Category:20th century in the United States by city

• 20th century in California by city (20 C)

0–9

• 1900s in the United States by city (24 C)
• 1910s in the United States by city (25 C)
• 1920s in the United States by city (26 C)
• 1930s in the United States by city (25 C)
• 1940s in the United States by city (27 C)
• 1950s in the United States by city (25 C)
• 1960s in the United States by city (35 C)
• 1970s in the United States by city (35 C)
• 1980s in the United States by city (39 C)
• 1990s in the United States by city (44 C)

A

• 20th century in Albany, New York (4 P)
• 20th century in Arlington, Texas (11 P)
• 20th century in Atlanta (7 C, 4 P)

B

• 20th century in Baltimore (10 C, 1 P)
• 20th century in Birmingham, Alabama (2 C, 4 P)
• 20th century in Boston (10 C, 63 P)
• 20th century in Buffalo, New York (3 C, 9 P)

C

• 20th-century in Charleston, South Carolina (3 P)
• 20th century in Charlotte, North Carolina (2 C, 9 P)
• 20th century in Chicago (11 C, 29 P)
• 20th century in Cincinnati (7 C, 3 P)
• 20th century in Cleveland (10 C, 2 P)
• 20th century in Colorado Springs, Colorado (5 C)
• 20th century in Columbia, Missouri (6 P)
• 20th century in Columbus, Ohio (17 P)

D

• 20th century in Dallas (4 C, 8 P)
• 20th century in Denver (5 C, 3 P)
• 20th century in Detroit (10 C, 1 P)
• 20th century in Duluth, Minnesota (4 P)

E

• 20th century in East Rutherford, New Jersey (88 P)

F

• 20th century in Fort Worth, Texas (2 P)

H

• 20th century in Hartford, Connecticut (1 C, 11 P)
• 20th century in Honolulu (1 C, 1 P)
• 20th century in Houston (5 C, 3 P)

I

• 20th century in Indianapolis (2 C, 5 P)

J

• 20th century in Jackson, Mississippi (2 P)
• 20th century in Jacksonville, Florida (1 C, 31 P)

K

• 20th century in Kansas City, Missouri (25 P)

L

• 20th century in Las Vegas (7 P)
• 20th century in Louisville, Kentucky (4 C, 6 P)

M

• 20th century in Miami (4 C, 5 P)
• 20th century in Milwaukee (8 C, 2 P)
• 20th century in Minneapolis (9 C, 1 P)

N

• 20th century in Nashville, Tennessee (39 P)
• 20th century in New Orleans (4 C, 23 P)
• 20th century in New York City (17 C, 16 P)
• 20th century in Newark, New Jersey (3 P)

O

• 20th century in Orlando, Florida (2 C, 3 P)

P

• 20th century in Philadelphia (10 C)
• 20th century in Phoenix, Arizona (1 C, 10 P)
• 20th century in Pittsburgh (11 C)
• 20th century in Portland, Maine (16 P)
• 20th century in Portland, Oregon (10 C, 5 P)

R

• 20th century in Raleigh, North Carolina (18 P)
• 20th century in Rochester, New York (2 P)

S

• 20th century in Saint Paul, Minnesota (4 P)
• 20th century in Salt Lake City (2 C, 1 P)
• 20th century in San Antonio (3 C, 4 P)
• 20th century in Seattle (6 C, 5 P)
• 20th century in Springfield, Massachusetts (36 P)
• 20th century in St. Louis (9 C, 10 P)
• 20th century in St. Petersburg, Florida (7 P)

T

• 20th century in Tampa, Florida (2 C, 67 P)

W

• 20th century in Washington, D.C. (13 C)