Jessamine County, Kentucky Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 18th-largest in Kentucky
The population of Jessamine County, Kentucky is 53,792 as of the 2023 American Community Survey, making it the 18th-largest county in Kentucky. The median household income is $74,886, the median home value is $245,100, and the median age is 38.7.
The population of Jessamine County has grown 16.0% since 2010 (48,682 → 56,495), a +1.07% annualized rate.
53,792
Population
+1.07%
Annual growth
313
People / sq mi
$74,886
Median Income
$245,100
Median Home Value
Jessamine County covers 172 sq mi of land at 312.5 people per square mile.
About Jessamine County, KY
What distinguishes Jessamine County is density: among the most densely settled of US counties, around 313 people per square mile. With 53,792 residents, Jessamine County is a county in Kentucky. It ranks #18 among counties in Kentucky by population.
Households take in a median $74,886, comfortably near the US median of $78,538. About 8.4% of residents live below the federal poverty level, below the national 12.4%. A typical home is worth $245,100, with typical rent around $994.
Educational attainment is on the higher side for US counties — 32.4% of adults hold a four-year degree, below the national 35.0%. About 10.3% of workers primarily work from home, below the national 14.0%, and the average commute runs about 24 minutes each way.
That density explains much of the rest of the profile in Jessamine County: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Jessamine County Population History (2010-2024)
The county of Jessamine County had a population of 48,682 in 2010 and 56,495 in 2024, a 16.0% growth over 14 years. The peak was 56,495 in 2024. Average annual growth rate: 1.07%.
56,495
Population (2024)
48,682
Population (2010)
56,495
Peak (2024)
1.07%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 48,682 |
| 2011 | 48,892 |
| 2012 | 49,469 |
| 2013 | 50,124 |
| 2014 | 50,877 |
| 2015 | 51,822 |
| 2016 | 52,259 |
| 2017 | 53,274 |
| 2018 | 53,777 |
| 2019 | 54,012 |
| 2020 | 53,019 |
| 2021 | 53,583 |
| 2022 | 54,333 |
| 2023 | 55,511 |
| 2024 | 56,495 |
Race & Ethnicity
| White | 88.2% |
| Black or African American | 4.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.9% |
| Two or More Races | 0.0% |
Age & Sex
38.7
Median Age
51.2%
Female
48.8%
Male
15.9%
Age 65+
Age Distribution
Children (under 15): 19.8% · Seniors (65+): 15.9%
Income & Poverty
| Median household income | $74,886+$12,469 vs state |
| Mean household income | $112,610 |
| Per-capita income | $40,444 |
| Poverty rate | 8.4%-3.4% vs state |
| Unemployment rate | 2.0% |
| Employment-to-population | 60.8% |
Top Industries by Employment
The largest employment sector in Jessamine County is professional & business services, accounting for 28.7% of workers.
How residents commute
0.3%
Drive alone
1.9%
Carpool
76.9%
Public transit
10.3%
Work from home
24.2 min
Avg commute
Housing
$245,100+$52,800 vs state
Median home value
$994
Median rent
69.3%
Homeownership rate
20,936
Total housing units
93.8%
Occupied
6.2%
Vacant
30.7%
Renter-occupied
Social & access
93.5%
With health insurance
94.8%
With broadband internet
25.3%
Foreign-born
6.6%
Veterans (18+)
14.4%
With a disability
92.6%
Speak language other than English at home
Education
90.5%
High School+
32.4%
Bachelor's+
Largest cities in Kentucky
Other counties in Kentucky
Part of Kentucky
Metro areas in Kentucky
County rankings
Frequently Asked Questions
Jessamine County, Kentucky has a population of 53,792 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 18th-largest county in Kentucky. Population density is 313 people per square mile.
The population of Jessamine County has grown 16.0% since 2010 (48,682 → 56,495), a +1.07% annualized rate.
The median household income in Jessamine County, Kentucky is $74,886, with mean (average) household income of $112,610 and per-capita income of $40,444. 8.4% of residents live below the federal poverty level.
In Jessamine County, the largest racial and ethnic groups are White (88.2%), Black or African American (4.0%), Hispanic or Latino (0.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Jessamine County, Kentucky is 38.7 years. Residents are 51.2% female and 48.8% male.
The median home value in Jessamine County is $245,100 and median monthly rent is $994. 69.3% of occupied housing units are owner-occupied. The county has 20,936 total housing units, 6.2% of which are vacant.
The largest employment sector in Jessamine County, Kentucky is professional, scientific, and management services, employing 28.7% of workers. The unemployment rate is 2.0%.
Louisville/Jefferson County is among the largest cities associated with Jessamine County, Kentucky, with a population of 627,210.
Jessamine County, KY Climate
Jessamine County, KY has an average annual temperature of 12.7°C (55°F) and receives about 1178 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
12.7°C
Avg Temp
1178
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 0° / 32° | 79 mm |
| February | 2° / 36° | 86 mm |
| March | 7° / 45° | 113 mm |
| April | 12° / 54° | 104 mm |
| May | 17° / 63° | 120 mm |
| June | 22° / 72° | 107 mm |
| July | 24° / 76° | 119 mm |
| August | 24° / 74° | 96 mm |
| September | 20° / 68° | 88 mm |
| October | 14° / 56° | 71 mm |
| November | 8° / 46° | 91 mm |
| December | 3° / 37° | 104 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 Jessamine County, KY
The most comfortable months to visit Jessamine 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 -5°C low). May is usually the wettest month.
Where to stay near Jessamine County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.