Jefferson County, KY Demographics
What is the population of Jefferson County?
There are 807,228 residents in Jefferson County, with a median age of 39. Of this, 48.69% are males and 51.31% are females. US-born citizens make up 90.44% of the resident pool in Jefferson County, while non-US-born citizens account for 4.84%. Additionally, 4.72% of the population is represented by non-citizens.
A total of 684,632 people in Jefferson County currently live in the same house as they did last year.
| Y-o-Y Change | ||
| Total Population | 807,228 | -0.2% |
| Male Population | 393,012 | -0.1% |
| Female Population | 414,216 | -0.4% |
Male Population 48.69%
Female Population 51.31%
| Y-o-Y Change | ||
| Median Age | 39 | 0.0% |
| Citizen U.S. Born | 730,048 | -0.4% |
| Citizen not U.S. Born | 39,096 | 1.2% |
| Not Citizen | 38,084 | 2.1% |
Citizen U.S. Born 90.44%
Citizen not U.S. Born 4.84%
Not Citizen 4.72%
| Y-o-Y Change | ||
| Moved from Abroad | 3,251 | -2.7% |
| Moved from Same County | 75,202 | -4.7% |
| Moved from Same State | 13,288 | -5.7% |
| Moved from Different State | 20,762 | 3.3% |
| Same House as Last Year | 684,632 | 0.2% |
Moved from Abroad 0.41%
Moved from Same County 9.43%
Moved from Same State 1.67%
Moved from Different State 2.6%
Same House as Last Year 85.89%
What are the employment statistics in Jefferson County?
White-collar workers make up 75.3% of the working population in Jefferson County, while blue-collar employees account for 24.7%. There are also 32,697 entrepreneurs in Jefferson County (8.08% of the workforce); 291,650 workers employed in private companies (72.03%); and 43,548 people working in governmental institutions (10.75%).
| Y-o-Y Change | ||
| White Collar | 304,886 | 0.3% |
| Blue Collar | 100,026 | -0.7% |
White Collar 75.3%
Blue Collar 24.7%
| Y-o-Y Change | ||
| Self Employees | 32,697 | 0.5% |
| Private Companies | 291,650 | -1.1% |
| Governmental Workers | 43,548 | 3.5% |
| Not for Profit Companies | 37,017 | 5.0% |
Self Employees 8.08%
Private Companies 72.03%
Governmental Workers 10.75%
Not for Profit Companies 9.14%
How many households are there in Jefferson County?
There are a total of 337,023 households in Jefferson County, each made up of around 2 members. Family establishments represent 59.2% of these Jefferson County households, while non-family units account for the remaining 40.8%. Additionally, 27.18% of households have children and 72.82% of households are without children.
| Y-o-Y Change | ||
| Total households | 337,023 | 1.2% |
| Average People per Household | 2 | N/A |
| Family Households | 199,516 | 0.2% |
| Non-Family Households | 137,507 | 2.7% |
Family Households 59.2%
Non-Family Households 40.8%
| Y-o-Y Change | ||
| Households with Children | 91,592 | -2.0% |
| Households without Children | 245,431 | 2.5% |
Households with Children 27.18%
Households without Children 72.82%
What are the median and average incomes in Jefferson County?
The average annual household income in Jefferson County is $106,177, while the median household income sits at $67,349 per year. Residents aged 25 to 44 earn $75,796, while those between 45 and 64 years old have a median wage of $80,331. In contrast, people younger than 25 and those older than 65 earn less, at $41,835 and $52,144, respectively.
| Y-o-Y Change | ||
| Average Household Income | $106,177 | 9.8% |
| Median Household Income | $67,349 | 10.2% |
| People below Poverty Level | 2 | N/A |
| People above Poverty Level | 674,108 | -0.6% |
How many homeowners and renters are there in Jefferson County?
There are 366,363 housing units in Jefferson County, and the median year in which these properties were built is 1969. Of the 337,023 occupied housing units in Jefferson County, 62.49% are owner-occupied, while 37.51% have renters living in them.
Meanwhile, properties bought with mortgages account for 65.02% of the units, and the median value of a home with a mortgage is $213,500. In general, housing costs reach $1,111 per month in Jefferson County.
| Y-o-Y Change | ||
| Housing Units | 366,363 | 0.6% |
| Median Year Built | 1969 | 0.0% |
| Built in 1939 or Earlier | 50,006 | -0.9% |
| Built between 1940 and 1949 | 24,726 | -1.2% |
| Built between 1950 and 1959 | 54,196 | -0.0% |
| Built between 1960 and 1969 | 49,373 | -1.4% |
| Built between 1970 and 1979 | 54,086 | 1.5% |
| Built between 1980 and 1989 | 28,706 | -0.6% |
| Built between 1990 and 1999 | 40,562 | -2.8% |
| Built between 2000 and 2009 | 38,959 | 2.2% |
| Built between 2010 and 2019 | 24,229 | 11.1% |
| Built in 2020 or Later | 1,520 | 144.0% |
| Y-o-Y Change | ||
| Occupied Housing Units | 337,023 | 1.2% |
| Owner Occupied | 210,595 | 1.6% |
| Renter Occupied | $126,428 | 0.6% |
Owner Occupied 62.49%
Renter Occupied 37.51%
| Y-o-Y Change | ||
| With Mortgage | 136,923 | 0.8% |
| Without Mortgage | 73,672 | 3.0% |
| Median Value with Mortgage | $213,500 | 16.0% |
| Median Value without Mortgage | $210,700 | 17.2% |
| Median Housing Costs per Month | $1,111 | 8.1% |
With Mortgage 65.02%
Without Mortgage 34.98%
What is the level of education in Jefferson County?
Approximately 32.36% of the population in Jefferson County holds a high school degree (that's 211,585 residents), while 25.22% have attained a college certificate (164,882 locals) and 19.63% have a bachelor's degree (128,358 people).
| Y-o-Y Change | ||
| No High School | 16,436 | -0.2% |
| Some High School | 211,585 | -1.0% |
| Some College | 164,882 | -1.6% |
| Associate Degree | 49,291 | 2.2% |
| Bachelor's Degree | 128,358 | 2.6% |
| Graduate Degree | 83,219 | 4.2% |
No High School 2.51%
Some High School 32.36%
Some College 25.22%
Associate Degree 7.54%
Bachelor's Degree 19.63%
Graduate Degree 12.73%
What is the marital status of Jefferson County residents?
A total of 233,290 people in Jefferson County have never been married (which represents 34.65% of the total population), while 302,859 of them are wedded (44.98%). Separated and divorced residents are in smaller numbers, at 12,832 (1.91%) and 83,298 (12.37%), respectively.
| Y-o-Y Change | ||
| Never Married | 233,290 | 1.5% |
| Married | 302,859 | -0.6% |
| Separated | 12,832 | -0.1% |
| Widowed | 41,021 | 0.3% |
| Divorced | 83,298 | 83,298.0% |
Never Married 34.65%
Married 44.98%
Separated 1.91%
Widowed 6.09%
Divorced 12.37%
What are the most common means of transportation in Jefferson County?
The top three means of transportation people in Jefferson County use to get to work are: car, bus or trolley bus and walking. A total of 333,421 residents commute by car, 7,600 prefer going to work by bus or trolley bus and 6,802 by walking
| Y-o-Y Change | ||
| Car | 333,421 | -1.6% |
| Bus or TrolleyBus | 7,600 | -14.1% |
| Railroad | 17 | -74.6% |
| Bicycle | 996 | -2.1% |
| Motorcycle | 160 | 12.7% |
| TaxiCab | 628 | 45.4% |
| Walk | 6,802 | -0.7% |
What is the median and average household income in Jefferson County by zipcode?
| ZipCode | Population | Number of Households | Median Income | Average Income |
|---|---|---|---|---|
| 40023 | 6,293 | 2,263 | $137,569.00 | $176,033.00 |
| 40025 | 560 | 220 | $250,001.00 | $597,315.00 |
| 40041 | 495 | 297 | $0.00 | $94,715.00 |
| 40059 | 20,769 | 8,082 | $167,193.00 | $243,953.00 |
| 40118 | 10,141 | 4,079 | $55,036.00 | $67,441.00 |
| 40177 | 1,510 | 667 | $42,284.00 | $75,696.00 |
| 40202 | 7,340 | 3,147 | $26,643.00 | $56,871.00 |
| 40203 | 17,964 | 9,162 | $30,739.00 | $48,118.00 |
| 40204 | 14,362 | 7,678 | $65,457.00 | $97,965.00 |
| 40205 | 24,890 | 10,529 | $94,253.00 | $125,520.00 |
Methodology & Disclaimers
Demographic data shown in this section was gathered from the latest U.S. Census Bureau release, the 2022 American Community Survey. The information is updated yearly, as soon as new data is made available by the US Census Bureau.
No representation, guarantee or warranty is made as to the accuracy or completeness of information modified or aggregated for specific neighborhoods and/or zip codes.