• county
  • FIPS 21221
  • Largest town: Cadiz

Trigg County, Kentucky

Trigg County had 14,559 residents in the Census Vintage 2024 estimate, on 441.4 square miles of land. It ranks 76th of 120 in Kentucky by population and 21st by land area.

Population
14,559
#76 of 120 in Kentucky · #2,119 in US
Area
441.4 sq mi
#21 of 120 in Kentucky · #2,301 in US
Density
33 / sq mi
#103 of 120 in Kentucky · #1,843 in US
Median household income
$57,844
#51 of 120 in Kentucky · #2,047 in US

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

Trigg County within Kentucky. Pin: Frankfort.

Measure from here

Tools and pages that start from Trigg County

Trigg County population, land area and income

Trigg County had 14,559 residents in the Census Vintage 2024 estimate, on 441.4 square miles of land. It ranks 76th of 120 in Kentucky by population and 21st by land area. That works out to 33.0 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Kentucky has 19,740 residents; Trigg County is somewhat smaller.

Its SAIPE 2023 median household income of $57,844 is below the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

14,559

3144th1st

2119th of 3,144 (US)

Land area

441 sq mi

3144th1st

2301st of 3,144 (US)

Density

33.0 / sq mi

3144th1st

1843rd of 3,144 (US)

Median household income

$57,844

3143rd1st

2047th of 3,143 (US)

Rank within Kentucky (120)

Population

14,559

120th1st

76th of 120 (KY)

Land area

441 sq mi

120th1st

21st of 120 (KY)

Density

33.0 / sq mi

120th1st

103rd of 120 (KY)

Median household income

$57,844

120th1st

51st of 120 (KY)

How Trigg County's population changed since 2020

Trigg County gained 478 residents between the July 2020 and July 2024 estimates, a rise of 3.4%. That ranks 27th of 120 in Kentucky for growth. The median Kentucky county changed by +1.4%, and the state as a whole by +1.8%.

Since the April 2020 estimates base, Trigg County recorded 674 births and 936 deaths, a natural change of -262. Net international migration added +5 and net domestic migration, people moving to or from other US counties, came to +769. The largest single component was domestic migration, which added 769 people.

14.1k202014.2k202114.3k202214.4k202314.6k2024
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
674
Deaths
936
Net international migration
+5
Net domestic migration
+769
Change, July 2023 to July 2024
+189

Where Trigg County is

The Census internal point of Trigg County is at 36.807700, -87.858700. It sits in UTM zone 16N. The map shades Kentucky's 120 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Trigg County outlined. Dots are towns of 1,000+ people with residents in it.

Adair County: +1.9%Kenton County: +3.3%Owen County: +1.2%Morgan County: +4.1%Bracken County: +1.1%Edmonson County: +4.0%Trigg County: +3.4%Jackson County: +3.0%Spencer County: +6.8%Clark County: +1.7%Jessamine County: +6.6%Green County: +3.8%Henry County: +3.2%Graves County: +0.8%Webster County: -1.3%Washington County: +1.9%Ohio County: +0.8%Knott County: -5.1%Meade County: +1.4%Carroll County: +2.5%Scott County: +7.2%Lincoln County: +2.7%Greenup County: -1.7%Boyle County: +2.1%Hardin County: +1.8%Nelson County: +4.1%Hart County: +3.2%Christian County: -2.4%Carlisle County: -0.6%Crittenden County: -0.2%Elliott County: -1.0%Garrard County: +6.3%Larue County: +1.7%Lee County: -0.7%Leslie County: -7.1%Hancock County: -1.0%Lewis County: -1.6%Lyon County: +4.6%McLean County: -0.1%Magoffin County: -4.2%Martin County: -4.9%Mason County: -1.1%Rockcastle County: +1.0%Menifee County: +3.2%Russell County: +2.6%Whitley County: +1.5%Todd County: +3.9%Union County: -3.5%Wolfe County: -2.9%Bell County: -3.9%Boyd County: -0.9%Butler County: +1.9%Metcalfe County: +2.7%Grant County: +2.8%Simpson County: +3.7%Pike County: -5.2%Gallatin County: +1.5%Harlan County: -6.4%Fayette County: +2.1%Logan County: +3.5%Muhlenberg County: -1.2%Bath County: +1.8%Mercer County: +3.8%Barren County: +2.5%Franklin County: +1.6%Bullitt County: +4.2%Boone County: +5.6%Campbell County: +0.9%Jefferson County: +1.4%Wayne County: +0.4%Ballard County: -1.1%Anderson County: +4.1%Pulaski County: +2.7%Knox County: -1.7%Laurel County: +1.0%Breckinridge County: +3.8%Oldham County: +4.2%Letcher County: -6.2%Lawrence County: -3.1%McCracken County: -0.6%Nicholas County: +3.7%Owsley County: -2.6%Powell County: -1.3%Bourbon County: +0.2%Calloway County: +3.7%Henderson County: -1.1%Clinton County: -0.5%Warren County: +9.6%Montgomery County: +2.4%Floyd County: -3.5%Woodford County: +3.1%Hopkins County: -0.3%Johnson County: -2.4%Marshall County: +0.1%Estill County: -1.1%Cumberland County: +3.2%Fleming County: +3.3%Madison County: +7.1%Carter County: -1.9%Allen County: +7.1%Daviess County: +1.0%Harrison County: +4.3%Perry County: -5.7%Fulton County: -3.5%Clay County: -3.5%Robertson County: +9.1%Trimble County: +1.5%Taylor County: +3.1%Shelby County: +3.9%McCreary County: -0.2%Breathitt County: -6.5%Livingston County: -0.6%Hickman County: -3.0%Rowan County: -0.2%Casey County: +0.2%Monroe County: -1.4%Marion County: +1.3%Grayson County: +2.3%Caldwell County: -0.2%Pendleton County: +1.3%
Change 2020 to 2024
  1. < -1.6%
  2. < +0.2%
  3. < +1.9%
  4. < +3.7%
  5. ≥ +3.7%
no data

Orange pin: Trigg County internal point. Dark pin: Frankfort.

Internal point

Decimal
36.807700, -87.858700
DMS
36°48'27.72"N 87°51'31.32"W
UTM
16N 423403.5E 4073884.2N
Geohash
dn992sxhr
Plus code
868JR45R+3G

Towns in Trigg County

One incorporated place of 1,000+ people has residents in Trigg County, 2,741 people together, or 19% of the county. Each figure counts only the part of the town inside Trigg County; towns marked "part" extend into another county. The largest is Cadiz with 2,741.

  1. 01Cadiz2,741
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Trigg County

The Census 2024 county adjacency file lists 6 neighbors for Trigg County, including 1 across a state line. The most populous is Christian County, KY, with 71,006 residents. Distances run between Census internal points in a straight line.

Distance to Frankfort and the nearest big city

Frankfort is 189.3 miles ENE of Trigg County's internal point in a straight line. The nearest place of 100,000 or more is Clarksville, TN (population 185,690), 33.0 miles away. The nearest place of 10,000 or more is Hopkinsville, KY (population 30,800), 21.4 miles away.

Trigg County FIPS code

The FIPS code of Trigg County is 21221: state code 21 for Kentucky plus county code 221. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $57,844.

Questions people ask

What is the population of Trigg County, Kentucky?

The Census Vintage 2024 estimate for July 1, 2024 is 14,559. That is up 478 people (3.4%) from the July 2020 estimate of 14,081.

What is the FIPS code of Trigg County?

21221. The first two digits (21) are Kentucky; the last three (221) identify the county.

What is the largest town in Trigg County?

Cadiz, with 2,741 residents inside Trigg County in 2024.

Which counties border Trigg County?

6 county-equivalents border it in the Census 2024 adjacency file: Christian County, KY; Calloway County, KY; Marshall County, KY; Stewart County, TN; Caldwell County, KY; Lyon County, KY.

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.