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Population Review

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.

Oldham County within Kentucky · Source: US Census TIGER/Line via us-atlas

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%.

2024 · 71K20102024

70,525

Population (2024)

60,441

Population (2010)

70,525

Peak (2024)

1.11%

Avg Annual Growth

YearPopulation
201060,441
201160,782
201262,119
201363,078
201463,991
201564,586
201665,487
201766,606
201866,632
201966,818
202067,696
202168,251
202269,506
202370,308
202470,525

Race & Ethnicity

White87.6%
Black or African American3.7%
Asian0.0%
Hispanic or Latino (any race)1.1%
Two or More Races0.0%

Age & Sex

39.7

Median Age

47.6%

Female

52.4%

Male

14.0%

Age 65+

Age Distribution

Under 5
5.0%
5–9
7.4%
10–14
7.8%
15–19
7.6%
20–24
5.5%
25–34
10.3%
35–44
14.3%
45–54
15.4%
55–59
6.7%
60–64
6.0%
65–74
8.8%
75–84
4.4%
85+
0.8%

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 rate2.7%-9.1% vs state
Unemployment rate2.2%
Employment-to-population62.3%

Top Industries by Employment

Professional & business services
25.5%
Manufacturing
12.1%
Information
10.6%
Finance & real estate
10.5%
Education & health care
7.6%
Construction
6.1%
Retail trade
5.7%
Arts, entertainment & food
4.5%

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+

Largest cities in Kentucky

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.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.