Jefferson County Demographics

Population - Employment - Households - Income / Financial - Housing - Education - Marital Status - Means of Transport to Work - Median Income by Zipcode

What is the population of Jefferson County?

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There are 799,486 residents in Jefferson County, with a median age of 39. Of this, 48.32% are males and 51.68% are females. US-born citizens make up 91.15% of the resident pool in Jefferson County, while non-US-born citizens account for 4.54%. Additionally, 4.32% of the population is represented by non-citizens.
A total of 670,411 people in Jefferson County currently live in the same house as they did last year.
Y-o-Y Change
Total Population 799,486 0.2%
Male Population 386,327 0.2%
Female Population 413,159 0.2%
Male population 48.32%
Female population 51.68%
Y-o-Y Change
Median Age 39 2.6%
Citizen US Born 728,714 -0.1%
Citizen not US Born 36,262 4.9%
Not Citizen 34,510 3.4%
Citizen US Born 91.15%
Citizen not US Born 4.54%
Not Citizen 4.32%
Y-o-Y Change
Moved from Abroad 2,922 13.5%
Moved from Same County 82,371 -2.8%
Moved from Same State 14,851 -3.5%
Moved from Different State 19,184 8.7%
Same House as Last Year 670,411 0.5%
Moved from Abroad 0.37%
Moved from Same County 10.43%
Moved from Same State 1.88%
Moved from Different State 2.43%
Same House as Last Year 84.89%

What are the employment statistics in Jefferson County?

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White-collar workers make up 75.47% of the working population in Jefferson County, while blue-collar employees account for 24.53%. There are also 32,176 entrepreneurs in Jefferson County (8.04% of the workforce); 294,096 workers employed in private companies (73.44%); and 40,838 people working in governmental institutions (10.2%).
Y-o-Y Change
White Collar 302,200 0.1%
Blue Collar 98,231 3.1%
White Collar 75.47%
Blue Collar 24.53%
Y-o-Y Change
Self Employees 32,176 4.4%
Private Companies 294,096 1.2%
Governmental Workers 40,838 -1.0%
Not for Profit Companies 33,321 -3.2%
Self Employees 8.04%
Private Companies 73.44%
Governmental Workers 10.2%
Not for Profit Companies 8.32%

How many households are there in Jefferson County?

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There are a total of 327,048 households in Jefferson County, each made up of around 2 members. Family establishments represent 59.65% of these Jefferson County households, while non-family units account for the remaining 40.35%. Additionally, 28.1% of households have children and 71.9% of households are without children.
Y-o-Y Change
Total Households 327,048 1.3%
Average People Per Household 2 -1.3%
Family Households 195,072 0.7%
Non-family Households 131,976 2.2%
Family Households 59.65%
Non-family Households 40.35%
Y-o-Y Change
Households with Children 91,888 -0.7%
Households without Children 235,160 2.1%
Households with Children 28.1%
Households without Children 71.9%

What are the median and average incomes in Jefferson County?

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The average annual household income in Jefferson County is $90,179, while the median household income sits at $57,382 per year. Residents aged 25 to 44 earn $61,778, while those between 45 and 64 years old have a median wage of $67,394. In contrast, people younger than 25 and those older than 65 earn less, at $38,042 and $43,696, respectively.
Y-o-Y Change
Average Household Income $90,179 4.9%
Median Household Income $57,382 7.6%
People below Poverty Level 103,091 -3.4%
People above Poverty Level 669,278 0.8%

How many homeowners and renters are there in Jefferson County?

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There are 358,331 housing units in Jefferson County, and the median year in which these properties were built is 1970. Of the 327,048 occupied housing units in Jefferson County, 62.35% are owner-occupied, while 37.65% 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 $173,400. In general, housing costs reach $1,019 per month in Jefferson County.
Y-o-Y Change
Housing Units 358,331 0.7%
Median Year Built 1970 0.1%
Built in 1939 or Earlier 50,751 -1.9%
Built between 1940 and 1949 23,649 -5.4%
Built between 1950 and 1959 54,156 0.6%
Built between 1960 and 1969 50,380 0.5%
Built between 1970 and 1979 52,626 0.5%
Built between 1980 and 1989 29,146 1.5%
Built between 1990 and 1999 42,619 -0.2%
Built between 2000 and 2009 37,501 -0.8%
Built in 2010 or Later 17,503 28.0%
Y-o-Y Change
Occupied Housing Units 327,048 1.3%
Owner Occupied 203,930 1.0%
Renter Occupied 123,118 1.8%
Owner Occupied 62.35%
Renter Occupied 37.65%
Y-o-Y Change
With Mortgage 132,602 0.0%
Without Mortgage 71,328 2.9%
Median Value with Mortgage $173,400 4.6%
Median Value without Mortgage $165,500 9.8%
Median Housing Costs per Month $1,019 8.9%
With Mortgage 65.02%
Without Mortgage 34.98%

What is the level of education in Jefferson County?

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Approximately 32.99% of the population in Jefferson County holds a high school degree (that's 212,087 residents), while 26.48% have attained a college certificate (170,201 locals) and 18.82% have a bachelor's degree (121,004 people).
Y-o-Y Change
No High School 16,252 -6.3%
Some High School 212,087 -0.7%
Some College 170,201 1.6%
Associate Degree 47,904 1.1%
Bachelor's Degree 121,004 2.9%
Graduate Degree 75,368 -0.5%
No High School 2.53%
Some High School 32.99%
Some College 26.48%
Associate Degree 7.45%
Bachelor's Degree 18.82%
Graduate Degree 11.72%

What is the marital status of Jefferson County residents?

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A total of 225,705 people in Jefferson County have never been married (which represents 33.98% of the total population), while 300,464 of them are wedded (45.24%). Separated and divorced residents are in smaller numbers, at 12,218 (1.84%) and 84,375 (12.7%), respectively.
Y-o-Y Change
Never Married 225,705 1.4%
Married 300,464 -0.1%
Separated 12,218 -2.7%
Widowed 41,403 2.7%
Divorced 84,375 -1.1%
Never Married 33.98%
Married 45.24%
Separated 1.84%
Widowed 6.23%
Divorced 12.7%

What are the most common means of transportation in Jefferson County?

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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 342,203 residents commute by car, 9,586 prefer going to work by bus or trolley bus and 7,176 by walking.
Y-o-Y Change
Car 342,203 -1.3%
Bus or TrolleyBus 9,586 -5.6%
Railroad 56 -9.7%
Ferryboat 46 -25.8%
Bicycle 1,122 -6.0%
Motorcycle 141 -34.4%
TaxiCab 451 24.2%
Walk 7,176 -1.8%

What is the median and average household income in Jefferson County by zipcode?

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ZipCode Population Number of Households Median Income Average Income
40023 5,067 1,872 $114,659.00 $132,931.00
40025 133 43 $250,001.00 $480,965.00
40041 422 300 $0.00 $68,737.00
40059 20,869 7,830 $151,111.00 $216,271.00
40118 9,268 3,650 $51,217.00 $60,141.00
40177 1,706 635 $43,174.00 $70,224.00
40202 7,796 3,104 $17,295.00 $48,874.00
40203 17,568 8,936 $25,129.00 $40,085.00
40204 14,395 7,590 $52,273.00 $79,675.00
40205 24,859 10,321 $83,703.00 $113,676.00

Methodology & Disclaimers


Demographic data shown in this section was gathered from the latest U.S. Census Bureau release, the 2020 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.

Zip codes included in this demographic data: 40023 40025 40041 40059 40118 40177 40202 40203 40204 40205 40206 40207 40208 40209 40210 40211 40212 40213 40214 40215 40216 40217 40218 40219 40220 40222 40223 40228 40229 40231 40241 40242 40243 40245 40258 40272 40280 40291 40299

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