Wyoming State Water Plan, Wyoming Water Development Office
Rafting on Snake River Lake Marie, Snowy Mountains Wyoming Wind River Range picture

STATEWIDE FRAMEWORK PLAN: Updated Data Tables
2007: Data Table

Actual and Projected Populations from Most Recent Update
River Basin Population1 30-Year Projections
High Scenario Mid Scenario Low Scenario
number of people
 Bear (2011)  15,078      16,274    
 Green (2010)2,3   60,284   134,225   104,225   66,464 
 Northeast (2003)   45,600   75,900   60,700   55,600 
 Platte (2006)   227,330   402,000   343,000   322,000 
 Powder/Tongue (2002)   38,420   52,400   49,100   45,000 
 Snake/Salt (2014)  34,473   50,679   42,033   36,413 
 Wind/Bighorn (2010)   89,452   114,600   99,700   94,490 
Total (2007)  494,190  840,600  690,600  619,900
Source: Wyoming Department of Administration and Information, Economic Analysis Division. Profile of General Housing Characteristics by County and Place, 2000. Census Tracts from 2000 Census of Population and Housing, Census 2000, U.S. Census Bureau.

Values in RED indicate basins updated since previous statewide plan.
  1. Current use was developed for Mid Scenario only.
  2. Individual basin numbers do not total to 493,782, the 2000 census population, due to differences experienced in disaggregation and assignment of census block data to the river basin areas.
  3. 50-Year Projections.
  4. 20-Year Projections.