• county
  • FIPS 21223

Trimble County, Kentucky

Trimble County had 8,591 residents in the Census Vintage 2024 estimate, on 147.8 square miles of land. It ranks 107th of 120 in Kentucky by population and 117th by land area.

Population
8,591
#107 of 120 in Kentucky · #2,524 in US
Area
147.8 sq mi
#117 of 120 in Kentucky · #3,063 in US
Density
58 / sq mi
#61 of 120 in Kentucky · #1,329 in US
Median household income
$65,885
#25 of 120 in Kentucky · #1,309 in US

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

Trimble County within Kentucky. Pin: Frankfort.

Measure from here

Tools and pages that start from Trimble County

Trimble County population, land area and income

Trimble County had 8,591 residents in the Census Vintage 2024 estimate, on 147.8 square miles of land. It ranks 107th of 120 in Kentucky by population and 117th by land area. That works out to 58.1 people per square mile, below the US average of 96.3, and above the national county median.

The median county-equivalent in Kentucky has 19,740 residents, so Trimble County has 44% of the typical county's population.

Its SAIPE 2023 median household income of $65,885 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

8,591

3144th1st

2524th of 3,144 (US)

Land area

148 sq mi

3144th1st

3063rd of 3,144 (US)

Density

58.1 / sq mi

3144th1st

1329th of 3,144 (US)

Median household income

$65,885

3143rd1st

1309th of 3,143 (US)

Rank within Kentucky (120)

Population

8,591

120th1st

107th of 120 (KY)

Land area

148 sq mi

120th1st

117th of 120 (KY)

Density

58.1 / sq mi

120th1st

61st of 120 (KY)

Median household income

$65,885

120th1st

25th of 120 (KY)

How Trimble County's population changed since 2020

Trimble County gained 128 residents between the July 2020 and July 2024 estimates, a rise of 1.5%. That ranks 56th 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, Trimble County recorded 358 births and 512 deaths, a natural change of -154. Net international migration added +6 and net domestic migration, people moving to or from other US counties, came to +274. The largest single component was domestic migration, which added 274 people.

8,46320208,55320218,52520228,61620238,5912024
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
358
Deaths
512
Net international migration
+6
Net domestic migration
+274
Change, July 2023 to July 2024
-25

Where Trimble County is

The Census internal point of Trimble County is at 38.620000, -85.351200. 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 Trimble 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: Trimble County internal point. Dark pin: Frankfort.

Internal point

Decimal
38.620000, -85.351200
DMS
38°37'12.00"N 85°21'4.32"W
UTM
16N 643537.4E 4275898.2N
Geohash
dng79y91u
Plus code
86CPJJCX+2G

Towns in Trimble County

No incorporated place of 1,000 or more people has residents in Trimble County. Its 8,591 residents live in smaller towns, census-designated places, or unincorporated land, which the subcounty estimates do not list at this size.

Counties bordering Trimble County

The Census 2024 county adjacency file lists 5 neighbors for Trimble County, including 2 across a state line. The most populous is Clark County, IN, with 127,479 residents. Distances run between Census internal points in a straight line.

Distance to Frankfort and the nearest big city

Frankfort is 39.5 miles SE of Trimble County's internal point in a straight line. The nearest place of 100,000 or more is Louisville/Jefferson County, KY (population 640,796), 35.3 miles away. The nearest place of 10,000 or more is Madison, IN (population 12,108), 9.9 miles away.

Trimble County FIPS code

The FIPS code of Trimble County is 21223: state code 21 for Kentucky plus county code 223. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $65,885.

Questions people ask

What is the population of Trimble County, Kentucky?

The Census Vintage 2024 estimate for July 1, 2024 is 8,591. That is up 128 people (1.5%) from the July 2020 estimate of 8,463.

What is the FIPS code of Trimble County?

21223. The first two digits (21) are Kentucky; the last three (223) identify the county.

What is the largest town in Trimble County?

No incorporated place of 1,000 or more people has residents in Trimble County. Its people live in smaller towns, census-designated places or unincorporated land.

Which counties border Trimble County?

5 county-equivalents border it in the Census 2024 adjacency file: Clark County, IN; Oldham County, KY; Jefferson County, IN; Henry County, KY; Carroll 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.