County · Kentucky
Oldham County, Kentucky
Oldham County, Kentucky. Oldham County had 70,986 residents in 2025 by the Census Bureau's estimate, up 5.0% since 2020, faster than Kentucky (+2.2%). It holds 9 places (7 cities, villages and boroughs and 2 census-designated) and 15 census tracts. GEOID 21185.
Oldham County is one of the 12 counties of the Louisville/Jefferson County, KY-IN metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
70,986
Census Bureau estimate (no margin published)
2020 Census count: 67,607 · ACS 2020-2024: 69,257
Median household income
$122,497
±$5,474 (90% margin)
Kentucky: $63,726
Median home value
$393,100
±$9,834 (90% margin)
Kentucky: $205,600
Median gross rent
$1,219
±$83 (90% margin)
Kentucky: $967
How many people live in Oldham County, and is it growing?
The 2020 Census counted 67,607 residents in Oldham County. The Census Bureau estimates 70,986 for July 1, 2025, up 5.0% since 2020, faster than Kentucky (+2.2%). The 2020-2024 American Community Survey puts the population at 69,257 over 187 square miles of land.
| Measure | Oldham County | Kentucky | Change since 2015-2019 |
|---|---|---|---|
| Total population | 69,257 | 4,534,824 | +3,290 |
| Households | 23,025±232 | 1,814,469 | +2,114 |
| Average household size | 2.84±0.03 | 2.43 | −0.14 |
| Housing units | 23,837±85 | 2,023,116 | +1,864 |
Oldham County's population since 2000
From 46,178 in 2000 to 70,986 in 2025: up 53.7%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Oldham County?
Oldham County holds 9 places: 7 cities, villages and boroughs (incorporated places) and 2 census-designated places. The largest is La Grange with 10,669 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| La Grange | 10,067 | $88,464 |
|---|---|---|
| Crestwood | 6,183 | $108,046 |
| Buckner | 5,785 | $164,219 |
| Pewee Valley | 1,588 | $156,979 |
| Orchard Grass Hills | 1,536 | $107,000 |
| Goshen | 892 | $88,188 |
| River Bluff | 436 | $148,750 |
| WestportGEOID 2181948 | 253 | $53,047 |
| Prospect | 4,592 | $163,462 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Oldham County?
The median resident of Oldham County is 39.9 years old; 24.7% are under 18 and 14.6% are 65 or older. The largest group is non-Hispanic white residents at 85.6%, then Hispanic or Latino residents (of any race) at 5.0%. 4.2% of residents were born outside the United States.
| Measure | Oldham County | Kentucky | Change since 2015-2019 |
|---|---|---|---|
| Median age | 39.9±0.4 | 39.1 | +1.0 |
| Under 18 years | 24.7% | 22.6% | – |
| 65 years and over | 14.6%±0.1 pts | 17.3% | – |
| Hispanic or Latino (any race) | 5.0% | 5.0% | +1.0 pts |
| White alone, not Hispanic | 85.6%±0.4 pts | 81.5% | −2.7 pts |
| Black or African American alone, not Hispanic | 2.9%±0.4 pts | 7.6% | −0.7 pts |
| Asian alone, not Hispanic | 1.6%±0.2 pts | 1.6% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Two or more races, not Hispanic | 4.1%±0.5 pts | 3.9% | – |
| Some other race alone, not Hispanic | 0.8%±0.4 pts | 0.3% | – |
| Born outside the United States | 4.2%±0.5 pts | 4.7% | no clear change |
| Speak a language other than English at home (age 5+) | 6.0%±0.6 pts | 6.8% | – |
| Civilian veterans (age 18+) | 7.0%±0.7 pts | 6.5% | – |
| With a disability | 9.9%±1.0 pts | 17.9% | – |
| No health insurance coverage | 3.2%±0.6 pts | 6.0% | no clear change |
| High school graduate or higher (age 25+) | 94.5%±0.7 pts | 88.9% | – |
| Bachelor's degree or higher (age 25+) | 46.4%±1.9 pts | 27.6% | +4.0 pts |
| Graduate or professional degree (age 25+) | 20.0%±1.4 pts | 11.3% | – |
| Moved from another state in the past year | 2.6%±0.8 pts | 2.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Oldham County earn?
Half of Oldham County's 23,025 households earn less than $122,497 a year (±$5,474), against $63,726 in Kentucky. In 2015-2019 it was $121,996 in 2024 dollars; the margins of error cannot tell the two periods apart. 4.3% of residents live below the poverty line.
| Measure | Oldham County | Kentucky | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $122,497±$5,474 | $63,726 | no clear change |
| Mean household income | $162,241±$7,551 | $87,807 | – |
| Per capita income | $54,496±$1,827 | $35,821 | +$2,472 |
| People below the poverty line | 4.3%±0.8 pts | 16.1% | −1.6 pts |
| Children under 18 below the poverty line | 3.7%±1.2 pts | 20.3% | −3.8 pts |
| Households receiving SNAP | 3.4%±0.9 pts | 13.2% | – |
| Households with a broadband subscription | 95.4%±1.0 pts | 88.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Oldham County?
Owners occupy 87.1% of Oldham County's occupied homes and renters 12.9%. The median owner-occupied home is valued at $393,100 by its owner (±$9,834). The median renter pays $1,219 a month including utilities, and 32.2% of renters pay 35% or more of their income on rent.
| Measure | Oldham County | Kentucky | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $393,100±$9,834 | $205,600 | +$45,921 |
| Median gross rent | $1,219±$83 | $967 | no clear change |
| Renters paying 35% or more of income on rent | 32.2%±7.9 pts | 36.6% | no clear change |
| Median monthly owner costs, with a mortgage | $2,193±$87 | $1,433 | – |
| Owner-occupied homes | 87.1%±1.4 pts | 68.3% | +2.4 pts |
| Housing units | 23,837±85 | 2,023,116 | +1,864 |
| Homeowner vacancy rate | 0.2%±0.2 pts | 0.9% | – |
| Rental vacancy rate | 5.8%±3.5 pts | 4.6% | – |
| Single-family detached homes | 87.1%±1.3 pts | 67.5% | – |
| Mobile homes | 1.3%±0.5 pts | 10.7% | – |
| Built 2020 or later | 3.7%±0.8 pts | 1.8% | – |
| Built 1939 or earlier | 3.4%±0.7 pts | 9.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Oldham County building?
Builders took permits for 276 new housing units across Oldham County in 2025 (276 single-family), 3.9 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Oldham County get to work?
71.8% of Oldham County's workers drive alone and 18.7% work from home. The average trip to work takes 26.2 minutes. The unemployment rate in 2020-2024 averaged 3.5%.
| Measure | Oldham County | Kentucky | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 64.3%±1.1 pts | 59.7% | – |
| Unemployment rate | 3.5%±0.7 pts | 4.9% | no clear change |
| Drove alone to work | 71.8%±1.9 pts | 76.6% | – |
| Carpooled | 8.1%±1.2 pts | 9.3% | – |
| Public transportation | 0.2%±0.2 pts | 0.6% | – |
| Walked | 0.7%±0.3 pts | 2.0% | – |
| Worked from home | 18.7%±1.5 pts | 10.2% | +12.0 pts |
| Mean travel time to work | 26.2 min±0.7 | 24.0 min | −1.3 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Oldham County's census tracts?
Oldham County is divided into 15 census tracts. Among those with a reliable estimate, median household income runs from $81,300 (Tract 303.02) to $196,964 (Tract 307.01).
| Tract 30121185030100 | 2,393±317 | $101,827 |
|---|---|---|
| Tract 30221185030200 | 4,775±237 | $85,625 |
| Tract 303.0121185030301 | 4,171±565 | $81,919 |
| Tract 303.0221185030302 | 5,184±598 | $81,300 |
| Tract 304.0121185030401 | 7,013±560 | $117,596 |
| Tract 304.0221185030402 | 3,777±414 | $104,648 |
| Tract 305.0121185030501 | 4,554±490 | $107,750 |
| Tract 305.0221185030502 | 5,222±589 | $130,427 |
| Tract 306.0121185030601 | 7,577±779 | $154,508 |
| Tract 306.0221185030602 | 5,371±513 | $115,938 |
| Tract 307.0121185030701 | 2,942±425 | $196,964 |
| Tract 307.0321185030703 | 4,005±397 | $161,750 |
| Tract 307.0421185030704 | 2,815±383 | $170,750 |
| Tract 308.0121185030801 | 4,799±478 | $196,754 |
| Tract 308.0221185030802 | 4,659±359 | $120,464 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Oldham County compare with Kentucky's other counties?
| Measure | Rank |
|---|---|
| Population | 12th of 120 |
| Growth 2020-2025 | 23rd of 120 |
| Residents per square mile | 6th of 120 |
| Median household income | 1st of 120 |
| Median home value | 1st of 120 |
| Median gross rent | 3rd of 120 |
| Poverty rate | 120th of 120 |
| Bachelor's degree or higher | 2nd of 120 |
| Median age | 88th of 120 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Oldham County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.