2026 Compare Cities People:
Belvidere, IL vs Grass Valley, CA

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Highlights
- Grass Valley is 0% more densely populated than Belvidere.
- People are 16.4% less likely to be married in Grass Valley.
- The Median Age is 10.1 years older in Grass Valley.
 Belvidere, ILGrass Valley, CAUnited States
 Population  Unlock13,550329,725,481
 Female Population52.3%  Unlock50.5%
 Male Population47.7%  Unlock49.5%
 Median Age  Unlock4738.4
 space3
 Population - 201025,598  Unlock309,327,143
 Population - 2000  Unlock10,922285,036,114
 Population - 199015,958  Unlock251,960,433
 Pop. 2000 to Now  Unlock16.9%15.6%
 Pop. 1990 to Now55.0%  Unlock30.8%
 space4
 Population Density  Unlock2,581.493.4
 Land Area12.1  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Belvidere, ILGrass Valley, CAUnited States
 Age 0 to 45.9%  Unlock5.9%
 Age 5 to 9  Unlock5.3%6.1%
 Age 10 to 147.2%  Unlock6.6%
 Age 15 to 17  Unlock1.6%3.9%
 Age 18 to 204.5%  Unlock4.0%
 Age 21 to 24  Unlock4.2%5.2%
 Age 25 to 3413.4%  Unlock13.8%
 Age 35 to 44  Unlock12.5%12.9%
 Age 45 to 5413.5%  Unlock12.6%
 Age 55 to 59  Unlock6.6%6.7%
 Age 60 to 644.8%  Unlock6.3%
 Age 65 to 74  Unlock13.9%9.6%
 Age 75 to 844.4%  Unlock4.5%
 Age 85 and over  Unlock7.6%1.9%
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 Race
 Belvidere, ILGrass Valley, CAUnited States
 White60.1%  Unlock59.4%
 Black  Unlock0.5%12.2%
 Asian0.9%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races1.1%  Unlock3.2%
 Hispanic  Unlock11.0%18.4%
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 Marriage & Family
 Belvidere, ILGrass Valley, CAUnited States
 Married Population42.0%  Unlock49.8%
     Currently Married  Unlock32.9%48.0%
 Married but Separated2.1%  Unlock1.8%
 Single Population  Unlock64.8%50.2%
 Never Married36.6%  Unlock33.8%
 Divorced  Unlock22.3%10.8%
 Widowed6.9%  Unlock5.6%
 space5
 Household Size  Unlock1.992.60
 Households9,193  Unlock124,010,992
 Family Households  Unlock2,89080,755,759
     Married couple, w/children26.5%  Unlock30.5%
     Married couple, no children  Unlock33.7%42.9%
 Non Family Households3,364  Unlock43,255,233
     Single householder, w/children  Unlock24.9%15.8%
     Single householder, no children12.9%  Unlock10.8%
Reviews for Belvidere    4 Reviews

The town is full of gangs from chicago that spay paint everything. The police are like nazi storm troopers. The court system is full of good ole boys. The only honorable  More

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People from the Chicago suburbs can't believe the low cost of housing. Schools are good. Easy to go to the city or an  More

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Over 18 years ago

I recently moved back to Belvidere from the suburbs of Chicago. I am very happy to find that the cost of living is far cheaper than anyother place I have found in IL (&  More

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Start Your Review of Belvidere

Reviews for Grass Valley    15 Reviews

I've lived many places in California. I've now lived in Grass Valley for 2 years. Grass Valley and it's sister Nevada City are adorable little towns full of history and  More

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Grass valley has become a sad place to live. I was born and raised here and can no longer afford to raise my small family here. Look up the median annual wage and the  More

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I'm 25 years old and I've lived in this town all of my life, and I'm saving every single dollar I make to leave here and never come back. It's a shame, because at one  More

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