2025 Compare Cities People:
Peterborough, NH vs St. Ignace, MI

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Highlights
- St. Ignace is 0% more densely populated than Peterborough.
- People are 35.3% less likely to be married in St. Ignace.
- The Median Age is 2.7 years younger in St. Ignace.
 Peterborough, NHSt. Ignace, MIUnited States
 Population  Unlock2,041329,725,481
 Female Population49.7%  Unlock50.5%
 Male Population50.3%  Unlock49.5%
 Median Age  Unlock49.138.4
 space3
 Population - 20106,274  Unlock309,327,143
 Population - 2000  Unlock2,678285,036,114
 Population - 19905,239  Unlock251,960,433
 Pop. 2000 to Now  Unlock-13.2%15.6%
 Pop. 1990 to Now28.7%  Unlock30.8%
 space4
 Population Density  Unlock773.793.4
 Land Area37.7  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Peterborough, NHSt. Ignace, MIUnited States
 Age 0 to 42.0%  Unlock5.9%
 Age 5 to 9  Unlock3.3%6.1%
 Age 10 to 146.7%  Unlock6.6%
 Age 15 to 17  Unlock2.3%3.9%
 Age 18 to 200.8%  Unlock4.0%
 Age 21 to 24  Unlock6.2%5.2%
 Age 25 to 348.9%  Unlock13.8%
 Age 35 to 44  Unlock10.5%12.9%
 Age 45 to 5415.7%  Unlock12.6%
 Age 55 to 59  Unlock12.9%6.7%
 Age 60 to 6410.9%  Unlock6.3%
 Age 65 to 74  Unlock9.6%9.6%
 Age 75 to 847.3%  Unlock4.5%
 Age 85 and over  Unlock3.3%1.9%
 space1
 Race
 Peterborough, NHSt. Ignace, MIUnited States
 White94.9%  Unlock59.4%
 Black  Unlock5.1%12.2%
 Asian0.4%  Unlock5.6%
 Native American  Unlock28.3%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.6%0.4%
 Two or More Races1.0%  Unlock3.2%
 Hispanic  Unlock0.7%18.4%
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 Marriage & Family
 Peterborough, NHSt. Ignace, MIUnited States
 Married Population60.2%  Unlock49.8%
     Currently Married  Unlock38.2%48.0%
 Married but Separated0.5%  Unlock1.8%
 Single Population  Unlock61.1%50.2%
 Never Married20.6%  Unlock33.8%
 Divorced  Unlock17.7%10.8%
 Widowed3.6%  Unlock5.6%
 space5
 Household Size  Unlock1.912.60
 Households2,831  Unlock124,010,992
 Family Households  Unlock48880,755,759
     Married couple, w/children24.6%  Unlock30.5%
     Married couple, no children  Unlock47.5%42.9%
 Non Family Households1,025  Unlock43,255,233
     Single householder, w/children  Unlock18.6%15.8%
     Single householder, no children4.6%  Unlock10.8%
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