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Oldham County, KY
8 cities and towns and 8 ZIP codes in Oldham County, Kentucky.
Population
69,257
Land area
187sq mi
People per sq mi
370
ZIP codes
8
Cities and towns in Oldham County
Oldham County at a glance
- Oldham County is about 3.2 times as dense as Kentucky as a whole.
- It is the 12th most populous of 120 counties in Kentucky.
- Households here earn a median of $122,497 a year, 92% more than the Kentucky figure of $63,726.
- A typical owner-occupied home is valued at $393,100 (91% above Kentucky) and median rent is $1,219 a month.
- The biggest population centers are La Grange (10,311), Crestwood (6,356) and Buckner (4,119).
Local data for Oldham County, KY
Counts from official public data
Housing and community stats
Oldham County, KY, American Community Survey 2020-2024
Median household income
$122,497
Poverty rate
4.3%
Median home value
$393,100
Prices +4.9% in a year
Median rent
$1,219/mo
Homeownership
87.1%
Bachelor's or higher
46.4%
Median age
39.9
Average commute
26.2 min
Largest reported origins and ancestries: German Americans (15,193), Irish Americans (9,411), Italian Americans (2,397).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
4.0%
Sep 2026, +0.2 pts in a year
Average annual pay
$66,912
16,995 jobs, 2025
Income per person
$87,137
BEA, 2024
Federal spending
$369M
FY 2026, $5,461 per person
PPP loans
$106M
1,880 loans, 12,550 jobs reported
Campaign donations
$1.5M
Itemized, 2026 cycle
How people get to work
Oldham County, KY, workers 16 and older. American Community Survey 5-year estimates
- Drove alone71.8%
- Carpooled8.1%
- Public transit0.2%
- Walked0.7%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.5%
- Worked from home18.7%
Average one-way commute: 26.2 minutes for people who do not work from home.
Environment and hazard risk
Oldham County, KY, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: strong wind
Storm events since 1996
337
Most often thunderstorm wind
Flood insurance policies
241
1.1% of homes, county
July high / Jan low
88° / 23°F
52.9 inches of rain a year
Hazards, floods and storm historyCheck a flood zone30 historic places
Cities, towns and ZIP codes in Oldham County
Population shown
Frequently asked questions
- What is the largest city in Oldham County, KY?
- La Grange is the largest city or town in Oldham County, with about 10,311 residents.
- How many ZIP codes are in Oldham County?
- Oldham County includes 8 ZIP Code Tabulation Areas, including 40010, 40014, 40026, 40031, 40055.
- What is the population of Oldham County, KY?
- About 69,257 people live in Oldham County, based on American Community Survey 5-year estimates.
- What counties border Oldham County?
- Oldham County borders Jefferson County, Clark County, IN, Shelby County, Henry County, Trimble County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023