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District of Columbia County, District of Columbia

QuickFacts
Population:581,530
Pop. Change:2%
State: District of Columbia
Metro Area:Washington-Arlington-Alexandria
County:District of Columbia County
City:Washington
Zip Code:20011, 20039, ... 273 more

County Overview

As of 2007, District of Columbia County's population is 581,530 people. Since 2000, it has had a population growth of 1.66 percent.

The median home cost in District of Columbia County is $862,400. Home appreciation the last year has been -5.12 percent.

Compared to the rest of the country, District of Columbia County's cost of living is 65.63% Higher than the U.S. average.

District of Columbia County public schools spend $8,111 per student. The average school expenditure in the U.S. is $6,058. There are about 14 students per teacher in District of Columbia County.

The unemployment rate in District of Columbia County is 5.40 percent(U.S. avg. is 4.60%). Recent job growth is Positive. District of Columbia County jobs have Increased by 2.61 percent.

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People

The 2007 District of Columbia County, DC, population is 581,530. There are 9,457 people per square mile (population density).

Family in District of Columbia County, DC

The median age is 36.6. The US median is 37.6. 34.23% of people in District of Columbia County, DC, are married. 9.78% are divorced.

The average household size is 2.1 people. 8.25% of people are married, with children. 11.39% have children, but are single.

Race in District of Columbia County, DC

31.61% of people are white, 56.80% are black, 3.23% are asian, 0.30% are native american, and 7.62% claim 'Other'.

10.14% of the people in District of Columbia County, DC, claim hispanic ethnicity (meaning 89.86% are non-hispanic).

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PeopleDistrict of Columbia, DCUnited States
Population581,530293,655,400
Pop. Density9,45780
Pop. Change1.66%5.88%
Median Age36.637.6
Households255,646108,954,329
Household Size2.12.6
Male Population47.13%48.65%
Female Population52.87%51.35%
Married Population34.23%58.89%
Single Population65.77%41.11%

Economy

The unemployment rate in District of Columbia County, DC, is 5.40%, with job growth of 2.61%. Future job growth over the next ten years is predicted to be 24.26%.

District of Columbia County, DC Taxes

District of Columbia County, DC,sales tax rate is 5.75%. Income tax is 9.50%.

District of Columbia County, DC Income and Salaries

The income per capita is $34,690, which includes all adults and children. The median household income is $49,403.

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EconomyDistrict of Columbia, DCUnited States
Unemployment Rate5.40%4.60%
Recent Job Growth2.61%1.40%
Future Job Growth24.26%11.90%
Sales Taxes5.75%6.00%
Income Taxes9.50%5.02%
Income per Cap.$34,690$24,020
Household Income$49,403$44,684
ESTIMATED HOUSEHOLDS BY HOUSEHOLD INCOME
Income Less Than 15K17.94%13.64%
Income between 15K and 25K9.40%11.21%
Income between 25K and 35K10.25%11.46%
Income between 35K and 50K14.36%15.84%
Income between 50K and 75K15.98%19.28%
Income between 75K and 100K9.98%11.53%
Income between 100K and 150K11.27%10.70%
Income between 150K and 250K6.53%4.43%
Income between 250K and 500K2.71%1.31%
Income greater than 500K1.58%0.61%
POPULATION BY OCCUPATION
Management, Business, and Financial Operations18.57%13.61%
Professional and Related Occupations32.05%20.24%
Service16.33%14.75%
Sales and Office22.89%26.74%
Farming, Fishing, and Forestry0.06%0.74%
Construction, Extraction, and Maintenance4.83%9.48%
Production, Transportation, and Material Moving5.27%14.44%

Housing

The median home value in District of Columbia County, DC, is $862,400. Home appreciation is -5.12% over the last year. The median age of District of Columbia County, DC, real estate is 55 years.

District of Columbia County, DC Apartments and Rentals

Renters make up 53.56% of the District of Columbia County, DC, population. 9.59% of houses and apartments in District of Columbia County, DC, are unoccupied (vacancy rate).

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HousingDistrict of Columbia, DCUnited States
Median Home Age5527
Median Home Cost$862,400$217,200
Home Appreciation-5.12%9.80%
Homes Owned35.98%64.07%
Housing Vacant9.59%14.48%
Homes Rented53.56%21.45%
Property Tax Rate$7.32$13.28
OWNER-OCCUPIED HOUSING UNITS BY VALUE
Less Than $20,0000.20%3.01%
$20,000 to $39,9990.23%4.37%
$40,000 to $59,9990.42%5.74%
$60,000 to $79,9990.75%7.07%
$80,000 to $99,9991.32%8.41%
$100,000 to $149,9999.04%19.74%
$150,000 to $199,99917.88%14.06%
$200,000 to $299,99927.00%16.59%
$300,000 to $399,99910.69%8.21%
$400,000 to $499,9996.80%4.53%
$500,000 to $749,99912.24%4.75%
$1,000,000 or more7.42%1.86%
HOUSING UNITS BY YEAR STRUCTURE BUILT
1999 to October 20053.97%10.15%
1995 to 19980.92%6.69%
1990 to 19941.21%6.70%
1980 to 19894.87%14.75%
1970 to 19798.40%17.11%
1960 to 196914.94%12.78%
1950 to 195916.26%11.64%
1940 to 194916.09%6.64%
1939 or Earlier33.33%13.55%

Health

There are 635 physicians per capita in District of Columbia County, DC. The US average is 170.

District of Columbia County, DC Health Index

Air quality in District of Columbia County, DC is 34 on a scale to 100 (higher is better). This is based on ozone alert days and number of pollutants in the air, as reported by the EPA.

Water quality in District of Columbia County, DC is 40 on a scale to 100 (higher is better). The EPA has a complex method of measuring watershed quality using 15 indicators.

Superfund index is 91 on a scale to 100 (higher is better). This is upon the number and impact of EPA Superfund pollution sites in the county, including spending on the cleanup efforts.

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HealthDistrict of Columbia, DCUnited States
Air Quality (100=best)3448
Water Quality (100=best)4055
Superfund Sites (100=best)9171
Physicians per 100k634.6169.7

Crime

District of Columbia County, DC, violent crime, on a scale from 1 (low crime) to 10, is 8. Violent crime is composed of four offenses: murder and nonnegligent manslaughter, forcible rape, robbery, and aggravated assault. The US average is 3.

District of Columbia County, DC, property crime, on a scale from 1 (low) to 10, is 5. Property crime includes the offenses of burglary, larceny-theft, motor vehicle theft, and arson. The object of the theft-type offenses is the taking of money or property, but there is no force or threat of force against the victims. The US average is 3.

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CrimeDistrict of Columbia, DCUnited States
Violent Crime83
Property Crime53

Climate

District of Columbia County, DC, gets 41 inches of rain per year. The US average is 37. Snowfall is 13 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 111.

On average, there are 202 sunny days per year in District of Columbia County, DC. The July high is around 88 degrees. The January low is 29. Our comfort index, which is based on humidity during the hot months, is a 41 out of 100, where higher is more comfortable. The US average on the comfort index is 44.

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ClimateDistrict of Columbia, DCUnited States
Rainfall (in.)41.236.6
Snowfall (in.)13.225.2
Precipitation Days111101
Sunny Days202205
Avg. July High87.986.5
Avg. Jan. Low28.620.8
Comfort Index (higher=better)4144
UV Index4.14.3
Elevation ft.1041,062

Educate

District of Columbia County, DC, schools spend $8,111 per student. There are 14 pupils per teacher, 530 students per librarian, and 298 children per counselor in District of Columbia County, DC schools.

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EducationDistrict of Columbia, DCUnited States
School Expend.$8,111$6,058
Pupil/Teacher Ratio1415.9
Students per Librarian530907
Students per Counselor298546
2 yr College Grad.2.77%8.22%
4 yr College Grad.17.96%15.16%
Graduate Degrees20.92%7.16%
High School Grads.77.24%79.62%

Transportation

The average one-way commute in District of Columbia County, DC, takes 32 minutes. 38% of commuters drive their own car alone. 11% carpool with others. 33% take mass transit and 4% work from home.

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TransportationDistrict of Columbia, DCUnited States
Commute Time32.327.4
COMMUTE MODE
Auto (alone)38.00%71.32%
Carpool11.05%14.52%
Mass Transit33.06%2.00%
Work at Home3.79%5.46%
COMMUTE TIME TO WORK
Commute Less Than 15 min.15.74%28.89%
Commute 15 to 29 min.36.54%36.08%
Commute 30 to 44 min.28.40%19.35%
Commute 45 to 59 min.10.05%7.57%
Commute greater than 60 min.9.28%8.12%

Cost of Living

Our cost of living indices are based on a US average of 100. An amount below 100 means District of Columbia County, DC is cheaper than the US average. A cost of living index above 100 means District of Columbia County, DC is more expensive.

Overall, District of Columbia County, DC cost of living is 165.63.

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CostoflivingDistrict of Columbia, DCUnited States
Overall166100
Food112100
Utilities84100
Miscellaneous110100

Religion

73.16% of the people in District of Columbia County, DC are religious, meaning they affiliate with a religion. 27.98% are Catholic; 24.63% are Protestant; 0.14% are LDS; 5.32% are another Christian faith; 4.46% in District of Columbia County, DC are Jewish; 0.06% are an eastern faith; 10.57% affilite with Islam.

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ReligionDistrict of Columbia, DCUnited States
Percent Religious73.16%50.03%
Catholic27.98%21.92%
Protestant24.63%19.12%
LDS0.14%1.57%
Baptist15.86%8.16%
Episcopalian3.44%8.12%
Pentecostal0.34%1.89%
Lutheran0.84%2.81%
Methodist2.69%3.84%
Presbyterian1.45%1.33%
Other Christian5.32%4.66%
Jewish4.46%2.16%
Eastern0.06%0.05%
Islam10.57%0.54%

Voting

89.18% of the people in District of Columbia County, DC are registered as Democrats. 9.34% are registered Republican. Remaining are independent: 1.48%.

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VotingDistrict of Columbia, DCUnited States
Democrat89.184%48.590%
Republican9.340%51.070%
Independent Other0.222%0.066%
Independent Liberal1.033%0.475%
Independent Conservative0.221%0.447%