2025 Compare Cities People:
St. Marys, PA vs Philadelphia, PA

Change Cities
Highlights
- Philadelphia is 0% more densely populated than St. Marys.
- People are 29.7% less likely to be married in Philadelphia.
- The Median Age is 14.8 years younger in Philadelphia.
 St. Marys, PAPhiladelphia, PAUnited States
 Population  Unlock1,596,865329,725,481
 Female Population52.6%  Unlock50.5%
 Male Population47.4%  Unlock49.5%
 Median Age  Unlock34.838.4
 space3
 Population - 201013,036  Unlock309,327,143
 Population - 2000  Unlock1,517,550285,036,114
 Population - 19905,511  Unlock251,960,433
 Pop. 2000 to Now  Unlock4.0%15.6%
 Pop. 1990 to Now120.6%  Unlock30.8%
 space4
 Population Density  Unlock11,896.293.4
 Land Area99.3  Unlock3,531,905.4
 Water Area  Unlock8.5264,836.8
 space
 Est. Total Population By Age
 St. Marys, PAPhiladelphia, PAUnited States
 Age 0 to 45.2%  Unlock5.9%
 Age 5 to 9  Unlock5.9%6.1%
 Age 10 to 144.8%  Unlock6.6%
 Age 15 to 17  Unlock3.3%3.9%
 Age 18 to 202.9%  Unlock4.0%
 Age 21 to 24  Unlock5.5%5.2%
 Age 25 to 3410.9%  Unlock13.8%
 Age 35 to 44  Unlock12.9%12.9%
 Age 45 to 5412.3%  Unlock12.6%
 Age 55 to 59  Unlock5.8%6.7%
 Age 60 to 648.6%  Unlock6.3%
 Age 65 to 74  Unlock8.1%9.6%
 Age 75 to 848.2%  Unlock4.5%
 Age 85 and over  Unlock1.7%1.9%
 space1
 Race
 St. Marys, PAPhiladelphia, PAUnited States
 White96.0%  Unlock59.4%
 Black  Unlock39.6%12.2%
 Asian0.3%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races2.2%  Unlock3.2%
 Hispanic  Unlock15.4%18.4%
 space2
 Marriage & Family
 St. Marys, PAPhiladelphia, PAUnited States
 Married Population49.2%  Unlock49.8%
     Currently Married  Unlock31.5%48.0%
 Married but Separated0.6%  Unlock1.8%
 Single Population  Unlock65.4%50.2%
 Never Married29.5%  Unlock33.8%
 Divorced  Unlock9.2%10.8%
 Widowed8.9%  Unlock5.6%
 space5
 Household Size  Unlock2.402.60
 Households5,691  Unlock124,010,992
 Family Households  Unlock347,85880,755,759
     Married couple, w/children15.2%  Unlock30.5%
     Married couple, no children  Unlock30.6%42.9%
 Non Family Households2,321  Unlock43,255,233
     Single householder, w/children  Unlock28.8%15.8%
     Single householder, no children9.8%  Unlock10.8%
Reviews for St. Marys    4 Reviews

Over 12 years ago

The population continues to decline in St. Marys. The Census Bureau came out with their latest numbers and the population continues to decline. In 2011 it was at  More

   |    Reply

Over 12 years ago

This place is full of nothing but old people and rednecks. They have no idea what the rest of the world is like because they are very isolated geographically and  More

   |    Reply

St. Marys, and the whole Elk County area are a textbook example of the term "Brain Drain." Ever since the mid to late 90's, most of the youth that went away to college  More

   |    Reply

Start Your Review of St. Marys

Reviews for Philadelphia    139 Reviews

Philadelphia is a very walkable and fun city to explore (albeit be aware of where not to explore at least at night). The city has beautiful old architecture , great  More

   |    Reply

I’m originally from New York City, then lived in a small city in upstate New York for eight years, then moved down to Philadelphia and have lived here for many years.  More

   |    Reply

Now the only reason some people disagree is because MONEY. If you live in “manayunk” (which I lived for 2 years) you can’t compare … you can’t compare your out skirt  More

   |    Reply

Start Your Review of Philadelphia


Premium Subscription
Includes Cost of Living compares for child care, utilities, transportation, health, taxes, housing for home owners vs renters, weather, insurance premiums and so much more.


The premier source for comprehensive city data for over 30 years.

© Best Places. All rights reserved.