Loudon County, Tennessee

Loudon County: county in Tennessee, United States

About

Loudon County is a county located in the U.S. state of Tennessee. As of the 2010 census, the population was 48,556 and a population density of 76 people per km². After 10 years in 2020 county had an estimated population of 54,910 inhabitants. Its county seat is Loudon. The county was created 156 years ago in 1869.

Loudon County locator map
Location of Loudon County on Tennessee map.

County Snapshot

Loudon County at a glance

Loudon County currently has 5 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

5

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Quick Facts about Loudon County

Population 54,910 (2020)
Country United States of America
State Tennessee (United States)
Area 641 km2
Water as percent of area 7.3%
Land as percent of area 92.7%
Latitude & Longitude 35.7348,-84.3119
Named for Fort Loudoun
Altitude 758 feet / 231 meters
Capital Loudon
Establishment January 01, 1870
Time Zone Eastern Time Zone
Local time 21:28:49 (17th April 2026)
Density 86 Pop. per km² as of 2020
Population growth 11.57% (2010-2020)
Weather 85℉ Mostly Sunny 7-days weather
Loudon County  Tennessee Courthouse image
Loudon County Tennessee Courthouse image

Geography

Loudon County is located at 35°44'5"N 84°18'43"W (35.7347800, -84.3118700). It has 3 neighbors: Blount County, McMinn County and Monroe County.

Loudon County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of Loudon County is Lenoir City with a population of 9,324. Other cities include, Loudon population 6,009, Greenback population 1,238, Luttrell population 1,088 and Philadelphia population 740. See all Loudon County cities & populated places.

Loudon County Populated Places

Cities, towns, neighborhoods & other populated places in Loudon County.

City Name Population Title
Lenoir City 9,324 City in Loudon County, Tennessee, United States
Loudon 6,009 Human settlement in Loudon County, Tennessee, United States of America
Greenback 1,238 City in Loudon County, Tennessee, United States
Luttrell 1,088 Town in Tennessee
Philadelphia 740 City in Loudon County, Tennessee, United States

Weather

85°F
Mostly Sunny
5 mph SW Friday

Mostly sunny, with a high near 85. Southwest wind around 5 mph.

7-Day Forecast

Official website of Loudon County

Official Website
  • Loudon

Demographics

The population of Loudon County increased by 11.57% in 10 years.

Year Population % Change Method
2010 48,556 - census
2011 49,188 1.28% estimation process
2012 49,823 1.27% estimation process
2013 50,386 1.12% estimation process
2014 50,586 0.4% estimation process
2015 50,916 0.65% estimation process
2016 51,373 0.89% estimation process
2017 52,260 1.7% estimation process
2018 53,082 1.55% estimation process
2019 54,068 1.82% estimation process
2020 54,910 1.53% estimation process
Comitatul Loudon, Comte de Loudon, Comté de Loudon, Condado de Loudon, Condado han Loudon, Contea di Loudon, Hrabstwo Loudon, Lauden, Laudon, Laudon srjan, Laudun, Loudon, Loudon Comitatus, Loudon Kun, Loudon Kūn, Loudon konderria, Loudon megye, Okrug Laudon, Quan Loudon, Quận Loudon, lao deng xian, laudana ka'unti, raudon jun, shhrstan lwwdwn tnsy, Лауден, Лаудон, Лаудън, Округ Лаудон, Լաուդոն շրջան, شهرستان لوودون، تنسی, لاؤڈن کاؤنٹی, لوئڈن کاؤنٹی، ٹینیسی, লৌডন কাউন্টি, ラウドン郡, 勞登縣

People born in Loudon County (1)

American football player (1894-1949) William Lowe was born in Loudon County

Tennessee Other Counties (more counties)

County Name Population Title
Shelby County 936,017 County in Tennessee, United States
Davidson County 694,176 County in Tennessee, United States
Nashville 684,410 The twenty-second most populous city in the United States and the center of the Nashville metropolitan area.
Memphis 649,705 The twenty-ninth most populous city in the United States and the center of the Memphis metropolitan area.
New South Memphis 641,608 This area of Memphis, situated in Shelby County at an elevation of 259 feet, is known for its rich musical heritage, particularly its influence on blues and rock and roll.
Knox County 475,609 County in Maine, United States
Hamilton County 371,662 County in Tennessee, United States
Rutherford County 339,261 County in North Carolina, United States
Williamson County 245,348 County in Tennessee, United States
Montgomery County 214,251 County in Tennessee, United States
Sumner County 195,561 County in Tennessee, United States
Knoxville 190,223 The most populous city in Tennessee.
Chattanooga 184,742 The fourth most populous city in Tennessee.
Clarksville 161,247 The second most populous city in Tennessee.
Sullivan County 158,755 County in New York, United States
Murfreesboro 150,757 The second most populous city in Tennessee.