| Demographics | House District 31 |
|---|
| Population | |
|---|
| Population Change | |
|---|
| Total Population 2000 | 10,113 |
| Total Population 2010 | 9,837 |
| Percent of change from 2000 to 2010 Census | -2.81% |
| Age | |
|---|
| Total Reported | |
|---|
| Age 5 to 9 Years | 861 |
| 10 to 14 Years | 807 |
| 15 to 17 Years | 569 |
| 18 to 19 Years | 337 |
| 20 to 24 Years | 716 |
| 25 to 34 Years | 1,118 |
| 35 to 44 Years | 998 |
| 45 to 54 Years | 1,407 |
| 55 to 59 Years | 633 |
| 60 to 64 Years | 449 |
| 65 to 74 Years | 541 |
| 75 to 84 Years | 314 |
| 85 Years and Over | 114 |
| Percent | |
|---|
| Percent Under 5 Years | 9.89% |
| Percent 18 & Over | 67.37% |
| Percent 62 Years and Over | 12.28% |
| Percent 65 Years and Over | 9.85% |
| Percent 85 Years and Over | 1.16% |
| Bands | |
|---|
| Age 0 to 17 | 3,210 |
| 18 to 24 Years | 1,053 |
| 25 to 44 Years | 2,116 |
| 45 to 64 Years | 2,489 |
| 62 Years and Over | 1,208 |
| 65 Years and Over | 969 |
| Under 5 Years | 973 |
| 15 to 19 Years | 906 |
| 18 & Over | 6,627 |
| 21 & Over | 6,152 |
| Sex | |
|---|
| Males | 4,818 |
| Females | 5,019 |
| Males 18 & Over | 3,225 |
| Females 18 & Over | 3,402 |
| Males 65 & Over | 409 |
| Females 65 & Over | 560 |
| Race | |
|---|
| Total Reported | |
|---|
| White | 3,151 |
| Black or African American | 25 |
| American Indian and Alaska Native | 6,845 |
| Asian | 66 |
| Native Hawaiian and Other Pacific Islander | 6 |
| Some Other Race | 19 |
| Hispanic or Latino (of any race) | 118 |
| Not Hispanic or Latino | 9,719 |
| White Alone Not Hispanic | 2,879 |
| Number of Races Reported | |
|---|
| One Race | 9,576 |
| Two or More Races Reported | 261 |
| Two Races | 247 |
| Three Races | 14 |
| Four Races | 0 |
| Five Races | 0 |
| Six Races | 0 |
| 18 Years and Over - Total Reported | |
|---|
| White | 2,537 |
| Black or African American | 9 |
| American Indian and Alaska Native | 4,140 |
| Asian | 45 |
| Native Hawaiian and Other Pacific Islander | 3 |
| Some Other Race | 11 |
| 18 Years and Over - Number of Races Reported | |
|---|
| Two or More Races Reported | 115 |
| Two Races | 112 |
| Three Races | 3 |
| Four Races | 0 |
| Five Races | 0 |
| Six Races | 0 |
| Households | |
|---|
| Households - Units | |
|---|
| Total Households | 3,271 |
| Households With Individuals Under 18 Years | 1,449 |
| Households With Individuals 65 Years and Over | 706 |
| Family Households | |
|---|
| Family Households (Families) | 2,374 |
| With Own Children Under 18 Years | 1,093 |
| Married Couple Family | 1,330 |
| Married Couple Family - With Own Children Under 18 Years | 536 |
| Female householder No Husband Present | 743 |
| Female householder No Husband Present - With Own Children Under 18 Years | 384 |
| Nonfamily Households | |
|---|
| Non Family Households | 897 |
| Householder Living Alone | 755 |
| Householder 65 Years and Over | 655 |
| Housing | |
|---|
| Housing Occupancy | |
|---|
| Total Housing Units | 3,818 |
| Occupied Housing Units | 3,271 |
| Owner Occupied | 1,994 |
| Renter Occupied | 1,277 |
| Vacant Housing Units | 547 |
| Vacant for Rent | 58 |
| Vacant for Sale | 36 |
| Vacant for Seasonal, Recreation or Occasional Use | 239 |
| Housing Tenure | |
|---|
| Total Owner Units Including Units for Sale | 2,030 |
| Total Rental Units Including Units Vacant for Rent | 1,335 |
| Population in Owner-Occupied Units | 5,491 |
| Population in Rented Units | 4,183 |
| Industries | House District 31 |
|---|
| Natural Resources | |
|---|
| Energy Wells, Active | |
|---|
| Coal bed methane | 0 |
| Gas | 34 |
| Gas storage | 0 |
| Injection | 3 |
| Oil | 45 |
| Energy Pipeline (1 or more miles) | |
|---|
| Crude oil | 12 |
| Liquefied petroleum gas | 0 |
| Natural gas | 141 |
| Refined product | 0 |
| Libraries | House District 31 |
|---|
| Library Type | |
|---|
| Total | 25 |
| Public | 2 |
| Branches | 4 |
| Bookmobiles | 0 |
| Academic | 1 |
| Institutional | 0 |
| School | 18 |
| Special | 0 |
| Other | 0 |
| Land | House District 31 |
|---|
| Land Ownership (square miles) | |
|---|
| Private | 1,418 |
| Local government | 11 |
| Montana Fish, Wildlife, and Parks | 9 |
| State trust land | 1,117 |
| Other state land | <1 |
| US Bureau of Land Management | 129 |
| US Fish and Wildlife Service | 198 |
| US Forest Service | <1 |
| US National Park Service | <1 |
| Other federal land | 2 |
| Conservation Easements (acres) | |
|---|
| Bitter Root Land Trust | 0 |
| City Government | 0 |
| Clark Fork-Pend Oreille Conservancy | 0 |
| County Government | 0 |
| Ducks Unlimited | 0 |
| Five Valleys Land Trust | 0 |
| Flathead Land Trust | 0 |
| Gallatin Valley Land Trust | 0 |
| Humane Society Wildlife Land Trust | 0 |
| Kaniksu Land Trust Inc. | 0 |
| Montana Conservation Trust | 0 |
| Montana Dept of Transportation | 0 |
| Montana Fish, Wildlife, and Parks | 18,525 |
| Montana Land Reliance | 0 |
| Mule Deer Foundation | 0 |
| National Wildlife Federation | 0 |
| Prickly Pear Land Trust | 0 |
| Rattlesnake Land Trust | 0 |
| Rocky Mountain Elk Foundation | 0 |
| Salish ad Kootenai Tribal Lands | 0 |
| The Bighorn Institute | 0 |
| The Conservation Fund | 0 |
| The Nature Conservancy | 0 |
| US Bureau of Reclamation | 0 |
| US Dept of Agriculture | 0 |
| US Fish and Wildlife Service | 0 |
| US Forest Service | 0 |
| US Government | 0 |
| Vital Ground Foundation | 0 |
| Land in Agricultural Use (acres) | |
|---|
| Continuously cropped | <1 |
| Fallow | 325,348 |
| Grazing | 531,898 |
| Hay (non-irrigated) | 5,010 |
| Irrigated (hay or crop) | 39,906 |
| Noncommercial forest | 5,023 |
| Forest | 243 |
| Wildlife | House District 31 |
|---|
| Recreation Acres | |
|---|
| Fishing access sites | 184 |
| Fishing conservation areas | 0 |
| State parks | 0 |
| Wildlife conservation easements | 18,529 |
| Wildlife protection areas | 0 |
| Wildlife management areas | 2 |
| Block Management (acres) | |
|---|
| Block management (acres) | 125,532 |
