Trimble County, Kentucky Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 107th-largest in Kentucky
The population of Trimble County, Kentucky is 8,531 as of the 2023 American Community Survey, making it the 107th-largest county in Kentucky. The median household income is $67,813, the median home value is $172,700, and the median age is 40.9.
The population of Trimble County has declined 2.5% since 2010 (8,809 → 8,591), a -0.18% annualized rate.
8,531
Population
-0.18%
Annual growth
58
People / sq mi
$67,813
Median Income
$172,700
Median Home Value
Trimble County covers 148 sq mi of land at 57.7 people per square mile.
About Trimble County, KY
Trimble County is a county in Kentucky with a population of 8,531. It ranks #107 among counties in Kentucky by population. The median age is 40.9, older than the national median. The population is 49.8% male and 50.2% female.
The median household income in Trimble County is $67,813, below the US median of $74,580. 7.3% of residents live below the federal poverty level. Home values sit at a median of $172,700, with monthly rent averaging $935. The homeownership rate of 82.0% is higher than the national rate of 64.8%.
Educational attainment in Trimble County reflects 14.7% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 5.0% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 29.3 minutes each way.
Trimble County Population History (2010-2024)
The county of Trimble County had a population of 8,809 in 2010 and 8,591 in 2024, a -2.5% growth over 14 years. The peak was 8,843 in 2012. Average annual growth rate: -0.18%.
8,591
Population (2024)
8,809
Population (2010)
8,843
Peak (2012)
-0.18%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 8,809 |
| 2011 | 8,812 |
| 2012 | 8,843 |
| 2013 | 8,808 |
| 2014 | 8,726 |
| 2015 | 8,739 |
| 2016 | 8,593 |
| 2017 | 8,535 |
| 2018 | 8,500 |
| 2019 | 8,529 |
| 2020 | 8,463 |
| 2021 | 8,553 |
| 2022 | 8,525 |
| 2023 | 8,616 |
| 2024 | 8,591 |
Race & Ethnicity
| White | 93.5% |
| Black or African American | 0.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.6% |
| Two or More Races | 0.0% |
Age & Sex
40.9
Median Age
50.2%
Female
49.8%
Male
18.3%
Age 65+
Age Distribution
Children (under 15): 18.0% · Seniors (65+): 18.3%
Income & Poverty
| Median household income | $67,813+$5,396 vs state |
| Mean household income | $81,427 |
| Per-capita income | $31,542 |
| Poverty rate | 7.3%-4.5% vs state |
| Unemployment rate | 4.5% |
| Employment-to-population | 53.1% |
Top Industries by Employment
The largest employment sector in Trimble County is manufacturing, accounting for 24.0% of workers.
How residents commute
0.0%
Drive alone
3.0%
Carpool
75.0%
Public transit
5.0%
Work from home
29.3 min
Avg commute
Housing
$172,700$-19,600 vs state
Median home value
$935
Median rent
82.0%
Homeownership rate
3,870
Total housing units
84.7%
Occupied
15.3%
Vacant
18.0%
Renter-occupied
Social & access
94.5%
With health insurance
91.0%
With broadband internet
38.6%
Foreign-born
10.2%
Veterans (18+)
18.5%
With a disability
98.3%
Speak language other than English at home
Education
85.6%
High School+
14.7%
Bachelor's+
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County rankings
Frequently Asked Questions
Trimble County, Kentucky has a population of 8,531 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 107th-largest county in Kentucky. Population density is 58 people per square mile.
The population of Trimble County has declined 2.5% since 2010 (8,809 → 8,591), a -0.18% annualized rate.
The median household income in Trimble County, Kentucky is $67,813, with mean (average) household income of $81,427 and per-capita income of $31,542. 7.3% of residents live below the federal poverty level.
In Trimble County, the largest racial and ethnic groups are White (93.5%), Black or African American (0.8%), Hispanic or Latino (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Trimble County, Kentucky is 40.9 years. Residents are 50.2% female and 49.8% male.
The median home value in Trimble County is $172,700 and median monthly rent is $935. 82.0% of occupied housing units are owner-occupied. The county has 3,870 total housing units, 15.3% of which are vacant.
The largest employment sector in Trimble County, Kentucky is manufacturing, employing 24.0% of workers. The unemployment rate is 4.5%.
Louisville/Jefferson County is among the largest cities associated with Trimble County, Kentucky, with a population of 627,210.
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Statewide data for Kentucky
Population, race, income, age, and trends across Kentucky
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.