Kentucky · Census place 2140222

Jeffersontown, Kentucky

Jeffersontown is a city in Jefferson County, Kentucky with an estimated 29,388 residents on July 1, 2024. It is the 13th largest of 206 incorporated places of 1,000+ people in the state.

Population 2024
29,388
#13 of 206 in Kentucky
Change since 2020
+0.4%
+117 people
Land area
10.7 sq mi
+ 0.04 sq mi water
Density
2,757 / sq mi
State median 1,588
Orange pin: Jeffersontown. Shaded: its county. Dark pin: Frankfort.

Jeffersontown population, 2020 to 2024

Jeffersontown added 117 residents from July 2020 to July 2024, a change of +0.4%. In the latest year it moved by +176. Among 79 Kentucky places of 5,000 or more, that growth ranks 57th; the median place changed by +2.0%. The median place of 5,000+ in Kentucky has 10,541 people, so Jeffersontown is 2.8 times that size.

29.3k202029.1k202129.1k202229.2k202329.4k2024
July 1 estimates. The April 2020 estimates base was 29,322. The axis starts above zero so yearly changes are visible.

Jeffersontown covers 10.66 square miles of land and 0.04 of water, for 2,757 people per square mile of land. The median Kentucky place of 5,000+ has 1,588, so Jeffersontown is denser than the typical town.

What county Jeffersontown is in

All of Jeffersontown's residents live in Jefferson County, which had 793,881 residents in 2024. Jeffersontown holds 3.7% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Jeffersontown

3 ZIP Code Tabulation Areas (ZCTAs) overlap Jeffersontown by at least 10% of the ZCTA's or the city's land: 40220, 40223, 40299. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Jeffersontown is

The Census internal point of Jeffersontown is at 38.205500, -85.569700. Frankfort, the capital, is 37.7 miles E in a straight line. The nearest larger place is Louisville/Jefferson County, KY (640,796 people), 5.0 miles away.

Internal point

Decimal
38.205500, -85.569700
DMS
38°12'19.80"N 85°34'10.92"W
UTM
16N 625228.4E 4229582.9N
Geohash
dng1kg451
Plus code
86CP6C4J+64

Daylight in Jeffersontown

At 38.21° N, Jeffersontown gets about 14 h 50 min of daylight around the June solstice and 9 h 30 min around the December solstice, a swing of 5 h 19 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Jeffersontown

The eight nearest incorporated places of 1,000+ in Kentucky, measured between internal points. The closest is Hurstbourne Acres, 1.5 miles away, with 2,005 people.

Questions people ask

What is the population of Jeffersontown, KY?

29,388 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 117 (0.4%) from 29,271 in July 2020.

What county is Jeffersontown in?

Jefferson County. All of its residents live in that county.

What ZIP codes cover Jeffersontown?

3 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 40220, 40223, 40299.

How far is Jeffersontown from Frankfort?

37.7 miles (60.7 km) in a straight line, heading E from Jeffersontown.

What is the nearest larger city to Jeffersontown?

Louisville/Jefferson County, KY, with 640,796 residents, 5.0 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.