Massachusetts has 14 counties, though several have lost their governmental functions. The most populous counties are Middlesex County (Cambridge), Worcester County, Suffolk County (Boston), Essex County, Norfolk County, Plymouth County, Bristol County, Hampden County,...
Maryland has 24 counties (including Baltimore City, which is independent of any county). The most populous counties are Montgomery County, Prince George’s County, Baltimore County, Baltimore City, Anne Arundel County, Howard County, Harford County,...
Maine has 16 counties. The most populous counties are Cumberland County (Portland), York County, Penobscot County (Bangor), Androscoggin County (Lewiston), Kennebec County (Augusta), Aroostook County, Oxford County, Somerset County, Knox County, and Sagadahoc County....
Louisiana has 64 parishes, which are equivalent to counties in other states. The most populous parishes are East Baton Rouge Parish (Baton Rouge), Jefferson Parish, Orleans Parish (New Orleans), St. Tammany Parish, Lafayette Parish,...
Kentucky has 120 counties. The most populous counties are Jefferson County (Louisville), Fayette County (Lexington), Kenton County, Boone County, Warren County (Bowling Green), Hardin County, Daviess County (Owensboro), Campbell County, Madison County, and Christian...
Kansas has 105 counties. The most populous counties are Johnson County (Overland Park), Sedgwick County (Wichita), Shawnee County (Topeka), Wyandotte County (Kansas City), Douglas County (Lawrence), Leavenworth County, Riley County (Manhattan), Butler County, Reno...
Iowa has 99 counties. The most populous counties are Polk County (Des Moines), Linn County (Cedar Rapids), Scott County (Davenport), Black Hawk County (Waterloo), Johnson County (Iowa City), Woodbury County (Sioux City), Dubuque County,...
Indiana has 92 counties. The most populous counties are Marion County (Indianapolis), Lake County, Allen County (Fort Wayne), Hamilton County, St. Joseph County, Elkhart County, Tippecanoe County, Vanderburgh County, Hendricks County, and Madison County....
Illinois has 102 counties. The most populous counties are Cook County (Chicago), DuPage County, Lake County, Will County, Kane County, McHenry County, Winnebago County, Madison County, St. Clair County, and Sangamon County (Springfield). Cook...
Idaho has 44 counties. The most populous counties are Ada County (Boise), Canyon County, Kootenai County, Bonneville County, Bannock County, Twin Falls County, Bonner County, Bingham County, Nez Perce County, and Madison County. Ada...
Hawaii has 5 counties, each encompassing entire islands or groups of islands. The counties are Honolulu County (Oahu), Hawaii County (the Big Island), Maui County (Maui, Molokai, and Lanai), Kauai County (Kauai and Niihau),...
Georgia has 159 counties, the second most of any state after Texas. The largest counties by population are Fulton County (Atlanta), Gwinnett County, Cobb County, DeKalb County, Clayton County, Chatham County (Savannah), Cherokee County,...
Florida has 67 counties. The most populous counties include Miami-Dade County, Broward County, Palm Beach County, Hillsborough County (Tampa), Orange County (Orlando), Pinellas County (St. Petersburg), Duval County (Jacksonville), Lee County (Fort Myers), Polk...
Connecticut is unique in that it has 8 counties, but they no longer serve governmental functions. Instead, cities and towns manage most local governance. However, the counties still exist for administrative purposes. The largest...
Colorado has 64 counties. The most populous counties are Denver County (which is also a consolidated city-county), El Paso County (Colorado Springs), Arapahoe County, Jefferson County, Adams County, Douglas County, Boulder County, Larimer County,...
California has 58 counties. The largest counties by population are Los Angeles County (the most populous county in the U.S.), San Diego County, Orange County, Riverside County, San Bernardino County, Santa Clara County, Alameda...
Arkansas has 75 counties. The top 10 most populous counties include Pulaski County (Little Rock), Benton County, Washington County, Sebastian County, Faulkner County, Saline County, Craighead County, Garland County, Jefferson County, and White County....
Arizona has 15 counties. The most populous counties are Maricopa County (Phoenix and surrounding areas), Pima County (Tucson), Pinal County, Yavapai County, Yuma County, Mohave County, Coconino County, Cochise County, Navajo County, and Apache...
Delaware has 3 counties, the fewest of any state. These are New Castle County (Wilmington), Kent County (Dover), and Sussex County (Georgetown). New Castle County is by far the most populous and is the...
Alaska has 29 boroughs and census areas, which function similarly to counties in other states. The most populous boroughs in Alaska are Anchorage Municipality, Matanuska-Susitna Borough, Fairbanks North Star Borough, Kenai Peninsula Borough, Juneau...
Alabama has 67 counties. The most populous counties in Alabama are Jefferson County (home to Birmingham), Mobile County (Mobile), Madison County (Huntsville), Montgomery County (Montgomery), Tuscaloosa County (Tuscaloosa), Baldwin County (Daphne and Gulf Shores),...
Washington County, located in southwestern Alabama, is the oldest county in the state, established in 1800, even before Alabama became a state. It was named in honor of George Washington, the first President of...
Wilcox County, located in the southwestern part of Alabama, was established in 1819 and named after Lieutenant Joseph M. Wilcox, a hero of the Creek War. The county is known for its rural landscape,...
Walker County, Alabama, is located in the north-central part of the state. Established in 1823, the county was named after John Williams Walker, a U.S. Senator from Alabama. Its early economy was based on...
Tuscaloosa County, located in west-central Alabama, was founded in 1818, one year before Alabama became a state. It was named after the famed Native American leader Chief Tuskaloosa, who fought against Spanish explorers in...
Tallapoosa County, located in east-central Alabama, was established in 1832 and named after the Tallapoosa River, which flows through the region. The river, along with Lake Martin, has played a vital role in the...
Talladega County, located in the central part of Alabama, is known for its rich history and diverse landscapes, from mountainous terrain to fertile plains. The county was established in 1832 and was named after...
Sumter County, located in the west-central part of Alabama, was established in 1832 and named after General Thomas Sumter, a hero of the American Revolutionary War. The county is part of the Alabama Black...
Shelby County is located in the central part of Alabama and was founded in 1818. It was named after Isaac Shelby, a Revolutionary War hero and the first Governor of Kentucky. The county has...
St. Clair County, located in north-central Alabama, was established in 1818 and is named after General Arthur St. Clair, a hero of the American Revolution. It is one of the few counties in the...