U.S. States And Their Border States

Last updated on August 1st, 2021

Of the 50 states in the United States, forty-eight are contiguous, meaning they are next to each other. While Alaska (the largest and most sparsely populated) and Hawaii (an isolated volcanic archipelago) are the non-contiguous states. Below is a list of the fifty states in the United States with the names of their bordering states. (Click here for the list of 50 states and their abbreviations)

Maine: borders only one other U.S. state.

Missouri and Tennessee: each share borders with eight states.

Serial numberState nameBordering StateNumber of bordering states
1.AlabamaMississippi, Tennessee, Florida, Georgia4
2.AlaskaNoneNone
3.ArizonaNevada, New Mexico, Utah, California, Colorado5
4.ArkansasOklahoma, Tennessee, Texas, Louisiana, Mississippi, Missouri
6
5.CaliforniaOregon, Arizona, Nevada
3
6.ColoradoNew Mexico, Oklahoma, Utah, Wyoming, Arizona, Kansas, Nebraska7
7.ConnecticutNew York, Rhode Island, Massachusetts3
8.DelawareNew Jersey, Pennsylvania, Maryland3
9.FloridaGeorgia, Alabama
2
10.GeorgiaNorth Carolina, South Carolina, Tennessee, Alabama, Florida 5
11.HawaiiNoneNone
12.IdahoUtah, Washington, Wyoming, Montana, Nevada, Oregon6
13.IllinoisKentucky, Missouri, Wisconsin, Indiana, Iowa, Michigan (water border only)6
14.IndianaMichigan, Ohio, Illinois, Kentucky
4
15.IowaNebraska, South Dakota, Wisconsin, Illinois, Minnesota, Missouri6
16.KansasNebraska, Oklahoma, Colorado, Missouri 4
17.KentuckyTennessee, Virginia, West Virginia, Illinois, Indiana, Missouri, Ohio7
18.LouisianaTexas, Arkansas, Mississippi3
19.Maine
(The state which borders only one other U.S. state.)		New Hampshire
1
20.MarylandVirginia, West Virginia, Delaware, Pennsylvania4
21.MassachusettsNew York, Rhode Island, Vermont, Connecticut, New Hampshire5
22.MichiganOhio, Wisconsin, Illinois, Indiana, Minnesota (water border)5
23.MinnesotaNorth Dakota, South Dakota, Wisconsin, Iowa, Michigan (water border)5
24.MississippiLouisiana, Tennessee, Alabama, Arkansas
4
25.Missouri
(The state which touches the most other states.)		Nebraska, Oklahoma, Tennessee, Arkansas, Illinois, Iowa, Kansas, Kentucky8
26.MontanaSouth Dakota, Wyoming, Idaho, North Dakota4
27.NebraskaMissouri, South Dakota, Wyoming, Colorado, Iowa, Kansas, 6
28.NevadaIdaho, Oregon, Utah, Arizona, California5
29.New HampshireVermont, Maine, Massachusetts
3
30.New JerseyPennsylvania, Delaware, New York3
31.New MexicoOklahoma, Texas, Utah, Arizona, Colorado5
32.New YorkPennsylvania, Rhode Island (water border), Vermont, Connecticut, Massachusetts, New Jersey6
33.North CarolinaTennessee, Virginia, Georgia, South Carolina4
34.North DakotaSouth Dakota, Minnesota, Montana
3
35.OhioMichigan, Pennsylvania, West Virginia, Indiana, Kentucky5
36.OklahomaMissouri, New Mexico, Texas, Arkansas, Colorado, Kansas6
37.OregonNevada, Washington, California, Idaho4
38.PennsylvaniaNew York, Ohio, West Virginia, Delaware, Maryland, New Jersey6
39.Rhode IslandMassachusetts, New York (water border), Connecticut
3
40.South CarolinaNorth Carolina, Georgia, 2
41.South DakotaNebraska, North Dakota, Wyoming, Iowa, Minnesota, Montana6
42.Tennessee
(The state which touches the most other states.)		Mississippi, Missouri, North Carolina, Virginia, Alabama, Arkansas, Georgia, Kentucky8
43.TexasNew Mexico, Oklahoma, Arkansas, Louisiana4
44.UtahNevada, New Mexico, Wyoming, Arizona, Colorado, Idaho6
45.VermontNew Hampshire, New York, Massachusetts3
46.VirginiaNorth Carolina, Tennessee, West Virginia, Kentucky, Maryland5
47.WashingtonOregon, Idaho2
48.West VirginiaPennsylvania, Virginia, Kentucky, Maryland, Ohio5
49.WisconsinMichigan, Minnesota, Illinois, Iowa4
50.WyomingNebraska, South Dakota, Utah, Colorado, Idaho, Montana6