• county
  • FIPS 47105
  • Largest town: Lenoir City

Loudon County, Tennessee

Loudon County had 62,129 residents in the Census Vintage 2024 estimate, on 229.3 square miles of land. It ranks 24th of 95 in Tennessee by population and 85th by land area.

Population
62,129
#24 of 95 in Tennessee · #870 in US
Area
229.3 sq mi
#85 of 95 in Tennessee · #2,956 in US
Density
271 / sq mi
#14 of 95 in Tennessee · #470 in US
Median household income
$81,605
#6 of 95 in Tennessee · #419 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Loudon County within Tennessee. Pin: Nashville.

Loudon County population, land area and income

Loudon County had 62,129 residents in the Census Vintage 2024 estimate, on 229.3 square miles of land. It ranks 24th of 95 in Tennessee by population and 85th by land area. That works out to 271.0 people per square mile, 2.8 times the US average of 96.3, and in the top quarter nationally.

The median county-equivalent in Tennessee has 32,883 residents; Loudon County is somewhat larger.

Its SAIPE 2023 median household income of $81,605 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

62,129

3144th1st

870th of 3,144 (US)

Land area

229 sq mi

3144th1st

2956th of 3,144 (US)

Density

271.0 / sq mi

3144th1st

470th of 3,144 (US)

Median household income

$81,605

3143rd1st

419th of 3,143 (US)

Rank within Tennessee (95)

Population

62,129

95th1st

24th of 95 (TN)

Land area

229 sq mi

95th1st

85th of 95 (TN)

Density

271.0 / sq mi

95th1st

14th of 95 (TN)

Median household income

$81,605

95th1st

6th of 95 (TN)

How Loudon County's population changed since 2020

Loudon County gained 6,993 residents between the July 2020 and July 2024 estimates, a rise of 12.7%. That ranks 2nd of 95 in Tennessee for growth. The median Tennessee county changed by +4.4%, and the state as a whole by +4.3%.

Since the April 2020 estimates base, Loudon County recorded 2,340 births and 3,559 deaths, a natural change of -1,219. Net international migration added +393 and net domestic migration, people moving to or from other US counties, came to +8,029. The largest single component was domestic migration, which added 8,029 people.

55.1k202056.8k202158.3k202260.6k202362.1k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
2,340
Deaths
3,559
Net international migration
+393
Net domestic migration
+8,029
Change, July 2023 to July 2024
+1,548

Where Loudon County is

The Census internal point of Loudon County is at 35.735100, -84.314100. It sits in UTM zone 16N. The map shades Tennessee's 95 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Loudon County outlined. Dots are towns of 1,000+ people with residents in it.

Warren County: +6.2%Bledsoe County: +4.3%Cheatham County: +3.7%Crockett County: +0.5%Putnam County: +6.0%Houston County: +2.8%Macon County: +7.6%Sequatchie County: +11.2%Fayette County: +6.2%Trousdale County: +4.5%Union County: +6.1%Claiborne County: +3.1%Weakley County: +0.8%Coffee County: +5.4%Johnson County: +2.8%Overton County: +4.3%Lake County: -8.1%Moore County: +4.7%Hardeman County: -0.0%Jefferson County: +7.8%Smith County: +4.1%Robertson County: +7.5%Gibson County: +1.9%Henry County: +2.3%Grundy County: +4.4%Decatur County: +3.2%Greene County: +4.3%Hamblen County: +4.9%Humphreys County: +2.9%Knox County: +5.5%Roane County: +5.7%Lewis County: +6.4%Rhea County: +4.4%Rutherford County: +9.8%Montgomery County: +11.2%Lauderdale County: -2.0%Shelby County: -2.1%Tipton County: +1.9%Perry County: +7.2%Stewart County: +4.8%Chester County: +2.8%Washington County: +4.8%Polk County: +4.4%Van Buren County: +8.3%Dyer County: -0.8%Davidson County: +1.9%Cocke County: +4.3%Williamson County: +7.8%Benton County: +2.0%Dickson County: +5.9%Lawrence County: +5.2%Hamilton County: +5.0%McNairy County: +0.9%Meigs County: +8.8%Hawkins County: +4.7%Blount County: +4.8%White County: +6.1%Marshall County: +9.8%Sullivan County: +2.8%Campbell County: +2.4%Haywood County: -4.1%Bradley County: +4.5%Franklin County: +5.4%Sumner County: +7.2%Hardin County: +2.4%Grainger County: +6.4%Hickman County: +3.6%Pickett County: +2.2%Carroll County: +2.4%Henderson County: +1.3%Sevier County: +1.3%Hancock County: +6.2%Scott County: +2.9%McMinn County: +6.4%Morgan County: +4.3%Lincoln County: +4.0%Obion County: -1.7%Unicoi County: -0.0%Wayne County: -1.5%Cannon County: +4.0%Fentress County: +8.6%Loudon County: +12.7%Wilson County: +14.3%Bedford County: +7.6%Monroe County: +5.9%DeKalb County: +7.7%Marion County: +3.2%Carter County: +1.9%Clay County: +3.5%Madison County: +1.6%Cumberland County: +6.9%Anderson County: +5.3%Maury County: +11.4%Giles County: +2.1%Jackson County: +6.4%
Change 2020 to 2024
  1. < +1.9%
  2. < +3.7%
  3. < +4.9%
  4. < +6.4%
  5. ≥ +6.4%
no data

Orange pin: Loudon County internal point. Dark pin: Nashville.

Internal point

Decimal
35.735100, -84.314100
DMS
35°44'6.36"N 84°18'50.76"W
UTM
16N 742909.3E 3957894.5N
Geohash
dnk533kk5
Plus code
867QPMPP+29

Towns in Loudon County

3 incorporated places of 1,000+ people have residents in Loudon County, 20,207 people together, or 33% of the county. Each figure counts only the part of the town inside Loudon County; towns marked "part" extend into another county. The largest is Lenoir City with 12,041.

  1. 01Lenoir City12,041
  2. 02Loudon6,942
  3. 03Greenback1,224
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Loudon County

The Census 2024 county adjacency file lists 5 neighbors for Loudon County. The most populous is Knox County, TN, with 506,748 residents. Distances run between Census internal points in a straight line.

Distance to Nashville and the nearest big city

Nashville is 141.3 miles WNW of Loudon County's internal point in a straight line. The nearest place of 100,000 or more is Knoxville, TN (population 198,722), 26.1 miles away. The nearest place of 10,000 or more is Lenoir City, TN (population 12,041), 5.8 miles away.

Loudon County FIPS code

The FIPS code of Loudon County is 47105: state code 47 for Tennessee plus county code 105. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $81,605.

Questions people ask

What is the population of Loudon County, Tennessee?

The Census Vintage 2024 estimate for July 1, 2024 is 62,129. That is up 6,993 people (12.7%) from the July 2020 estimate of 55,136.

What is the FIPS code of Loudon County?

47105. The first two digits (47) are Tennessee; the last three (105) identify the county.

What is the largest town in Loudon County?

Lenoir City, with 12,041 residents inside Loudon County in 2024.

Which counties border Loudon County?

5 county-equivalents border it in the Census 2024 adjacency file: Knox County, TN; Blount County, TN; McMinn County, TN; Roane County, TN; Monroe County, TN.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.