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zipcodes.pro — ZIP/37774

37774

ZIP 37774 is Loudon, Tennessee, mostly in Loudon County; area code 865; Eastern time.

Type
Standard
Time zone
America/New_York
County
Loudon +2 more
Metro area
Knoxville, TN
Population
21,784
Coordinates
35.7291, -84.3590
☼ Live from 37774 — Loudon, TN

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Where 37774 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 37774
  • 🔢 Type 37774 into a pocket calculator and turn it upside down: hLLLE — not quite a word, sorry.
  • ➕ As a number, 37,774 = 2 × 11 × 17 × 101. Its digits add up to 28, a total 1,520 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001001110001110
  • 🏠 Its numerical neighbours: 37773 (Lone Mountain, TN, 63 mi away) and 37777 (Louisville, TN, 18 mi away).
  • 🔄 Backwards, 37774 becomes 47773, which is not a ZIP code at all.
  • 👥 9 other ZIP codes are made of exactly the same digits (34777, 43777, 47737, 73747, 74737, 77347, …). The farthest-flung twin is 77437 in El Campo, TX, 827 miles away.
  • 🧭 Farther south than 70% of all ZIP codes, and farther east than 59%.
  • 🎯825 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 37774 and you would come out at 35.73°S, 95.64°E — 1,187 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 35m of daylight. Shortest: 9h 44m.
  • 📏 At 88.2 square miles of land, 37774 is bigger than 75% of ZIP codes — room for about 67 Central Parks.
🌙 The sky over 37774 today
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🌋 Shake report
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Source: USGS.

People and housing

Population21,784This ZIP21,784
Households9,426This ZIP9,426
Housing units10,191This ZIP10,191
Median age58.0This ZIP58.0Tennessee38.9US 38.9
Median household income$87,718This ZIP$87,718Tennessee$69,595US $80,734
Median home value$365,100This ZIP$365,100Tennessee$286,700US $332,700
Median gross rent$1,006This ZIP$1,006Tennessee$1,189US $1,413
Bachelor's degree or higher33.0%This ZIP33.0%
Mean commute24.1 minThis ZIP24.1 min
Population density247.0 / sq miThis ZIP247.0 / sq mi

Business and tax activity

Business establishments353This ZIP353
Employees6,595This ZIP6,595
Annual payroll$361,590,000This ZIP$361,590,000
Tax returns filed11,610This ZIP11,610
Total adjusted gross income$1,186,988,000This ZIP$1,186,988,000

Land area

Land area88.19 sq miThis ZIP88.19 sq mi
Water area7.31 sq miThis ZIP7.31 sq mi

Counties 37774 spans

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

CountyShare of this ZIP
Loudon County 85.8%
Roane County 13.0%
Monroe County 1.2%

Other place names in 37774

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

ZIP codes near 37774

ZIPCityDistance
37846 Philadelphia, TN 7.7 mi
37771 Lenoir City, TN 7.9 mi
37772 Lenoir City, TN 9.4 mi
37763 Kingston, TN 9.7 mi
37874 Sweetwater, TN 10.6 mi
37742 Greenback, TN 10.7 mi
37737 Friendsville, TN 13.6 mi
37934 Knoxville, TN 14.3 mi
37354 Madisonville, TN 15.4 mi
37932 Knoxville, TN 15.8 mi

Find every ZIP code within 10 miles of 37774 →

Questions about this ZIP code

Where is ZIP code 37774?

37774 is in Loudon, Tennessee, in Loudon County, part of the Knoxville, TN metropolitan area. Its published point location is 35.7291, -84.3590.

What county is 37774 in?

37774 spans 3 counties: Loudon County, Roane County and Monroe County. Most of it falls in Loudon 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 37774?

Loudon uses area code 865, from NANPA's telephone records.

What time zone is 37774 in?

37774 uses America/New_York.

How many people live in 37774?

About 21,784 people live in ZIP code 37774, in 9,426 households, at 247.0 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 37774?

$87,718 a year, against $69,595 across Tennessee.

What ZIP codes are near 37774?

The closest are 37846 (7.7 mi), 37771 (7.9 mi), 37772 (9.4 mi), 37763 (9.7 mi) and 37874 (10.6 mi).

Is 37774 a PO Box ZIP code?

37774 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “37774 ZIP Code — Loudon, Tennessee (Loudon County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/37774

Machine-readable version of these facts:

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