| SIOUX Resident total population estimate (July 1) 2009 | 1281 |
| SIOUX Resident total population estimates base (April 1) 2000 | 1475 |
| SIOUX Resident total population estimate percent change - April 1 2000 to July 1 2009 | -13.2 |
| SIOUX Resident total population estimate net change - April 1 2000 to July 1 2009 | -194 |
| SIOUX Resident population (April 1) 2000 (complete count) | 1475 |
| SIOUX Resident population under 5 years (July 1 - estimate) 2008 | 58 |
| SIOUX Resident population under 5 years percent (July 1 - estimate) 2008 | 4.5 |
| SIOUX Resident population under 18 years (July 1 - estimate) 2008 | 240 |
| SIOUX Resident population under 18 years percent (July 1 - estimate) 2008 | 18.6 |
| SIOUX Resident population 65 years and over percent (July 1 - estimate) 2008 | 14.9 |
| SIOUX Resident population 65 years and over (July 1 - estimate) 2008 | 192 |
| SIOUX Resident population: total females percent (July 1 - estimate) 2008 | 47.4 |
| SIOUX Resident population: White alone (July 1 - estimate) 2008 | 1275 |
| SIOUX Resident population: Black alone (July 1 - estimate) 2008 | 0 |
| SIOUX Resident population: American Indian and Alaska Native alone (July 1 - estimate) 2008 | 2 |
| SIOUX Resident population: Asian alone (July 1 - estimate) 2008 | 3 |
| SIOUX Resident population: Native Hawaiian and Other Pacific Islander alone (July 1 - estimate) 2008 | 0 |
| SIOUX Resident population: Two or more races (July 1 - estimate) 2008 | 7 |
| SIOUX Resident population: Hispanic or Latino Origin (July 1 - estimate) 2008 | 45 |
| SIOUX Resident population: Not Hispanic White alone (July 1 - estimate) 2008 | 1231 |
| SIOUX Resident population: White alone percent (July 1 - estimate) 2008 | 99.1 |
| SIOUX Resident population: Black alone percent (July 1 - estimate) 2008 | 0 |
| SIOUX Resident population: American Indian and Alaska Native alone percent (July 1 - estimate) 2008 | 0.2 |
| SIOUX Resident population: Asian alone percent (July 1 - estimate) 2008 | 0.2 |
| SIOUX Resident population: Native Hawaiian and Other Pacific Islander alone percent (July 1 - estimate) 2008 | 0 |
| SIOUX Resident population: Two or more races percent (July 1 - estimate) 2008 | 0.5 |
| SIOUX Resident population: Hispanic or Latino Origin percent (July 1 - estimate) 2008 | 3.5 |
| SIOUX Resident population: Not Hispanic White alone percent (July 1 - estimate) 2008 | 95.6 |
| SIOUX Births 2006 | 10 |
| SIOUX Deaths 2006 | 8 |
| SIOUX Infant deaths under one year 2006 | 0 |
| SIOUX Population 5 years and over by residence in 1995 - percent in same house 2000 (sample) | 60.5 |
| SIOUX Percent foreign born population 2000 (sample) | 1.3 |
| SIOUX Population 5 years and over percent speaking language other than English at home 2000 (sample) | 2.3 |
| SIOUX Educational attainment - persons 25 years and over - percent high school graduate or higher 2000 | 86.4 |
| SIOUX Educational attainment - persons 25 years and over - percent bachelors degree or higher 2000 | 21.5 |
| SIOUX Civilian noninstitutionalized population 5 years and over with a disability 2000 (sample) | 225 |
| SIOUX Average travel time to work for workers 16 years and over not working at home 2000 | 23 |
| SIOUX Housing unit estimates as of July 1 2008 | 802 |
| SIOUX Housing unit estimates - net change April 1 2000 (base) to July 1 2008 | 22 |
| SIOUX Housing unit estimates - percent change April 1 2000 (base) to July 1 2008 | 2.8 |
| SIOUX Owner-occupied housing units - percent of total occupied housing units 2000 (complete count) | 66.6 |
| SIOUX Median value of specified owner-occupied housing units 2000 (sample) | 42600 |
| SIOUX Housing units by units in structure - multiple units 2000 (sample) | 1.8 |
| SIOUX Households 2000 (complete count) | 605 |
| SIOUX Persons per household 2000 (complete count) | 2.44 |
| SIOUX Per capita income in 1999 | 15999 |
| SIOUX Median household income 2008 | 38862 |
| SIOUX People of all ages in poverty - percent 2008 | 13.1 |
| SIOUX Personal income 2007 | 26 |
| SIOUX Per capita personal income 2007 | 19503 |
| SIOUX Civilian labor force 2008 | 700 |
| SIOUX Civilian labor force unemployment 2008 | 25 |
| SIOUX Civilian labor force unemployment rate 2008 | 3.6 |
| SIOUX Employment in all industries (NAICS no code) 2007 | 695 |
| SIOUX Employment in all industries net change 2000 - 2007 | -6 |
| SIOUX Employment in government (NAICS 92) 2007 | 99 |
| SIOUX Earnings in all industries (NAICS no code) 2007 | 3747 |
| SIOUX Earnings in all industries (NAICS no code) average earnings per job 2007 | 5391 |
| SIOUX Private nonfarm establishments 2007 | 23 |
| SIOUX Private nonfarm employment for pay period including March 12 2007 | 67 |
| SIOUX Private nonfarm employment for pay period including March 12 2006 percent change 2000-2007 | 148.1 |
| SIOUX Nonemployer: total (NAICS 00) - establishments 2007 | 110 |
| SIOUX Accommodation and Food Services: total (NAICS 72) - sales of establishments with payroll 2002 | 0 |
| SIOUX Total number of firms 2002 | 78 |
| SIOUX Total Black-owned firms percent 2002 | 0 |
| SIOUX Total American Indian-and Alaska Native-owned firms percent 2002 | 0 |
| SIOUX Total Asian-owned firms percent 2002 | 0 |
| SIOUX Total Hispanic-owned firms percent 2002 | 0 |
| SIOUX Total Native Hawaiian-and Other Pacific Islander-owned firms percent 2002 | 0 |
| SIOUX Total women-owned firms percent 2002 | 0 |
| SIOUX Manufacturing: total (NAICS 31-33) - value of shipments 2002 | 0 |
| SIOUX Wholesale trade: total (NAICS 42) - sales of establishments with payroll 2002 | 0 |
| SIOUX Retail trade: total (NAICS 44-45) - sales of establishments with payroll 2002 | 0 |
| SIOUX Retail trade: total (NAICS 44-45) - sales of establishments with payroll per capita 2002 | 0 |
| SIOUX New private housing units authorized by building permits - total 2008 (20000-place universe) | 4 |
| SIOUX Valuation of new private housing units authorized by building permits 2008 (20000-place universe) | 155 |
| SIOUX Land in farms (NAICS) 2007 (acres) (adjusted) | 1292053 |
| SIOUX Federal Government expenditure - total FY 2008 | 6877 |
| SIOUX Federal Government expenditure per capita FY 2008 | 5343 |
| SIOUX Land area in square miles 2000 | 2066.59 |
| SIOUX Population per square mile 2000 | 1 |