County · Kentucky

Jefferson County, Kentucky

Jefferson County, Kentucky. Jefferson County had 795,222 residents in 2025 by the Census Bureau's estimate, up 1.6% since 2020, slower than Kentucky (+2.2%). It holds 84 places (84 cities, villages and boroughs) and 216 census tracts. GEOID 21111.

Jefferson 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

795,222

Census Bureau estimate (no margin published)
2020 Census count: 782,969 · ACS 2020-2024: 783,022

Median household income

$69,866

±$1,228 (90% margin)
Kentucky: $63,726

Median home value

$248,400

±$2,496 (90% margin)
Kentucky: $205,600

Median gross rent

$1,149

±$13 (90% margin)
Kentucky: $967

How many people live in Jefferson County, and is it growing?

The 2020 Census counted 782,969 residents in Jefferson County. The Census Bureau estimates 795,222 for July 1, 2025, up 1.6% since 2020, slower than Kentucky (+2.2%). The 2020-2024 American Community Survey puts the population at 783,022 over 381 square miles of land.

July 2020→2021 −5,092 (777,774)
2021→2022 +1,225 (778,999)
2022→2023 +5,608 (784,607)
2023→2024 +9,559 (794,166)
2024→2025 +1,056 (795,222)

Jefferson County in Kentucky. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Jefferson County	Kentucky	Change since 2015-2019
Total population	783,022	4,534,824	+15,603
Households	331,554±1,638	1,814,469	+18,875
Average household size	2.32±0.01	2.43	−0.08
Housing units	359,710±216	2,023,116	+14,449

Jefferson County's population since 2000

From 693,604 in 2000 to 795,222 in 2025: up 14.7%. 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.

2000 Census 693,604
2005 (estimate) 710,018
2010 Census 741,096
2015 (estimate) 765,322
2020 Census 782,969
2025 (estimate) 795,222

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 Jefferson County?

Jefferson County holds 84 places: 84 cities, villages and boroughs (incorporated places). The largest is Louisville/Jefferson County with 641,962 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Jefferson County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Louisville/Jefferson County	metro government	386,884	631,818±200	$66,849	$233,900	15.8%	100%
Jeffersontown	city	28,474	29,199±97	$81,506	$250,700	6.5%	100%
St. Matthews	city	17,534	17,577±39	$82,412	$338,000	7.2%	100%
Shively	city	15,636	15,638±48	$50,221	$154,700	14.7%	100%
Lyndon	city	11,008	11,030±50	$65,679	$276,800	9.2%	100%
Middletown	city	9,706	9,763±57	$82,537	$336,000	9.1%	100%
Douglass Hills	city	5,456	5,474±19	$78,482	$346,300	6.4%	100%
Hurstbourne	city	4,683	4,702±16	$116,094	$542,600	5.5%	100%
Prospect	city	4,592	4,542±37	$163,462	$538,400	2.4%	99%
Indian Hills	city	2,860	2,897±24	$192,000	$699,200	2.6%	100%
Graymoor-Devondale	city	2,853	2,802±26	$96,667	$338,000	5.6%	100%
Anchorage	city	2,500	2,506±27	$199,375	$854,200	11.9%	100%
Windy Hills	city	2,427	2,081±218	$130,714	$402,000	5.1%	100%
Hurstbourne Acres	city	1,957	1,972±333	$66,891	$321,300	4.6%	100%
Worthington Hills	city	1,563	1,957±507	$73,889	$224,100	14.1%	100%
St. Regis Park	city	1,438	1,783±409	$107,813	$328,100	8.6%	100%
Audubon Park	city	1,433	1,707±209	$100,972	$362,700	1.6%	100%
West Buechel	city	1,370	1,599±280	$48,784	$185,600	18.8%	100%
Coldstream	city	1,295	1,331±256	$109,226	$277,700	2.8%	100%
Beechwood Village	city	1,280	1,292±255	$118,333	$343,600	8.7%	100%
Barbourmeade	city	1,216	1,247±237	$116,875	$384,900	12.0%	100%
Heritage Creek	city	1,209	1,283±312	$100,294	$270,500	2.4%	100%
Watterson Park	city	1,004	734±272	$39,844	$213,200	17.2%	100%
Northfield	city	991	1,250±324	$111,250	$513,300	10.5%	100%
Woodlawn Park	city	947	857±157	$101,653	$323,700	5.0%	100%
Lynnview	city	945	641±97	$55,833	$161,600	12.3%	100%
Rolling Hills	city	934	982±201	$84,375	$275,300	18.1%	100%
Bellemeade	city	909	851±129	$97,639	$353,200	5.8%	100%
Langdon Place	city	870	917±219	$100,313	$330,300	3.5%	100%
Fincastle	city	848	717±133	$90,833	$263,700	8.8%	100%
Plantation	city	826	1,013±254	$82,167	$246,000	7.2%	100%
Hollow Creek	city	799	602±187	$111,250	$269,500	1.7%	100%
Blue Ridge Manor	city	791	743±140	$70,536	$229,600	10.2%	100%
Woodland Hills	city	736	575±128	$96,042	$259,800	1.2%	100%
Meadow Vale	city	730	878±293	$88,750	$304,300	4.2%	100%
Rolling FieldsGEOID 2166486	city	720	645±132	$223,125	$860,100	0.5%	100%
Green Spring	city	711	589±163	$170,313	$457,800	0.3%	100%
Strathmoor Village	city	684	574±85	$104,375	$384,900	5.9%	100%
Spring ValleyGEOID 2172790	city	675	707±158	$150,750	$429,200	2.0%	100%
Seneca Gardens	city	674	586±118	$120,000	$556,100	2.4%	100%
Brownsboro FarmGEOID 2110162	city	640	604±126	$146,563	$404,900	2.0%	100%
Parkway Village	city	623	588±160	$90,833	$253,600	1.7%	100%
Glenview	city	596	557±121	$250,000 or more	$1,146,900	1.3%	100%
Westwood, Jefferson CountyGEOID 2182164	city	571	432±90	$101,875	$337,800	9.0%	100%
Murray Hill	city	565	594±193	$99,063	$404,300	3.0%	100%
Wellington	city	564	492±90	$94,083	$345,400	4.5%	100%
HollyvillaGEOID 2137630	city	518	434±117	$55,938	$162,100	7.1%	100%
BancroftGEOID 2103376	city	503	479±127	$110,000	$368,300	2.3%	100%
Houston AcresGEOID 2138170	city	492	745±332	$94,000	$253,700	13.3%	100%
RiverwoodGEOID 2165766	city	492	527±201	$226,250	$671,200	1.7%	100%
Briarwood	city	445	388±61	$73,500	$206,500	6.2%	100%
Forest Hills	city	438	387±135	$68,438	$250,800	16.0%	100%
Norbourne Estates	city	437	476±121	$179,219	$636,800	0.8%	100%
Moorland	city	433	479±129	$72,750	$228,200	7.5%	100%
Richlawn	city	415	351±84	$123,125	$414,100	2.6%	100%
Kingsley	city	397	442±89	$124,792	$359,500	2.3%	100%
Poplar HillsGEOID 2162370	city	380	602±265	$21,480	not published	56.6%	100%
Norwood	city	379	424±124	$111,458	$369,100	5.2%	100%
Glenview HillsGEOID 2131402	city	377	342±71	$158,125	$609,400	0.9%	100%
Old Brownsboro PlaceGEOID 2157658	city	376	332±63	$159,375	$466,200	2.4%	100%
Strathmoor ManorGEOID 2174064	city	351	422±168	$192,917	$415,100	2.4%	100%
BellewoodGEOID 2105464	city	340	308±70	$153,750	$476,600	1.0%	100%
Brownsboro Village	city	308	325±70	$71,250	$365,100	7.7%	100%
CreeksideGEOID 2118270	city	305	346±122	$135,385	$320,300	3.2%	100%
Goose CreekGEOID 2131870	city	303	263±49	$115,625	$343,100	9.1%	100%
Druid HillsGEOID 2122474	city	299	320±64	$133,750	$491,700	4.4%	100%
Spring MillGEOID 2172770	city	294	389±149	$109,375	$316,700	1.5%	100%
WildwoodGEOID 2183208	city	281	220±55	$107,083	$328,700	3.2%	100%
Broeck PointeGEOID 2109847	city	245	205±50	$106,250	$393,300	3.4%	100%
Manor CreekGEOID 2149800	city	240	221±58	$158,750	$364,200	0.0%	100%
CrossgateGEOID 2118766	city	221	189±46	$131,875	$370,800	0.5%	100%
Glenview ManorGEOID 2131420	city	206	170±59	$211,250	$625,000	3.5%	100%
Maryhill EstatesGEOID 2150412	city	185	268±83	$248,750	$686,200	0.4%	100%
ThornhillGEOID 2176380	city	185	192±64	$133,125	$433,300	0.5%	100%
Meadowview Estates	city	178	390±128	$56,875	$216,700	11.3%	100%
Mockingbird ValleyGEOID 2152842	city	175	138±38	$250,000 or more	$1,178,600	0.0%	100%
SycamoreGEOID 2175190	city	166	118±51	$65,000	$196,700	9.3%	100%
CambridgeGEOID 2112066	city	162	167±53	$101,429	$256,500	1.8%	100%
Hills and DalesGEOID 2136865	city	146	134±46	$115,625	$528,400	4.5%	100%
LincolnshireGEOID 2146540	city	137	124±47	$101,875	$305,600	5.6%	100%
Hickory HillGEOID 2136374	city	119	157±79	$103,750	$307,100	1.9%	100%
Meadowbrook FarmGEOID 2151193	city	117	109±36	$81,875	$262,500	14.7%	100%
Ten BroeckGEOID 2175963	city	99	111±37	$119,500	$694,400	3.6%	100%
South Park ViewGEOID 2172138	city	0	0±13	not published	not published	–	100%

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 Jefferson County?

The median resident of Jefferson County is 38.4 years old; 22.3% are under 18 and 17.2% are 65 or older. The largest group is non-Hispanic white residents at 62.0%, then non-Hispanic Black residents at 20.6%. 10.0% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Jefferson County	Kentucky	Change since 2015-2019
Median age	38.4±0.2	39.1	no clear change
Under 18 years	22.3%±0.1 pts	22.6%	–
65 years and over	17.2%±0.1 pts	17.3%	–
Hispanic or Latino (any race)	8.6%	5.0%	+3.2 pts
White alone, not Hispanic	62.0%±0.2 pts	81.5%	−5.4 pts
Black or African American alone, not Hispanic	20.6%±0.3 pts	7.6%	−0.9 pts
Asian alone, not Hispanic	3.1%±0.1 pts	1.6%	+0.2 pts
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	5.2%±0.3 pts	3.9%	–
Some other race alone, not Hispanic	0.4%±0.1 pts	0.3%	–
Born outside the United States	10.0%±0.4 pts	4.7%	+2.2 pts
Speak a language other than English at home (age 5+)	12.9%±0.4 pts	6.8%	–
Civilian veterans (age 18+)	6.2%±0.3 pts	6.5%	–
With a disability	14.4%±0.4 pts	17.9%	–
No health insurance coverage	5.7%±0.3 pts	6.0%	+0.5 pts
High school graduate or higher (age 25+)	91.3%±0.3 pts	88.9%	–
Bachelor's degree or higher (age 25+)	37.0%±0.6 pts	27.6%	+3.6 pts
Graduate or professional degree (age 25+)	15.5%±0.4 pts	11.3%	–
Moved from another state in the past year	2.5%±0.2 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 Jefferson County earn?

Half of Jefferson County's 331,554 households earn less than $69,866 a year (±$1,228), against $63,726 in Kentucky. In 2015-2019 it was $69,640 in 2024 dollars; the margins of error cannot tell the two periods apart. 14.3% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Jefferson County	Kentucky	Change since 2015-2019
Median household income	$69,866±$1,228	$63,726	no clear change
Mean household income	$97,866±$1,404	$87,807	–
Per capita income	$42,087±$591	$35,821	+$1,165
People below the poverty line	14.3%±0.7 pts	16.1%	no clear change
Children under 18 below the poverty line	19.8%±1.5 pts	20.3%	no clear change
Households receiving SNAP	11.0%±0.5 pts	13.2%	–
Households with a broadband subscription	90.9%±0.4 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 Jefferson County?

Owners occupy 62.1% of Jefferson County's occupied homes and renters 37.9%. The median owner-occupied home is valued at $248,400 by its owner (±$2,496). The median renter pays $1,149 a month including utilities, and 38.5% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Jefferson County	Kentucky	Change since 2015-2019
Median home value (owner-occupied)	$248,400±$2,496	$205,600	+$39,059
Median gross rent	$1,149±$13	$967	+$77
Renters paying 35% or more of income on rent	38.5%±1.3 pts	36.6%	+1.9 pts
Median monthly owner costs, with a mortgage	$1,593±$17	$1,433	–
Owner-occupied homes	62.1%±0.7 pts	68.3%	no clear change
Housing units	359,710±216	2,023,116	+14,449
Homeowner vacancy rate	0.9%±0.2 pts	0.9%	–
Rental vacancy rate	6.3%±0.7 pts	4.6%	–
Single-family detached homes	64.0%±0.6 pts	67.5%	–
Mobile homes	1.2%±0.2 pts	10.7%	–
Built 2020 or later	1.5%±0.1 pts	1.8%	–
Built 1939 or earlier	13.5%±0.4 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 Jefferson County building?

Builders took permits for 3,001 new housing units across Jefferson County in 2025 (1,126 single-family), 3.8 per 1,000 residents.

2019 3,435 units
2020 1,264 units
2021 1,917 units
2022 2,811 units
2023 3,713 units
2024 2,863 units
2025 3,001 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Jefferson County get to work?

72.4% of Jefferson County's workers drive alone and 14.2% work from home. The average trip to work takes 22.2 minutes. The unemployment rate in 2020-2024 averaged 5.2%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Jefferson County	Kentucky	Change since 2015-2019
In the labor force (age 16+)	65.5%±0.5 pts	59.7%	–
Unemployment rate	5.2%±0.4 pts	4.9%	no clear change
Drove alone to work	72.4%±0.6 pts	76.6%	–
Carpooled	8.4%±0.5 pts	9.3%	–
Public transportation	1.5%±0.2 pts	0.6%	–
Walked	1.7%±0.2 pts	2.0%	–
Worked from home	14.2%±0.5 pts	10.2%	+9.6 pts
Mean travel time to work	22.2 min±0.3	24.0 min	no clear change

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 Jefferson County's census tracts?

Jefferson County is divided into 216 census tracts. Among those with a reliable estimate, median household income runs from $9,038 (Tract 35.02) to $190,938 (Tract 103.22).

All 216 census tracts of Jefferson County, with their figures

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Jefferson County compare with Kentucky's other counties?

Jefferson County's rank among Kentucky's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	1st of 120
Growth 2020-2025	64th of 120
Residents per square mile	1st of 120
Median household income	13th of 120
Median home value	11th of 120
Median gross rent	5th of 120
Poverty rate	93rd of 120
Bachelor's degree or higher	6th of 120
Median age	105th of 120

Every county in Kentucky

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 Jefferson 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.