Latest Data (2017)
Population 12,370
Nationwide Rank 2628

Quick Facts

St. Marys, Pennsylvania is the 2,628th largest city in the United States as of 2017.

St. Marys, Pennsylvania is a city.

St. Marys, Pennsylvania is currently 14.5% smaller than it was in 2000, the year of its peak recorded population.

St. Marys, Pennsylvania's growth is extremely below average. 95% of similarly sized cities are growing faster since 2000.

St. Marys, Pennsylvania Border Map

Similarly Sized Cities In US

US Rank Name Population Growth
2000-2017
2618 Somerville, New Jersey 12,418 0.7%
2619 Marysville, California 12,413 1.0%
2620 Palos Heights, Illinois 12,403 9.5%
2621 Wilmington, Ohio 12,398 3.6%
2622 Larkspur, California 12,396 3.1%
2623 Gatesville, Texas 12,387 -21.4%
2624 New Baltimore, Michigan 12,380 62.3%
2625 Cambridge, Maryland 12,376 11.3%
2626 Eatontown, New Jersey 12,376 -11.8%
2627 Gulfport, Florida 12,371 -2.6%
2628 St. Marys, Pennsylvania 12,370 -14.5%
2629 Edgewater, New Jersey 12,368 55.2%
2630 Northlake, Illinois 12,364 4.0%
2631 Ottawa, Kansas 12,342 2.9%
2632 Trophy Club, Texas 12,340 91.7%
2633 Mountain Home, Arkansas 12,332 11.1%
2634 Minden, Louisiana 12,319 -7.2%
2635 Mandeville, Louisiana 12,318 16.3%
2636 Smithfield, North Carolina 12,309 11.5%
2637 Beatrice, Nebraska 12,295 -2.0%
2638 Fernandina Beach, Florida 12,292 14.7%

Similarly Sized Cities In Pennsylvania

US Rank Name Population Growth
2000-2017
1526 Hazleton 24,723 6.2%
1640 Pottstown 22,741 3.9%
1676 New Castle 22,069 -15.9%
1755 Chambersburg 20,878 17.0%
1816 West Chester 20,060 12.2%
1834 West Mifflin 19,839 -10.4%
1838 Murrysville 19,800 5.1%
1852 Johnstown 19,643 -17.5%
1857 Baldwin 19,610 -1.0%
1879 Carlisle 19,259 6.1%
1880 McKeesport 19,245 -19.5%
2069 Phoenixville 16,943 14.4%
2105 Lansdale 16,588 3.1%
2209 Hermitage 15,635 -3.5%
2213 Hanover 15,607 7.0%
2221 Wilkinsburg 15,554 -16.7%
2316 Franklin Park 14,552 27.3%
2341 Greensburg 14,299 -9.8%
2350 Bloomsburg 14,231 15.2%
2397 Ephrata 13,885 5.3%
2421 Whitehall 13,733 -4.8%
2439 Pottsville 13,625 -12.1%
2448 Washington 13,566 -10.5%
2482 Sharon 13,259 -18.5%
2500 Indiana 13,149 -12.3%
2503 Coatesville 13,123 20.7%
2506 Butler 13,107 -13.1%
2514 Dunmore 13,069 -8.6%
2526 Meadville 12,973 -5.0%
2543 Kingston 12,878 -6.7%
2610 New Kensington 12,466 -14.9%
2628 St. Marys 12,370 -14.5%
2762 Elizabethtown 11,586 -2.4%
2773 Yeadon 11,505 -2.0%
2781 Emmaus 11,454 1.2%
2819 Lower Burrell 11,228 -10.8%
2820 Jefferson Hills 11,226 15.6%
2834 Munhall 11,158 -7.9%
2879 Waynesboro 10,877 13.1%
2908 Darby 10,700 4.0%
2922 Lansdowne 10,646 -3.4%
2962 Wyomissing 10,454 0.2%
2966 Columbia 10,432 1.0%
3009 East Stroudsburg 10,287 3.8%
3011 Nanticoke 10,279 -5.8%
3050 Berwick 10,086 -6.0%
3084 Northampton 9,888 5.2%
3094 Oil City 9,863 -14.0%
3107 Uniontown 9,824 -20.9%
3143 Bristol 9,631 -3.1%
3160 Sunbury 9,519 -10.0%
3178 Lititz 9,415 4.2%
3185 Brentwood 9,398 -9.9%
3203 Lock Haven 9,284 1.5%
3206 Middletown 9,270 1.8%
3223 Jeannette 9,190 -13.5%
3225 Economy 9,178 -1.8%
3230 Warren 9,162 -10.4%
3260 Mechanicsburg 9,016 0.0%
3263 Aliquippa 9,006 -22.6%
3310 Quakertown 8,843 -0.9%
3312 Canonsburg 8,837 2.7%
3323 Collingdale 8,791 1.5%
3341 Swissvale 8,746 -9.0%
3384 Morrisville 8,578 -14.4%
3392 Perkasie 8,555 -3.2%
3413 Beaver Falls 8,483 -14.2%
3422 Carbondale 8,447 -13.5%
3441 Dormont 8,377 -10.0%
3454 Millersville 8,353 7.5%
3469 Doylestown 8,315 1.0%
3473 Bradford 8,305 -9.0%
3504 Mount Joy 8,215 21.2%
3507 Lewistown 8,205 -8.6%
3517 Castle Shannon 8,173 -5.0%
3526 Bellevue 8,159 -6.9%
3545 Pleasant Hills 8,132 -5.7%
3562 Conshohocken 8,053 6.0%
3565 Brookhaven 8,039 0.7%
3574 Grove City 8,011 0.0%
3596 Latrobe 7,949 -11.3%
3598 Camp Hill 7,939 4.0%
3599 Old Forge 7,937 -9.5%
3601 Downingtown 7,928 4.0%
3609 Carnegie 7,898 -5.8%
3635 Wilson 7,819 2.1%
3679 Pittston 7,694 -4.7%
3687 White Oak 7,673 -10.1%
3699 Gettysburg 7,633 1.8%
3735 Palmyra 7,527 6.1%
3741 Ellwood City 7,501 -13.7%
3759 DuBois 7,454 -8.2%
3763 Hatboro 7,436 0.5%
3781 Connellsville 7,368 -18.7%
3794 Monessen 7,339 -15.1%
3803 New Cumberland 7,318 -0.2%
3856 Glenolden 7,161 -4.1%
3888 Shamokin 7,061 -11.6%
3893 Ridley Park 7,040 -2.0%
3902 Souderton 7,008 4.0%
3920 Huntingdon 6,964 0.6%
3922 Archbald 6,954 11.8%
3951 Milton 6,847 3.5%
3988 Tamaqua 6,747 -5.6%
3999 Ambridge 6,724 -13.1%
4009 Clifton Heights 6,702 -1.0%
4037 Folcroft 6,614 -5.1%
4038 Clairton 6,611 -21.6%
4046 West View 6,602 -8.7%
4050 Catasauqua 6,596 0.1%
4077 Ambler 6,521 1.4%
4088 Prospect Park 6,491 -1.4%
4107 Oakmont 6,445 -6.5%
4128 California 6,364 20.8%
4134 Forest Hills 6,354 -10.2%
4140 Corry 6,347 -6.9%
4142 Red Lion 6,346 3.0%
4156 Bellefonte 6,308 -1.6%
4166 Swarthmore 6,257 1.4%
4171 Blakely 6,245 -10.9%

Demographics

Population History

Year Population Rank in US
2017 12,370 2,628
2016 12,499 2,590
2015 12,652 2,560
2014 12,793 2,532
2013 12,909 2,505
2012 12,913 2,479
2011 13,011 2,451
2010 13,070 2,435
2009 13,318 2,364
2008 13,387 2,346
2007 13,525 2,310
2006 13,556 2,283
2005 13,715 2,232
2004 13,925 2,195
2003 14,055 2,157
2002 14,185 2,123
2001 14,354 2,085
2000 14,471 2,063
1990 14,081 1,868