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
Homeownership is the standout figure in Trimble County: 82.0% of homes are owner-occupied, higher than the national rate. With 8,531 residents, Trimble County is a county in Kentucky.
Household earnings are middling, with a median of $67,813 — below the US median of $78,538. The poverty rate is 7.3%, below the national 12.4%. The typical home is valued at $172,700, with typical rent around $935.
College attainment is 14.7%, below the national 35.0%. Most workers commute: only 5.0% work from home, below the national 14.0%, and the average commute runs about 29 minutes each way.
The ownership rate anchors the housing story in Trimble County, and tends to move with the age structure and home-value figures above.
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+
Largest cities in Kentucky
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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.
Trimble County, KY Climate
Trimble County, KY has an average annual temperature of 12.2°C (54°F) and receives about 1175 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
12.2°C
Avg Temp
1175
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -1° / 30° | 79 mm |
| February | 1° / 34° | 77 mm |
| March | 7° / 44° | 108 mm |
| April | 12° / 53° | 112 mm |
| May | 17° / 63° | 124 mm |
| June | 22° / 71° | 110 mm |
| July | 24° / 75° | 111 mm |
| August | 23° / 74° | 102 mm |
| September | 20° / 67° | 78 mm |
| October | 13° / 56° | 81 mm |
| November | 7° / 45° | 97 mm |
| December | 2° / 35° | 96 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Trimble County, KY
The most comfortable months to visit Trimble County, KY are typically September, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -6°C low). May is usually the wettest month.
Where to stay near Trimble County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.