Oldham County, Kentucky Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 12th-largest in Kentucky
The population of Oldham County, Kentucky is 68,600 as of the 2023 American Community Survey, making it the 12th-largest county in Kentucky. The median household income is $121,491, the median home value is $375,000, and the median age is 39.7.
The population of Oldham County has grown 16.7% since 2010 (60,441 → 70,525), a +1.11% annualized rate.
68,600
Population
+1.11%
Annual growth
366
People / sq mi
$121,491
Median Income
$375,000
Median Home Value
Oldham County covers 187 sq mi of land at 366.3 people per square mile.
About Oldham County, KY
Oldham County is a county in Kentucky with a population of 68,600. It ranks #12 among counties in Kentucky by population. The median age is 39.7, in line with the national median. The population is 52.4% male and 47.6% female.
The median household income in Oldham County is $121,491, above the US median of $74,580. 2.7% of residents live below the federal poverty level. Home values sit at a median of $375,000, with monthly rent averaging $1,142. The homeownership rate of 88.1% is higher than the national rate of 64.8%.
Educational attainment in Oldham County reflects 45.6% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 15.9% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 26.1 minutes each way.
Oldham County Population History (2010-2024)
The county of Oldham County had a population of 60,441 in 2010 and 70,525 in 2024, a 16.7% growth over 14 years. The peak was 70,525 in 2024. Average annual growth rate: 1.11%.
70,525
Population (2024)
60,441
Population (2010)
70,525
Peak (2024)
1.11%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 60,441 |
| 2011 | 60,782 |
| 2012 | 62,119 |
| 2013 | 63,078 |
| 2014 | 63,991 |
| 2015 | 64,586 |
| 2016 | 65,487 |
| 2017 | 66,606 |
| 2018 | 66,632 |
| 2019 | 66,818 |
| 2020 | 67,696 |
| 2021 | 68,251 |
| 2022 | 69,506 |
| 2023 | 70,308 |
| 2024 | 70,525 |
Race & Ethnicity
| White | 87.6% |
| Black or African American | 3.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
| Two or More Races | 0.0% |
Age & Sex
39.7
Median Age
47.6%
Female
52.4%
Male
14.0%
Age 65+
Age Distribution
Children (under 15): 20.2% · Seniors (65+): 14.0%
Income & Poverty
| Median household income | $121,491+$59,074 vs state |
| Mean household income | $159,042 |
| Per-capita income | $52,773 |
| Poverty rate | 2.7%-9.1% vs state |
| Unemployment rate | 2.2% |
| Employment-to-population | 62.3% |
Top Industries by Employment
The largest employment sector in Oldham County is professional & business services, accounting for 25.5% of workers.
How residents commute
0.0%
Drive alone
0.8%
Carpool
74.8%
Public transit
15.9%
Work from home
26.1 min
Avg commute
Housing
$375,000+$182,700 vs state
Median home value
$1,142
Median rent
88.1%
Homeownership rate
23,512
Total housing units
95.5%
Occupied
4.5%
Vacant
11.9%
Renter-occupied
Social & access
97.3%
With health insurance
97.8%
With broadband internet
36.6%
Foreign-born
7.0%
Veterans (18+)
8.9%
With a disability
94.7%
Speak language other than English at home
Education
94.1%
High School+
45.6%
Bachelor's+
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Other counties in Kentucky
Part of Kentucky
Metro areas in Kentucky
County rankings
Frequently Asked Questions
Oldham County, Kentucky has a population of 68,600 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 12th-largest county in Kentucky. Population density is 366 people per square mile.
The population of Oldham County has grown 16.7% since 2010 (60,441 → 70,525), a +1.11% annualized rate.
The median household income in Oldham County, Kentucky is $121,491, with mean (average) household income of $159,042 and per-capita income of $52,773. 2.7% of residents live below the federal poverty level.
In Oldham County, the largest racial and ethnic groups are White (87.6%), Black or African American (3.7%), Hispanic or Latino (1.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Oldham County, Kentucky is 39.7 years. Residents are 47.6% female and 52.4% male.
The median home value in Oldham County is $375,000 and median monthly rent is $1,142. 88.1% of occupied housing units are owner-occupied. The county has 23,512 total housing units, 4.5% of which are vacant.
The largest employment sector in Oldham County, Kentucky is professional, scientific, and management services, employing 25.5% of workers. The unemployment rate is 2.2%.
Louisville/Jefferson County is among the largest cities associated with Oldham 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.