2025 Compare Cities People:
Mars, PA vs Dayton, OH

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Highlights
- Dayton is 0% more densely populated than Mars.
- People are 2.6% less likely to be married in Dayton.
- The Median Age is 21.9 years younger in Dayton.
 Mars, PADayton, OHUnited States
 Population  Unlock138,416329,725,481
 Female Population55.2%  Unlock50.5%
 Male Population44.8%  Unlock49.5%
 Median Age  Unlock33.538.4
 space3
 Population - 20101,699  Unlock309,327,143
 Population - 2000  Unlock166,179285,036,114
 Population - 19901,713  Unlock251,960,433
 Pop. 2000 to Now  Unlock-15.8%15.6%
 Pop. 1990 to Now-6.1%  Unlock30.8%
 space4
 Population Density  Unlock2,498.693.4
 Land Area0.5  Unlock3,531,905.4
 Water Area  Unlock1.2264,836.8
 space
 Est. Total Population By Age
 Mars, PADayton, OHUnited States
 Age 0 to 41.5%  Unlock5.9%
 Age 5 to 9  Unlock5.7%6.1%
 Age 10 to 145.5%  Unlock6.6%
 Age 15 to 17  Unlock3.4%3.9%
 Age 18 to 201.4%  Unlock4.0%
 Age 21 to 24  Unlock7.2%5.2%
 Age 25 to 3410.6%  Unlock13.8%
 Age 35 to 44  Unlock11.0%12.9%
 Age 45 to 548.6%  Unlock12.6%
 Age 55 to 59  Unlock6.6%6.7%
 Age 60 to 6412.7%  Unlock6.3%
 Age 65 to 74  Unlock7.8%9.6%
 Age 75 to 8410.6%  Unlock4.5%
 Age 85 and over  Unlock1.3%1.9%
 space1
 Race
 Mars, PADayton, OHUnited States
 White94.8%  Unlock59.4%
 Black  Unlock38.3%12.2%
 Asian0.0%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races0.0%  Unlock3.2%
 Hispanic  Unlock5.0%18.4%
 space2
 Marriage & Family
 Mars, PADayton, OHUnited States
 Married Population29.1%  Unlock49.8%
     Currently Married  Unlock25.5%48.0%
 Married but Separated0.0%  Unlock1.8%
 Single Population  Unlock71.7%50.2%
 Never Married35.0%  Unlock33.8%
 Divorced  Unlock15.3%10.8%
 Widowed16.0%  Unlock5.6%
 space5
 Household Size  Unlock2.202.60
 Households615  Unlock124,010,992
 Family Households  Unlock28,13480,755,759
     Married couple, w/children27.0%  Unlock30.5%
     Married couple, no children  Unlock30.3%42.9%
 Non Family Households348  Unlock43,255,233
     Single householder, w/children  Unlock35.1%15.8%
     Single householder, no children30.3%  Unlock10.8%
Reviews for Mars    1 Reviews

Over 16 years ago

It's a small town but growing. The scenery and weather are nice. The location is just about right. It's not far from Pittsburgh or other cities, towns and activities.  More

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Reviews for Dayton    32 Reviews

Over 2 years ago

I've lived in Dayton Ohio for over 7 years. I live in a historic district within a short walk to Oregon district and down town. The summer concert series at Levitt  More

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Over 7 years ago

Spent years assigned at WPAFB (in Mar 90 - Aug 95') and lived in Oakwood for 5 years. We loved it and have nothing negative to say. Locals were friendly and interested  More

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I spent four and a half miserable years here. Essentially, your only employment opportunities are in healthcare or at the base. I worked at the base; they were  More

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