Multiple species are listed in decreasing frequency of sightings.

United States

Alabama
Ruby-throated, Rufous, Black-chinned, Allen's, Buff-bellied, Calliope, Broad-tailed, Anna's, Magnificent, Blue-throated, Green Violet-ear.

Alaska
Rufous, Anna's, Costa's, Ruby-throated.

Arizona
Black-chinned, Broad-billed, Anna's, Magnificent, Rufous, Broad-tailed, Allen's, Blue-throated, Costa's, Calliope, Violet-crowned, Berylline, Lucifer, White-eared, Plain-capped Starthroat, Cinnamon, Ruby-throated. A Bumblebee was sighted in 1994.

Arkansas
Ruby-throated, Rufous, Black-chinned, Anna's, Buff-bellied, Magnificent, Broad-tailed, Calliope, Green Violet-ear.

California
Anna's, Black-chinned, Costa's, Rufous, Calliope, Allen's, Broad-tailed, Broad-billed, Blue-throated, Violet-crowned, Ruby-throated, Xantus', Green Violet-ear.

Colorado
Broad-tailed, Rufous, Black-chinned, Calliope, Blue-throated, Magnificent, Anna's, Ruby-throated, Broad-billed, White-eared, Green Violet-ear.

Connecticut
Ruby-throated, Rufous, Calliope.

Delaware
Ruby-throated, Rufous.

District of Columbia
Ruby-throated, Rufous.

Florida
Ruby-throated, Rufous, Black-chinned, Calliope, Cuban Emerald, Bahama Woodstar, Buff-bellied, Anna's.

Georgia
Ruby-throated, Rufous, Black-chinned, Magnificent, Allen's, Broad-tailed, Anna's.

Hawaii
No hummingbirds reported.

Idaho
Black-chinned, Rufous, Calliope, Broad-tailed, Anna's, Broad-billed.

Illinois
Ruby-throated, Rufous, Broad-billed, Allen's.

Indiana
Ruby-throated, Rufous, Black-chinned.

Iowa
Ruby-throated, Rufous.

Kansas
Ruby-throated, Rufous, Broad-tailed, Calliope, Black-chinned, Anna's, Magnificent, Allen's, Costa's, Broad-billed.

Kentucky
Ruby-throated, Rufous, Green Violet-ear.

Louisiana
Ruby-throated, Rufous, Black-chinned, Buff-bellied, Allen's, Broad-tailed, Anna's, Calliope, Blue-throated, Broad-billed, Green Violet-ear, Magnificent, Green-breasted Mango.

Maine
Ruby-throated, Rufous.

Maryland
Ruby-throated, Rufous.

Massachusetts
Ruby-throated, Allen's, Rufous.

Michigan
Ruby-throated, Rufous, Broad-billed, Green Violet-ear, White-eared.

Minnesota
Ruby-throated, Rufous, Calliope, Magnificent, Anna's.

Mississippi
Ruby-throated, Rufous, Buff-bellied, Black-chinned, White-eared, Calliope, Broad-tailed, Anna's, Allen's, Green Violet-ear.

Missouri
Ruby-throated, Rufous, Anna's, Calliope, Green Violet-ear, Black-chinned, Broad-tailed, Allen's.

Montana
Calliope, Rufous, Black-chinned, Anna's, Broad-tailed.

Nebraska
Ruby-throated, Rufous, Broad-tailed, Calliope.

Nevada
Black-chinned, Anna's, Broad-tailed, Rufous, Calliope, Costa's, Allen's, Magnificent, Broad-billed.

New Hampshire
Ruby-throated, Rufous.

New Jersey
Ruby-throated, Rufous.

New Mexico
Black-chinned, Broad-tailed, Rufous, Calliope, Broad-billed, Violet-crowned, Costa's, Anna's, Magnificent, Ruby-throated, Blue-throated, White-eared, Lucifer, Cinnamon, Berylline. Allen's, Plain-capped Starthroat.

New York
Ruby-throated, Rufous, Calliope.

North Carolina
Ruby-throated, Rufous, Green Violet-ear, Calliope, Green-breasted Mango.

North Dakota
Ruby-throated, Rufous.

Ohio
Ruby-throated, Rufous, Calliope, Green Violet-ear, Anna's.

Oklahoma
Ruby-throated, Black-chinned, Rufous, Calliope, Broad-tailed, Anna's, Green Violet-ear.

Oregon
Rufous, Anna's, Calliope, Black-chinned, Costa's, Allen's, Broad-tailed. Broad-billed.

Pennsylvania
Ruby-throated, Rufous, Anna's, Allen's, Calliope.

Rhode Island
Ruby-throated, Rufous.

South Carolina
Ruby-throated, Rufous, Green Violet-ear.

South Dakota
Ruby-throated, Rufous, Broad-tailed, Calliope.

Tennessee
Ruby-throated, Rufous, Black-chinned, Allen's, Calliope.

Texas
Ruby-throated, Black-chinned, Broad-tailed, Anna's, Rufous, Magnificent, Lucifer, Buff-bellied, Blue-throated, Costa's, Green Violet-ear, Allen's, Calliope, Broad-billed, Violet-crowned, White-eared, Green-breasted Mango, Berylline. Antillean Crested, Rufous-tailed.

Utah
Black-chinned, Broad-tailed, Calliope, Rufous, Costa's, Anna's, Broad-billed, Magnificent, Blue-throated.

Vermont
Ruby-throated, Rufous.

Virginia
Ruby-throated, Rufous, Allen's.

Washington
Anna's, Rufous, Black-chinned, Calliope

West Virginia
Ruby-throated, Rufous, Black-chinned, Green Violet-ear.

Wisconsin
Ruby-throated, Rufous, Anna's, Green Violet-ear.

Wyoming
Broad-tailed, Calliope, Rufous, Black-chinned, Magnificent, Anna's.

Canada

Alberta
Ruby-throated, Rufous, Calliope, Black-chinned, Anna's, Costa's, Green Violet-ear.

British Columbia
Rufous, Calliope, Black-chinned, Anna's, Costa's, Ruby-throated, Allen's, Xantus'.

Manitoba
Ruby-throated, Rufous, Broad-tailed.

New Brunswick
Ruby-throated, Rufous Black-chinned, Broad-billed.

Newfoundland
Ruby-throated, Rufous.

Northwest Territories
Ruby-throated, Rufous.

Nova Scotia
Ruby-throated, Rufous.

Ontario
Ruby-throated, Rufous, Green Violet-ear, Broad-billed, Black-chinned.

Prince Edward Island
Ruby-throated.

Québec
Ruby-throated, Rufous, Anna's.

Saskatchewan
Ruby-throated, Calliope, Rufous, Black-chinned.

Yukon
Rufous.