|MS State Facts|
|Territory: Apr 7, 1798|
|Statehood: Dec 10, 1817|
|Borders: AL, TN, AR, LA|
|MS Land Ownership Maps|
|MS Maps & Atlases|
|MS Birth, Marriage & Deaths|
|MS Military Databases|
|MS Record Collections|
|MS Historical Newspapers|
|Create a Free Family Tree|
Today’s Mississippi counties did not always exist in the present form. They went through many different changes in the space of a few short years.
Mississippi Territorial Counties
The Mississippi Territory existed from April 7, 1798, until December 10, 1817.
The State of Mississippi entered the union as the 20th state on December 10, 1817.
Mississippi Counties Today
Fun Facts about Mississippi Counties
Counties by Year
- Adams and Jefferson Counties was the original 2 counties created on April 2, 1799.
- Humphreys County was the last county created on March 28, 1918.
County Size Facts
- Yazoo County (920 sq mi) is the largest county in Mississippi.
- Alcorn County (400 sq mi) is the smallest county in Mississippi.
County Population Facts
- Issaquena County (1,406) is the least populated county in Mississippi.
- Hinds County (245,285) is the most populated county in Mississippi.
Mississippi City Facts
Mississippi’s 10 largest cities (2010) are:
- Jackson (173,514) is in Hinds, Madison and Rankin Counties
- Gulfport (67,793) is in Harrison County
- Southhaven (48,982) is in DeSoto County
- Hattiesburg (45,989) is in Mississippi and Lamar Counties
- Biloxi (44,054) is in Harrison County
- Meridian (41,148) is in Lauderdale County
- Tupelo (34,211) is in Lee County
- Greenville (34,400) is in Washington County
- Olive Branch (33,484) is in DeSoto County
- Horn Lake (26,066) is in DeSoto County
Boundary Changes of Mississippi Counties from 1785-1918
This Interactive Map of Mississippi Counties show the historical boundaries, names, organization, and attachments of every county, extinct county and unsuccessful county proposal from 1785 to 1918.
List of Mississippi Counties
|County||Created||Created From||Named For||County Seat||Notes|
List of Old Former / Extinct Mississippi Counties
Mississippi contains some counties that no longer exist because they were discontinued, renamed or merged with another county. These are important for genealogy research purposes.
The below counties formerly within the area of the State of Mississippi no longer exist:
Bainbridge County, Mississippi
Created on January 17, 1823 from Covington County.
Bainbridge County merged back with Covington County on January 21, 1824.
Bourbon County, Georgia
Created on February 7, 1785 from the Natchez Region.
Bourbon County eliminated by the state of Georgia on February 1, 1788.
Colfax County, Mississippi
Colfax County renamed to Clay County on April 10, 1876.
Davis County, Mississippi
Pickering County, Mississippi Territory
Created on April 2, 1799 from unorganized land. Pickering County renamed to Jefferson County on January 11, 1802.