1,565,190,000

Land area

Land area92.82 sq miThis ZIP92.82 sq mi
Water area1.39 sq miThis ZIP1.39 sq mi

Other place names in 37040

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

ZIP codes near 37040

ZIPCityDistance
37044 Clarksville, TN 1.5 mi
37041 Clarksville, TN 4.1 mi
37043 Clarksville, TN 5.3 mi
37042 Clarksville, TN 5.7 mi
37171 Southside, TN 10.6 mi
37052 Cunningham, TN 11.3 mi
37191 Woodlawn, TN 11.3 mi
42223 Fort Campbell, KY 11.4 mi
37010 Adams, TN 12.6 mi
37142 Palmyra, TN 12.7 mi

Find every ZIP code within 10 miles of 37040 →

Questions about this ZIP code

Where is ZIP code 37040?

37040 is in Clarksville, Tennessee, in Montgomery County, part of the Clarksville, TN-KY metropolitan area. Its published point location is 36.5223, -87.3279.

What county is 37040 in?

37040 lies in Montgomery County.

What area code is 37040?

Clarksville uses area code 931, from NANPA's telephone records.

What time zone is 37040 in?

37040 uses America/Chicago.

How many people live in 37040?

About 64,977 people live in ZIP code 37040, in 24,705 households, at 700.0 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 37040?

$67,745 a year, against $69,595 across Tennessee.

What ZIP codes are near 37040?

The closest are 37044 (1.5 mi), 37041 (4.1 mi), 37043 (5.3 mi), 37042 (5.7 mi) and 37171 (10.6 mi).

Is 37040 a PO Box ZIP code?

37040 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “37040 ZIP Code — Clarksville, Tennessee (Montgomery County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/37040

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