District of Columbia County, DC Demographics

What is the population of District of Columbia County?

There are 670,965 residents in District of Columbia County, with a median age of 34. Of this, 47.66% are males and 52.34% are females. US-born citizens make up 84.52% of the resident pool in District of Columbia County, while non-US-born citizens account for 8.77%. Additionally, 6.71% of the population is represented by non-citizens. A total of 533,982 people in District of Columbia County currently live in the same house as they did last year.
Y-o-Y Change
Total Population 670,965 0.2%
Male Population 319,764 -0.3%
Female Population 351,201 0.6%
Male Population 47.66%
Female Population 52.34%
Y-o-Y Change
Median Age 34 0.0%
Citizen U.S. Born 567,090 0.3%
Citizen not U.S. Born 58,864 0.8%
Not Citizen 45,011 -2.1%
Citizen U.S. Born 84.52%
Citizen not U.S. Born 8.77%
Not Citizen 6.71%
Y-o-Y Change
Moved from Abroad 9,853 7.0%
Moved from Same County 65,296 -1.6%
Moved from Different State 52,995 3.5%
Same House as Last Year 533,982 -0.1%
Moved from Abroad 1.49%
Moved from Same County 9.86%
Moved from Different State 8%
Same House as Last Year 80.65%

What are the employment statistics in District of Columbia County?

White-collar workers make up 94.74% of the working population in District of Columbia County, while blue-collar employees account for 5.26%. There are also 55,394 entrepreneurs in District of Columbia County (7.46% of the workforce); 339,422 workers employed in private companies (45.73%); and 195,304 people working in governmental institutions (26.31%).
Y-o-Y Change
White Collar 703,168 101.8%
Blue Collar 39,046 87.7%
White Collar 94.74%
Blue Collar 5.26%
Y-o-Y Change
Self Employees 55,394 93.3%
Private Companies 339,422 94.7%
Governmental Workers 195,304 108.8%
Not for Profit Companies 152,094 109.3%
Self Employees 7.46%
Private Companies 45.73%
Governmental Workers 26.31%
Not for Profit Companies 20.49%

How many households are there in District of Columbia County?

There are a total of 321,556 households in District of Columbia County, each made up of around 2 members. Family establishments represent 41.35% of these District of Columbia County households, while non-family units account for the remaining 58.65%. Additionally, 19.97% of households have children and 80.03% of households are without children.
Y-o-Y Change
Total households 321,556 1.8%
Average People per Household 2 -28.3%
Family Households 132,972 1.9%
Non-Family Households 188,584 1.8%
Family Households 41.35%
Non-Family Households 58.65%
Y-o-Y Change
Households with Children 64,200 3.6%
Households without Children 257,356 1.4%
Households with Children 19.97%
Households without Children 80.03%

What are the median and average incomes in District of Columbia County?

The average annual household income in District of Columbia County is $193,966, while the median household income sits at $111,110 per year. Residents aged 25 to 44 earn $132,045, while those between 45 and 64 years old have a median wage of $134,610. In contrast, people younger than 25 and those older than 65 earn less, at $51,958 and $71,282, respectively.
Y-o-Y Change
Average Household Income $193,966 4.0%
Median Household Income $111,110 3.8%
People below Poverty Level 92,440 -4.2%
People above Poverty Level 546,916 0.4%

How many homeowners and renters are there in District of Columbia County?

There are 356,068 housing units in District of Columbia County, and the median year in which these properties were built is 1956. Of the 321,556 occupied housing units in District of Columbia County, 41.14% are owner-occupied, while 58.86% have renters living in them. Meanwhile, properties bought with mortgages account for 76.16% of the units, and the median value of a home with a mortgage is $725,800. In general, housing costs reach $2,278 per month in District of Columbia County.
Y-o-Y Change
Housing Units 356,068 1.6%
Median Year Built 1956 0.1%
Built in 1939 or Earlier 113,015 0.0%
Built between 1940 and 1949 36,715 -4.9%
Built between 1950 and 1959 41,420 -1.8%
Built between 1960 and 1969 35,264 -2.6%
Built between 1970 and 1979 23,881 3.6%
Built between 1980 and 1989 16,896 6.0%
Built between 1990 and 1999 10,776 -4.9%
Built between 2000 and 2009 27,514 1.1%
Built between 2010 and 2019 44,566 10.5%
Built in 2020 or Later 6,021 140.9%
Y-o-Y Change
Occupied Housing Units 321,556 1.8%
Owner Occupied 132,288 1.1%
Renter Occupied 189,268 2.4%
Owner Occupied 41.14%
Renter Occupied 58.86%
Y-o-Y Change
With Mortgage 100,754 1.7%
Without Mortgage 31,534 -0.7%
Median Value with Mortgage $725,800 0.3%
Median Value without Mortgage $739,300 0.9%
Median Housing Costs per Month $2,278 2.9%
With Mortgage 76.16%
Without Mortgage 23.84%

What is the level of education in District of Columbia County?

Approximately 20.01% of the population in District of Columbia County holds a high school degree (that's 109,104 residents), while 14.73% have attained a college certificate (80,332 locals) and 26.15% have a bachelor's degree (142,592 people).
Y-o-Y Change
No High School 14,742 -2.6%
Some High School 109,104 -4.1%
Some College 80,332 10.3%
Associate Degree 15,064 -2.8%
Bachelor's Degree 142,592 1.0%
Graduate Degree 183,470 1.6%
No High School 2.7%
Some High School 20.01%
Some College 14.73%
Associate Degree 2.76%
Bachelor's Degree 26.15%
Graduate Degree 33.65%

What is the marital status of District of Columbia County residents?

A total of 309,173 people in District of Columbia County have never been married (which represents 54.31% of the total population), while 184,993 of them are wedded (32.5%). Separated and divorced residents are in smaller numbers, at 7,885 (1.39%) and 48,049 (8.44%), respectively.
Y-o-Y Change
Never Married 309,173 -0.1%
Married 184,993 0.1%
Separated 7,885 -9.6%
Widowed 19,160 -1.4%
Divorced 48,049 0.7%
Never Married 54.31%
Married 32.5%
Separated 1.39%
Widowed 3.37%
Divorced 8.44%

What are the most common means of transportation in District of Columbia County?

The top three means of transportation people in District of Columbia County use to get to work are: car, walking and bus or trolley bus. A total of 119,663 residents commute by car, 36,912 prefer going to work by walking and 29,709 by bus or trolley bus
Y-o-Y Change
Car 119,663 -4.5%
Bus or TrolleyBus 29,709 -10.6%
Railroad 948 27.2%
Ferryboat 8 -81.4%
Bicycle 12,097 -0.6%
Motorcycle 491 3.1%
TaxiCab 2,561 -14.2%
Walk 36,912 -1.8%

What is the median and average household income in District of Columbia County by zipcode?

ZipCode Population Number of Households Median Income Average Income
20001 44,022 23,831 $138,730 $172,036
20002 70,580 34,558 $114,482 $157,893
20003 36,194 18,835 $159,604 $197,448
20004 1,756 1,251 $161,359 $224,938
20005 12,960 8,691 $111,960 $163,429
20006 1,335 762 $36,019 $61,389
20007 23,696 11,849 $142,783 $230,195
20008 28,743 16,701 $123,653 $192,632
20009 49,997 29,175 $140,555 $191,222
20010 31,591 14,463 $110,260 $163,965

Methodology & Disclaimers

Demographic data shown in this section was gathered from the latest U.S. Census Bureau release, the 2023 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.