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2025 Compare Cities People:
San Luis Obispo, CA vs Washington, DC

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Highlights
- Washington is 0% more densely populated than San Luis Obispo.
- People are 13.2% more likely to be married in Washington.
- The Median Age is 8.3 years older in Washington.
 San Luis Obispo, CAWashington, DCUnited States
 Population  Unlock683,154329,725,481
 Female Population49.1%  Unlock50.5%
 Male Population50.9%  Unlock49.5%
 Median Age  Unlock34.338.4
 space3
 Population - 201045,193  Unlock309,327,143
 Population - 2000  Unlock572,059285,036,114
 Population - 199041,958  Unlock251,960,433
 Pop. 2000 to Now  Unlock24.6%15.6%
 Pop. 1990 to Now13.4%  Unlock30.8%
 space4
 Population Density  Unlock11,174.393.4
 Land Area13.1  Unlock3,531,905.4
 Water Area  Unlock7.2264,836.8
 space
 Est. Total Population By Age
 San Luis Obispo, CAWashington, DCUnited States
 Age 0 to 43.1%  Unlock5.9%
 Age 5 to 9  Unlock5.1%6.1%
 Age 10 to 142.9%  Unlock6.6%
 Age 15 to 17  Unlock2.3%3.9%
 Age 18 to 2014.7%  Unlock4.0%
 Age 21 to 24  Unlock5.8%5.2%
 Age 25 to 3413.4%  Unlock13.8%
 Age 35 to 44  Unlock15.6%12.9%
 Age 45 to 547.5%  Unlock12.6%
 Age 55 to 59  Unlock5.2%6.7%
 Age 60 to 645.5%  Unlock6.3%
 Age 65 to 74  Unlock7.2%9.6%
 Age 75 to 843.7%  Unlock4.5%
 Age 85 and over  Unlock1.5%1.9%
 space1
 Race
 San Luis Obispo, CAWashington, DCUnited States
 White70.7%  Unlock59.4%
 Black  Unlock43.9%12.2%
 Asian4.8%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.5%0.4%
 Two or More Races3.9%  Unlock3.2%
 Hispanic  Unlock11.3%18.4%
 space2
 Marriage & Family
 San Luis Obispo, CAWashington, DCUnited States
 Married Population28.8%  Unlock49.8%
     Currently Married  Unlock30.9%48.0%
 Married but Separated0.9%  Unlock1.8%
 Single Population  Unlock67.4%50.2%
 Never Married59.0%  Unlock33.8%
 Divorced  Unlock8.2%10.8%
 Widowed3.9%  Unlock5.6%
 space5
 Household Size  Unlock2.082.60
 Households19,035  Unlock124,010,992
 Family Households  Unlock131,19680,755,759
     Married couple, w/children23.1%  Unlock30.5%
     Married couple, no children  Unlock36.8%42.9%
 Non Family Households11,342  Unlock43,255,233
     Single householder, w/children  Unlock22.8%15.8%
     Single householder, no children15.3%  Unlock10.8%
Voting
Reviews for San Luis Obispo    21 Reviews
Bruce · Las Vegas, NV
COST OF LIVING AND FINDING A PLACE TO LIVE
Over 10 years ago

MY FIANCEE AND I ARE LOOKING TO MOVE TO SLO FOR RETIREMENT ( NEXT MONTH ) WE ARE BOTH ARTISTS AND HOPE OUR TALENT WILL HELP WITH COST OF LIVING IN SLO!!! ANY  More

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Tim · San Luis Obispo, CA
Sunny & 70º
Over 10 years ago

In almost any season of the year in San Luis Obispo, you’ll find the sun shining and the temperature hitting around 70º at some point in the day. With the temperature  More

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Sadie · San Luis Obispo, CA
Beautiful place to live hard to find a room
Over 12 years ago

San Luis Obispo and surrounding areas are beautiful, great weather, beaches, farms markets, a downtown area full of some of the best bars and restaurants, wine country,  More

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Reviews for Washington    97 Reviews
JOHN · Arlington, VA
The worst
Over 4 years ago

Living in DC long term brings on a kind of insidious misery. A long, slow, simmering down of any natural optimism or desire for a better future. It’s a leach of a town  More

   |    Reply
P · Los Angeles, CA
It was time to leave.
Over 5 years ago

Parts are beautiful but alot is rundown and ghetto. They always show the monuments and upper nw neighborhoods but never show hoods across the Anacostia River. Crime is  More

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Fritz · Alexandria, VA
Great town with it's challenges
Over 6 years ago

Moved to DC 40 years ago from Mpls-St. Paul. DC is an amazing town. Downside is people are very competitive, everything is expensive. Great restaurants, foodie heaven  More

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Learn More About San Luis Obispo, California
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