Platte County was an unorganized county

County (United States)

In the United States, a county is a geographic subdivision of a state , usually assigned some governmental authority. The term "county" is used in 48 of the 50 states; Louisiana is divided into parishes and Alaska into boroughs. Parishes and boroughs are called "county-equivalents" by the U.S...

 of the Territory of Colorado that existed for two years from 1872 to 1874. Platte County was created from, and reverted to, Weld County, Colorado

Weld County, Colorado

As of the census of 2000, there were 180,936 people, 63,247 households, and 45,221 families residing in the county. The population density was 45 people per square mile . There were 66,194 housing units at an average density of 17 per square mile...

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History

On 1872-02-09, the Colorado General Assembly

Colorado General Assembly

The Colorado General Assembly is the state legislature of the State of Colorado.-Constitutional definition:The Colorado Constitution establishes a system of government based on the separation of powers doctrine with power divided among three "departments": executive, legislative and judicial...

 created Platte County from the eastern portion of Weld County

Weld County, Colorado

As of the census of 2000, there were 180,936 people, 63,247 households, and 45,221 families residing in the county. The population density was 45 people per square mile . There were 66,194 housing units at an average density of 17 per square mile...

. Platte County expired on 1874-02-09, after organizers failed to secure voter approval. The territory of the county reverted to Weld County

Weld County, Colorado

As of the census of 2000, there were 180,936 people, 63,247 households, and 45,221 families residing in the county. The population density was 45 people per square mile . There were 66,194 housing units at an average density of 17 per square mile...

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