1. New York City
2. Los Angeles
3. Chicago
4. Houston
5. Phoenix
6. Philadelphia
7. San Antonio
8. San Diego
9. Dallas
10. San Jose
11. Austin
12. Jacksonville
13. Fort Worth
14. Columbus
15. Charlotte
16. San Fransisco
17. Indianapolis
18. Seattle
19. Denver
20. Washington D.C.
21. Boston
22. El Paso
23. Nashville
24. Detroit
25. Oklahoma City

New York City 

Population: 8,339,817
State: New York
Population Change: +1.98%
Population Density: 28,317 per sq. mi.
Founded: 1624

Los Angeles 

Population: 3,797,565
State: California
Population Change: +4.93%
Population Density: 8,484 per sq. mi.
Founded: 1781

Chicago

Population: 2,693,976
State: Illinois 
Population Change: -0.06%
Population Density: 11,900 per sq. mi.
Founded: 1780

Houston 

Population: 2,320,268
State: Texas 
Population Change: +10.48%
Population Density: 3,613 per sq. mi.
Founded: 1837

Phoenix

Population: 1,680,992
State: Arizona 
Population Change: +16.28%
Population Density: 3,120 per sq. mi. 
Founded: 1867

Philadelphia 

Population: 1,584,064
Population Change: +3.80%
State: Pennsylvania
Population Density: 11,683 per sq. mi.
Founded: 1682

San Antonio 

Population: 1,547,243
State: Texas
Population Change: +16.56%
Population Density: 3,238 per sq. mi.
Founded: 1718

San Diego

Population: 1,423,853
State: California
Population Change: +8.91%
Population Density: 4,325 per sq. mi. 
Founded: 1769

Dallas 

Population: 1,343,573
State: Texas 
Population Change: +12.17%
Population Density: 3,866 per sq. mi.
Founded: 1856

San Jose 

Population: 1,021,795
State: California
Population Change: +8.91%
Population Density: 5,777 per sq. mi. 
Founded: 1777

Austin 

Population: 978,908 
State: Texas 
Population Change: +23.85%
Population Density: 3,031 per sq. mi. 
Founded: 1836

Jacksonville 

Population: 911,507
State: Florida 
Population Change: +10.92%
Population Density: 1,137 per sq. mi. 
Founded: 1822 

Fort Worth 

Population: 909,584 
State: Texas 
Population Change: +22.72%
Population Density: 2,491 per sq. mi. 
Founded: 1874

Columbus

Population: 898,553
State: Ohio 
Population Change: +14.17
Population Density: 3,936 per sq. mi. 
Founded: 1812 

Charlotte

Population: 885,705
State: North Carolina
Population Change: +21.09%
Population Density: 2,757 per sq. mi. 
Founded: 1755

San Francisco

Population: 881,549 
State: California
Population Change: +9.48%
Population Density: 18,569 per sq. mi.
Founded: 1776 

Indianapolis

Population: 876,334
State: Indiana 
Population Change: +6.82%
Population Density: 2,366 per sq. mi. 
Founded: 1821 

Seattle 

Population: 753,673 
State: Washington
Population Change: +23.83%
Population Density: 8,405 per sq. mi. 
Founded: 1851 

Denver 

Population: 734,134 
State: Colorado
Population Change: +21.17%
Population Density: 4,521 per sq. mi. 
Founded: 1858 

Washington 

Population: 705,749
State: District of Columbia 
Population Change: +17.29%
Population Density: 11,148 per sq. mi. 
Founded: 1790 

Boston 

Population: 692,600 
State: Massachusetts 
Population Change: +12.14%
Population Density: 13,938 per sq. mi. 
Founded: 1630 

El Paso 

Population: 681,728
State: Texas
Population Change: +5.02% 
Population Density: 2,660 per sq. mi.
Founded: 1680

Nashville

Population: 694,144
State: Tennessee 
Population Change: +11.58%
Population Density: 1,388 per sq. mi. 
Founded: 1779 

Detroit

Population: 670,731 
State: Michigan 
Population Change: -6.13% 
Population Density: 4,847 per sq. mi. 
Founded: 1701 

Oklahoma City 

Population: 655,057
State: Oklahoma 
Population Change: +12.94%
Population Density: 1,503 per sq. mi. 
Founded: 1889