There are 2,477 people per square mile in the Louisville/Jefferson County metro area, lower than the national population density of 6,321 Americans per square mile across all U.S. metro areas. Louisville/Jefferson County also has the second highest population density of any Kentucky metro area.

Population density can have a meaningful impact on home prices in an area. There tends to be less demand for available real estate in sparsely populated areas, and home prices are often lower as a result. In Louisville/Jefferson County, a typical home is worth $154,000, less than the national median home value of $194,500. Louisville/Jefferson County has the second highest median home value of any metro area in the state.

Dense metropolitan areas are often the most congested, with the average worker spending up to 38 minutes commuting to work in some cities. The average commute in Louisville/Jefferson County lasts 23.7 minutes, roughly similar to the average commute time for Kentucky as a whole of 23.3 minutes and the second highest of any metro area in the state.

One of the most effective deterrents to crime is other people. In more rural cities there is often fewer people and less streetlight to act as natural surveillance that can in some cases prevent petty crime. In the Louisville/Jefferson County metro area, there were 3,258 property crimes per 100,000 people in 2015, higher than the national property crime rate of 2,487 incidents per 100,000 Americans and higher than the statewide rate of 2,178 property crimes reported per 100,000 residents. Louisville/Jefferson County has the second highest property crime rate and highest violent crime rate in Kentucky.

Rank Metro Area Population Density
10 San Diego-Carlsbad-San Marcos, CA 6,920.5
9 Miami-Fort Lauderdale-Pompano Beach, FL 7,395.3
8 Philadelphia-Camden-Wilmington, PA-NJ-DE-MD 7,773.2
7 Boston-Cambridge-Quincy, MA-NH 7,980.1
6 San Jose-Sunnyvale-Santa Clara, CA 8,417.7
5 Chicago-Joliet-Naperville, IL-IN-WI 8,613.4
4 Honolulu, HI 11,548.2
3 Los Angeles-Long Beach-Santa Ana, CA 12,113.9
2 San Francisco-Oakland-Fremont, CA 12,144.9
1 New York-Northern New Jersey-Long Island, NY-NJ-PA 31,251.4