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2025 Compare Cities People:
Wilmington, DE vs South San Francisco, CA

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Highlights
- South San Francisco is 0% more densely populated than Wilmington.
- People are 82.6% more likely to be married in South San Francisco.
- The Median Age is 5.8 years older in South San Francisco.
 Wilmington, DESouth San Francisco, CAUnited States
 Population  Unlock66,331329,725,481
 Female Population52.9%  Unlock50.5%
 Male Population47.1%  Unlock49.5%
 Median Age  Unlock42.138.4
 space3
 Population - 201070,834  Unlock309,327,143
 Population - 2000  Unlock60,552285,036,114
 Population - 199071,529  Unlock251,960,433
 Pop. 2000 to Now  Unlock9.9%15.6%
 Pop. 1990 to Now-1.6%  Unlock30.8%
 space4
 Population Density  Unlock7,189.693.4
 Land Area10.9  Unlock3,531,905.4
 Water Area  Unlock21.0264,836.8
 space
 Est. Total Population By Age
 Wilmington, DESouth San Francisco, CAUnited States
 Age 0 to 45.9%  Unlock5.9%
 Age 5 to 9  Unlock5.4%6.1%
 Age 10 to 147.0%  Unlock6.6%
 Age 15 to 17  Unlock2.8%3.9%
 Age 18 to 203.3%  Unlock4.0%
 Age 21 to 24  Unlock4.4%5.2%
 Age 25 to 3418.0%  Unlock13.8%
 Age 35 to 44  Unlock14.1%12.9%
 Age 45 to 5411.7%  Unlock12.6%
 Age 55 to 59  Unlock7.6%6.7%
 Age 60 to 647.1%  Unlock6.3%
 Age 65 to 74  Unlock10.1%9.6%
 Age 75 to 843.8%  Unlock4.5%
 Age 85 and over  Unlock2.1%1.9%
 space1
 Race
 Wilmington, DESouth San Francisco, CAUnited States
 White28.9%  Unlock59.4%
 Black  Unlock1.8%12.2%
 Asian1.2%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races2.6%  Unlock3.2%
 Hispanic  Unlock29.8%18.4%
 space2
 Marriage & Family
 Wilmington, DESouth San Francisco, CAUnited States
 Married Population29.2%  Unlock49.8%
     Currently Married  Unlock51.9%48.0%
 Married but Separated2.5%  Unlock1.8%
 Single Population  Unlock46.7%50.2%
 Never Married52.5%  Unlock33.8%
 Divorced  Unlock8.0%10.8%
 Widowed5.6%  Unlock5.6%
 space5
 Household Size  Unlock3.002.60
 Households31,392  Unlock124,010,992
 Family Households  Unlock16,06480,755,759
     Married couple, w/children16.2%  Unlock30.5%
     Married couple, no children  Unlock43.8%42.9%
 Non Family Households17,110  Unlock43,255,233
     Single householder, w/children  Unlock8.9%15.8%
     Single householder, no children21.3%  Unlock10.8%
Voting
Reviews for Wilmington    18 Reviews
T · New Castle, DE
I Cannot Wait To Rid Myself of This Place
Over 8 years ago

I'm ready to get away from this whole state, once and for all! There are no real jobs here. The cost of living is getting entirely too high, as well as the crime.  More

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ron · Glen Allen, VA
Park Plaza
Over 9 years ago

can anyone offer information on the Park Plaza, 1100 Lovering Ave,  More

   |    Reply
Joseph · Wilmington, DE
So far I'm impressed with Wilmington
Over 9 years ago

When we sold our house in the burbs and downsized to a condo in Wilmington all our friends thought we were nuts. What about the crime? Well, we've been here for a year  More

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Reviews for South San Francisco    5 Reviews
kim · South San Francisco, CA
SSF is probably the most misunderstood city in the
Over 12 years ago

It's amazing, but many, many people, including people who live in SF, think that SSF is just a part of SF. Not true. We're right across the highway from SFO, which is  More

   |    Reply
Dawn · South San Francisco, CA
Cloudy Days
Over 17 years ago

One frustrating thing about South City weather is the number of overcast & foggy days, as compared to other nearby cities on the Peninsula. You can literally look  More

   |    Reply
Thanwa · Elk Grove, CA
Bayview Hunters Point
Over 19 years ago

Been living in bayview hunters point for about 12 years now. What I can say that it's a rough place to live, no one cares about us and the mayor of San Francisco  More

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Learn More About Wilmington, Delaware
Overview
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Learn More About South San Francisco, California
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