Jefferson County, Kentucky's estimated 2024 population is 771,193 with a growth rate of -0.12% in the past year according to the most recent United States census data. Jefferson County, Kentucky is the largest county in Kentucky. The 2010 population was 742,096 and has seen a growth of 3.92% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 766,438 | -951 | -0.12% |
| 2028 | 767,389 | -951 | -0.12% |
| 2027 | 768,340 | -951 | -0.12% |
| 2026 | 769,291 | -951 | -0.12% |
| 2025 | 770,242 | -951 | -0.12% |
| 2024 | 771,193 | -951 | -0.12% |
| 2023 | 772,144 | -951 | -0.12% |
| 2022 | 773,095 | -4,156 | -0.53% |
| 2021 | 777,251 | -5,594 | -0.71% |
| 2020 | 782,845 | 15,060 | 1.96% |
| 2019 | 767,785 | -921 | -0.12% |
| 2018 | 768,706 | -1,677 | -0.22% |
| 2017 | 770,383 | 2,613 | 0.34% |
| 2016 | 767,770 | 2,448 | 0.32% |
| 2015 | 765,322 | 3,284 | 0.43% |
| 2014 | 762,038 | 2,611 | 0.34% |
| 2013 | 759,427 | 7,625 | 1.01% |
| 2012 | 751,802 | 5,344 | 0.72% |
| 2011 | 746,458 | 4,362 | 0.59% |
| 2010 | 742,096 | 0 | 0% |
| 1990 | 664,937 | -20,067 | -2.93% |
| 1980 | 685,004 | -10,051 | -1.45% |
| 1970 | 695,055 | 84,108 | 13.77% |
| 1960 | 610,947 | 126,332 | 26.07% |
| 1950 | 484,615 | 99,223 | 25.75% |
| 1940 | 385,392 | 30,042 | 8.45% |
| 1930 | 355,350 | 68,981 | 24.09% |
| 1920 | 286,369 | 23,449 | 8.92% |
| 1910 | 262,920 | 30,371 | 13.06% |
| 1900 | 232,549 | 43,951 | 23.3% |
| 1890 | 188,598 | 42,588 | 29.17% |
| 1880 | 146,010 | 27,057 | 22.75% |
| 1870 | 118,953 | 29,549 | 33.05% |
| 1860 | 89,404 | 29,573 | 49.43% |
| 1850 | 59,831 | 23,485 | 64.62% |
| 1840 | 36,346 | 12,367 | 51.57% |
| 1830 | 23,979 | 3,211 | 15.46% |
| 1820 | 20,768 | 7,369 | 55% |
| 1810 | 13,399 | 4,645 | 53.06% |
| 1800 | 8,754 | 3,989 | 83.71% |
| 1790 | 4,765 | -761,673 | -99.38% |
White
Black or African American
Two or more races
Asian
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 327,211 | 2.34 | 61.8 | 38.2 |
| Non Family | 135,554 | 1.23 | 48.7 | 51.3 |
| Married | 129,446 | 3.07 | 82.8 | 17.2 |
| Female | 45,994 | 3.24 | 43.4 | 56.6 |
| Male | 16,217 | 3.13 | 54.9 | 45.1 |
3.03
Average Family Size
2.34
Average Household Size
61.8%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among white people with a rate of 93.42%.
The highest rate of bachelors degrees is among asian people with a rate of 59.16%.
All
Male
Female
$46,131
Average Earnings
$52,695
Average Male
$40,559
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
89.38% of Jefferson County, Kentucky residents speak only English, while 10.62% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.88% of the population.
rate
14.13%
Overall Poverty Rate
12.73%
Male Poverty Rate
15.45%
Female Poverty Rate
The race most likely to be in poverty in Jefferson County, Kentucky is Islander, with 41.44% below the poverty level.
The race least likely to be in poverty in Jefferson County, Kentucky is White, with 9.78% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.55%. Among those working part-time, it was 17.23%, and for those that did not work, the poverty rate was 23.09%.
Married
Widowed
Divorced
Separated
NeverMarried
43.4%
Overall Marriage Rate
45.6%
Male Marriage Rate
41.3%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
7.3%
Veteran Poverty Rate
30.96%
Veteran Disability Rate
LaborForceParticipation
65.9%
Labor Force Participation
62.4%
Employment Rate
5.1%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
66.18%
Born in Jefferson County, Kentucky
91.38%
Native Born
8.62%
Foreign Born
4.78%
Non Citizen
3.84%
Naturalized
91.38% of Jefferson County, Kentucky residents were born in the United States, with 66.18% having been born in Kentucky. 4.78% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.