What is the current population of Louisville/Jefferson County?

Based on the latest 2020 data from the US census, the current population of Louisville/Jefferson County is 617,638. Louisville/Jefferson County, Kentucky is the 29th largest city in the US.

What was the peak population of Louisville/Jefferson County?

The current population of Louisville/Jefferson County (617,638) is it's peak population.

How quickly is Louisville/Jefferson County growing?

Louisville/Jefferson County has grown 11.4% since the 2000. Louisville/Jefferson County, Kentucky's growth is below average. 65% of similarly sized cities are growing faster since 2000.

Is Louisville/Jefferson County the biggest city in Kentucky?

Yes, Louisville/Jefferson County is the biggest city in the state of Kentucky based on population. The second largest city, Lexington-Fayette, is 52% the size of Louisville/Jefferson County.

What county is Louisville/Jefferson County, Kentucky in?

Louisville/Jefferson County is located entirely in Jefferson County.

What is the population density of Louisville/Jefferson County, Kentucky?

Louisville/Jefferson County has a population density of 1,836.6 people per square mile.

What is the size of Louisville/Jefferson County, Kentucky in square miles?

Louisville/Jefferson County has an area of 325.2 square miles. Louisville/Jefferson County is the 19th largest city, by area, in the United States. Louisville/Jefferson County also is the largest city by area in Kentucky.

Population History

Year Population Rank in US
2019 617,638 29
2018 620,118 29
2017 621,349 29
2016 616,261 29
2015 615,366 30
2014 612,780 30
2013 609,893 28
2012 605,110 27
2011 601,532 27
2010 597,337 27
2009 566,503 29
2008 563,119 28
2007 562,632 28
2006 559,709 28
2005 559,855 28
2004 558,389 28
2003 557,113 28
2002 555,533 28
2001 554,881 27
2000 553,960 26
1980 298,451 49
1970 361,472 39
1960 390,639 31
1950 369,129 30
1940 319,077 25
1930 307,745 24
1920 234,891 29
1910 223,928 24
1900 204,731 18
1890 161,129 20
1880 123,758 16
1870 100,753 14
1860 68,033 12
1850 43,194 14
1840 21,210 16

Similarly Sized Cities In US

US Rank Name Population Growth
2000-2019
19 Denver, Colorado 727,211 30.7%
20 Washington, District of Columbia 705,749 23.4%
21 Boston, Massachusetts 692,600 17.3%
22 El Paso, Texas 681,728 20.7%
23 Nashville-Davidson, Tennessee 670,820 22.8%
24 Detroit, Michigan 670,031 -29.1%
25 Oklahoma City, Oklahoma 655,057 29.0%
26 Portland, Oregon 654,741 23.5%
27 Las Vegas, Nevada 651,319 34.4%
28 Memphis, Tennessee 651,073 -5.6%
29 Louisville/Jefferson County, Kentucky 617,638 11.4%
30 Baltimore, Maryland 593,490 -8.5%
31 Milwaukee, Wisconsin 590,157 -1.1%
32 Albuquerque, New Mexico 560,513 24.4%
33 Tucson, Arizona 548,073 11.9%
34 Fresno, California 531,576 23.4%
35 Mesa, Arizona 518,012 28.5%
36 Sacramento, California 513,624 25.5%
37 Atlanta, Georgia 506,811 20.2%
38 Kansas City, Missouri 495,327 11.9%
39 Colorado Springs, Colorado 478,221 32.0%

Similarly Sized Cities In Kentucky

US Rank Name Population Growth
2000-2019
29 Louisville/Jefferson County 617,638 11.4%
60 Lexington-Fayette 323,152 23.7%

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