The United States acquired the area of Wyoming from France as part of the Louisiana Purchase in 1803, from Great Britain as part of a treaty in 1846, and from territory ceded by Mexico in 1848. Wyoming Territory was organized from part of Dakota, Idaho, and Utah territories on July 25, 1868, with generally the same boundary as the present state.
Census data are available for Wyoming beginning with the 1870 census.
Census data for the legally established state of Wyoming are available beginning with the 1900 census.
See: Geographic Terms & Concepts
Counties & County Equivalents
Interactive Map of Wyoming Counties | Static Overview Map of Wyoming Counties
There are 23 counties in Wyoming. All counties are functioning governmental units, each governed by a board of commissioners.
There are 71 county subdivisions in Wyoming. They are all census county divisions (CCDs), which are delineated for statistical purposes, have no legal function, and are not governmental units.
Places (Incorporated Cities, Towns & Census Designated Places (CDPs))
Wyoming has 203 places; 99 incorporated places and 104 census designated places (CDPs). The incorporated places consist of 19 cities and 80 towns. The minimum population for incorporation in Wyoming is 500.
Alphabetical List of Cities, Towns, CDPs and Other Populated Places
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q, R | S | T | U, V | W, X, Y, Z
Wyoming Civil Features
Wyoming Civil Features: Political Subdivisions, Native Areas, Land Grants, etc. - sorted by Census Class Codes.
Metropolitan and Micropolitan Statistical Areas
There are 2 Metropolitan and 7 Micropolitan Statistical Areas in Wyoming. WY Metopolitan & Micropolitan Areas
Wyoming ZIP Code Tabulation Areas
There are 179 ZIP Code tabulation areas (ZCTAs) in Wyoming. View Wyoming ZIP Codes and ZIP Code Maps.
Wyoming has 49 unified school districts. View Wyoming Public and Private Schools.
Wyoming has 1 congressional districts. An interactive map shows the contact information for each Representative as well as the boundaries for each Wyoming district. View Map of Wyoming Congressional Districts.
State Legislative Districts
There are 30 state senate districts and 60 state house districts in Wyoming.
American Indian Areas
Wyoming has one American Indian reservation with off-reservation trust land.