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 732,365 residents in Jefferson County, with a median age of 39.7. Of this, 49.68% are males and 50.32% are females. US-born citizens make up 91.8% of the resident pool in Jefferson County, while non-US-born citizens account for 4.96%. Additionally, 3.24% of the population is represented by non-citizens.
A total of 608,256 people in Jefferson County currently live in the same house as they did last year.
Y-o-Y Change
Total Population 732,365 1.0%
Male Population 363,828 1.0%
Female Population 368,537 0.9%
Male Population 49.68 %
Female Population 50.32 %
Y-o-Y Change
Median Age 39.7 -0.3%
Citizen US Born 672,309 1.1%
Citizen not US Born 36,322 5.4%
Not Citizen 23,734 -7.3%
Citizen US Born 91.8 %
Citizen not US Born 4.96 %
Not Citizen 3.24 %
Y-o-Y Change
Moved from Abroad 3,277 4.9%
Moved from Same Country 44,085 1.3%
Moved from Same State 44,503 1.5%
Moved from Different State 24,366 1.1%
Same House as Last Year 608,256 0.9%
Moved from Abroad 0.45 %
Moved from Same Country 6.08 %
Moved from Same State 6.14 %
Moved from Different State 3.36 %
Same House as Last Year 83.96 %

What are the employment statistics in Jefferson County?

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White-collar workers make up 84.12% of the working population in Jefferson County, while blue-collar employees account for 15.88%. There are also 47,285 entrepreneurs in Jefferson County (11.63% of the workforce); 276,961 workers employed in private companies (68.13%); and 52,372 people working in governmental institutions (12.88%).
Y-o-Y Change
White Collar 341,976 1.8%
Blue Collar 64,563 -0.1%
White Collar 84.12 %
Blue Collar 15.88 %
Y-o-Y Change
Self Employees 47,285 -0.3%
Private Companies 276,961 2.0%
Governmental Workers 52,372 0.5%
Not for Profit Companies 29,921 1.3%
Self Employees 11.63 %
Private Companies 68.13 %
Governmental Workers 12.88 %
Not for Profit Companies 7.36 %

How many households are there in Jefferson County?

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There are a total of 298,034 households in Jefferson County, each made up of around 2 members. Family establishments represent 63.55% of these Jefferson County households, while non-family units account for the remaining 36.45%. Additionally, 27.49% of households have children and 72.51% of households are without children.
Y-o-Y Change
Total Households 298,034 1.0%
Average People Per Household 2 -1.2%
Family Households 189,405 1.1%
Non-family Households 108,629 1.0%
Family Households 63.55 %
Non-family Households 36.45 %
Y-o-Y Change
Households with Children 81,918 0.3%
Households without Children 216,116 1.3%
Households with Children 27.49 %
Households without Children 72.51 %

What are the median and average incomes in Jefferson County?

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The average annual household income in Jefferson County is $113,626, while the median household income sits at $89,904 per year. Residents aged 25 to 44 earn $94,622, while those between 45 and 64 years old have a median wage of $100,648. In contrast, people younger than 25 and those older than 65 earn less, at $45,320 and $61,900, respectively.
Y-o-Y Change
Average Household Income $113,626 5.7%
Median Household Income $89,904 4.7%
People below Poverty Level 50,769 -2.2%
People above Poverty Level 663,831 1.2%

How many homeowners and renters are there in Jefferson County?

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There are 309,642 housing units in Jefferson County, and the median year in which these properties were built is 1978. Of the 298,034 occupied housing units in Jefferson County, 69.39% are owner-occupied, while 30.61% have renters living in them.
Meanwhile, properties bought with mortgages account for 72.45% of the units, and the median value of a home with a mortgage is $387,950. In general, housing costs reach $1,534 per month in Jefferson County.
Y-o-Y Change
Housing Units 309,642 1.1%
Median Year Built 1978 0.0%
Built in 1939 or Earlier 10,803 1.0%
Built between 1940 and 1949 6,324 -3.3%
Built between 1950 and 1959 26,579 -1.6%
Built between 1960 and 1969 38,155 -0.7%
Built between 1970 and 1979 82,413 -0.7%
Built between 1980 and 1989 49,384 3.4%
Built between 1990 and 1999 48,381 0.8%
Built between 2000 and 2009 31,601 -1.9%
Built in 2010 or Later 16,002 25.7%
Y-o-Y Change
Occupied Housing Units 298,034 1.0%
Owner Occupied 206,803 1.3%
Renter Occupied 91,231 0.4%
Owner Occupied 69.39 %
Renter Occupied 30.61 %
Y-o-Y Change
With Mortgage 149,824 0.4%
Without Mortgage 56,979 3.9%
Median Value with Mortgage $387,950 10.5%
Median Value without Mortgage $392,450 7.8%
Median Housing Costs per Month $1,534 5.1%
With Mortgage 72.45 %
Without Mortgage 27.55 %

What is the level of education in Jefferson County?

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Approximately 29.06% of the population in Jefferson County holds a high school degree (that's 150,181 residents), while 29.34% have attained a college certificate (151,587 locals) and 31.19% have a bachelor's degree (161,167 people).
Y-o-Y Change
No High School 10,719 -1.2%
Some High School 150,181 0.2%
Some College 151,587 -0.8%
Associate Degree 43,079 0.9%
Bachelor's Degree 161,167 4.4%
No High School 2.07 %
Some High School 29.06 %
Some College 29.34 %
Associate Degree 8.34 %
Bachelor's Degree 31.19 %
Graduate Degree 0 %

What is the marital status of Jefferson County residents?

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A total of 182,004 people in Jefferson County have never been married (which represents 29.38% of the total population), while 323,882 of them are wedded (52.28%). Separated and divorced residents are in smaller numbers, at 7,514 (1.21%) and 76,657 (12.37%), respectively.
Y-o-Y Change
Never Married 182,004 2.4%
Married 323,882 0.5%
Separated 7,514 1.1%
Widowed 29,450 0.9%
Divorced 76,657 2.7%
Never Married 29.38 %
Married 52.28 %
Separated 1.21 %
Widowed 4.75 %
Divorced 12.37 %

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 338,934 residents commute by car, 10,303 prefer going to work by bus or trolley bus and 5,603 by walking.
Y-o-Y Change
Car 338,934 0.7%
Bus or TrolleyBus 10,303 1.3%
Railroad 1,475 11.2%
Bicycle 2,027 9.4%
Motorcycle 540 -9.6%
TaxiCab 240 4.4%
Walk 5,603 0.7%

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
80002 18,877 8,346 $63,745.00 $79,752.00
80003 36,480 14,301 $66,114.00 $83,448.00
80004 36,595 14,863 $78,586.00 $95,676.00
80005 28,737 11,078 $107,300.00 $124,692.00
80007 13,783 4,849 $147,421.00 $172,236.00
80020 50,491 19,767 $94,439.00 $117,708.00
80021 34,097 14,971 $75,879.00 $95,424.00
80031 35,741 13,441 $82,271.00 $102,204.00
80033 25,755 11,702 $55,526.00 $75,396.00
80123 47,821 19,755 $83,074.00 $112,284.00

Methodology & Disclaimers


Demographic data shown in this section was gathered from the latest U.S. Census Bureau release, the 2019 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: 80002 80003 80004 80005 80007 80020 80021 80031 80033 80123 80127 80128 80135 80212 80214 80215 80226 80227 80228 80232 80235 80401 80403 80419 80425 80433 80439 80453 80454 80457 80465 80470

Recently added listings in Jefferson County

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$540,000 USD
  • 3 Beds
  • 2 Baths
$450,000 USD
  • 2 Beds
  • 3 Baths
$525,000 USD
  • 3 Beds
  • 2 Baths
$650,000 USD
  • 5 Beds
  • 3 Baths
$900,000 USD
  • 4 Beds
  • 3 Baths
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