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2026 Compare Cities People:
Springfield, IL vs Rancho San Diego, CA

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Highlights
- Rancho San Diego is 0% more densely populated than Springfield.
- People are 43.9% more likely to be married in Rancho San Diego.
- The Median Age is 2.1 years older in Rancho San Diego.
 Springfield, ILRancho San Diego, CAUnited States
 Population  Unlock22,019329,725,481
 Female Population52.1%  Unlock50.5%
 Male Population47.9%  Unlock49.5%
 Median Age  Unlock41.838.4
 space3
 Population - 2010117,139  Unlock309,327,143
 Population - 2000  Unlock20,155285,036,114
 Population - 1990105,227  Unlock251,960,433
 Pop. 2000 to Now  Unlock9.1%15.6%
 Pop. 1990 to Now8.0%  Unlock30.8%
 space4
 Population Density  Unlock2,532.193.4
 Land Area61.0  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Springfield, ILRancho San Diego, CAUnited States
 Age 0 to 46.1%  Unlock5.9%
 Age 5 to 9  Unlock5.1%6.1%
 Age 10 to 146.0%  Unlock6.6%
 Age 15 to 17  Unlock4.2%3.9%
 Age 18 to 203.9%  Unlock4.0%
 Age 21 to 24  Unlock4.6%5.2%
 Age 25 to 3413.3%  Unlock13.8%
 Age 35 to 44  Unlock12.9%12.9%
 Age 45 to 5412.1%  Unlock12.6%
 Age 55 to 59  Unlock6.8%6.7%
 Age 60 to 646.5%  Unlock6.3%
 Age 65 to 74  Unlock14.1%9.6%
 Age 75 to 845.2%  Unlock4.5%
 Age 85 and over  Unlock2.5%1.9%
 space1
 Race
 Springfield, ILRancho San Diego, CAUnited States
 White70.4%  Unlock59.4%
 Black  Unlock1.8%12.2%
 Asian3.2%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races3.3%  Unlock3.2%
 Hispanic  Unlock18.0%18.4%
 space2
 Marriage & Family
 Springfield, ILRancho San Diego, CAUnited States
 Married Population41.0%  Unlock49.8%
     Currently Married  Unlock58.0%48.0%
 Married but Separated1.6%  Unlock1.8%
 Single Population  Unlock40.9%50.2%
 Never Married37.6%  Unlock33.8%
 Divorced  Unlock8.5%10.8%
 Widowed6.2%  Unlock5.6%
 space5
 Household Size  Unlock2.862.60
 Households50,961  Unlock124,010,992
 Family Households  Unlock6,02680,755,759
     Married couple, w/children21.6%  Unlock30.5%
     Married couple, no children  Unlock46.7%42.9%
 Non Family Households23,511  Unlock43,255,233
     Single householder, w/children  Unlock7.1%15.8%
     Single householder, no children11.9%  Unlock10.8%
Voting
Reviews for Springfield    25 Reviews
Nicholas · Chatham, IL
Mediocrity in Middle America
Over 3 years ago

I've lived here for over 40 years. Springfield is a decent place to raise a family. Solid midwestern values, and I've always felt safe. Opportunities exist, but there  More

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joyce · Port Washington, WI
Hometown feel with city amenities
Over 3 years ago

I moved (back) to Springfield after living in various cities and towns around the country - as large as Milwaukee, as small as Baker, NV - and can say without  More

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hugh · 
needs better dentists
Over 5 years ago

whole town smells like dirty ***** and  More

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Reviews for Rancho San Diego    1 Reviews
RONDA · Rancho Palos Verdes, CA
great palce
Over 20 years ago

Fabulous place to live. Excellent school  More

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