| KNOX Resident total population estimate (July 1) 2009 | 40801 |
| KNOX Resident total population estimates base (April 1) 2000 | 39618 |
| KNOX Resident total population estimate percent change - April 1 2000 to July 1 2009 | 3 |
| KNOX Resident total population estimate net change - April 1 2000 to July 1 2009 | 1183 |
| KNOX Resident population (April 1) 2000 (complete count) | 39618 |
| KNOX Resident population under 5 years (July 1 - estimate) 2008 | 2065 |
| KNOX Resident population under 5 years percent (July 1 - estimate) 2008 | 5.1 |
| KNOX Resident population under 18 years (July 1 - estimate) 2008 | 7931 |
| KNOX Resident population under 18 years percent (July 1 - estimate) 2008 | 19.5 |
| KNOX Resident population 65 years and over percent (July 1 - estimate) 2008 | 17.9 |
| KNOX Resident population 65 years and over (July 1 - estimate) 2008 | 7297 |
| KNOX Resident population: total females percent (July 1 - estimate) 2008 | 50.7 |
| KNOX Resident population: White alone (July 1 - estimate) 2008 | 39852 |
| KNOX Resident population: Black alone (July 1 - estimate) 2008 | 167 |
| KNOX Resident population: American Indian and Alaska Native alone (July 1 - estimate) 2008 | 116 |
| KNOX Resident population: Asian alone (July 1 - estimate) 2008 | 196 |
| KNOX Resident population: Native Hawaiian and Other Pacific Islander alone (July 1 - estimate) 2008 | 6 |
| KNOX Resident population: Two or more races (July 1 - estimate) 2008 | 349 |
| KNOX Resident population: Hispanic or Latino Origin (July 1 - estimate) 2008 | 409 |
| KNOX Resident population: Not Hispanic White alone (July 1 - estimate) 2008 | 39481 |
| KNOX Resident population: White alone percent (July 1 - estimate) 2008 | 98 |
| KNOX Resident population: Black alone percent (July 1 - estimate) 2008 | 0.4 |
| KNOX Resident population: American Indian and Alaska Native alone percent (July 1 - estimate) 2008 | 0.3 |
| KNOX Resident population: Asian alone percent (July 1 - estimate) 2008 | 0.5 |
| KNOX Resident population: Native Hawaiian and Other Pacific Islander alone percent (July 1 - estimate) 2008 | 0 |
| KNOX Resident population: Two or more races percent (July 1 - estimate) 2008 | 0.9 |
| KNOX Resident population: Hispanic or Latino Origin percent (July 1 - estimate) 2008 | 1 |
| KNOX Resident population: Not Hispanic White alone percent (July 1 - estimate) 2008 | 97 |
| KNOX Births 2006 | 415 |
| KNOX Deaths 2006 | 443 |
| KNOX Infant deaths under one year 2006 | 3 |
| KNOX Population 5 years and over by residence in 1995 - percent in same house 2000 (sample) | 59.5 |
| KNOX Percent foreign born population 2000 (sample) | 2.1 |
| KNOX Population 5 years and over percent speaking language other than English at home 2000 (sample) | 3.4 |
| KNOX Educational attainment - persons 25 years and over - percent high school graduate or higher 2000 | 87.5 |
| KNOX Educational attainment - persons 25 years and over - percent bachelors degree or higher 2000 | 26.2 |
| KNOX Civilian noninstitutionalized population 5 years and over with a disability 2000 (sample) | 6329 |
| KNOX Average travel time to work for workers 16 years and over not working at home 2000 | 18.9 |
| KNOX Housing unit estimates as of July 1 2008 | 23399 |
| KNOX Housing unit estimates - net change April 1 2000 (base) to July 1 2008 | 1787 |
| KNOX Housing unit estimates - percent change April 1 2000 (base) to July 1 2008 | 8.3 |
| KNOX Owner-occupied housing units - percent of total occupied housing units 2000 (complete count) | 74 |
| KNOX Median value of specified owner-occupied housing units 2000 (sample) | 112200 |
| KNOX Housing units by units in structure - multiple units 2000 (sample) | 14.1 |
| KNOX Households 2000 (complete count) | 16608 |
| KNOX Persons per household 2000 (complete count) | 2.31 |
| KNOX Per capita income in 1999 | 19981 |
| KNOX Median household income 2008 | 44168 |
| KNOX People of all ages in poverty - percent 2008 | 13.4 |
| KNOX Personal income 2007 | 1471 |
| KNOX Per capita personal income 2007 | 36132 |
| KNOX Civilian labor force 2008 | 21139 |
| KNOX Civilian labor force unemployment 2008 | 1071 |
| KNOX Civilian labor force unemployment rate 2008 | 5.1 |
| KNOX Employment in all industries (NAICS no code) 2007 | 28555 |
| KNOX Employment in all industries net change 2000 - 2007 | 1259 |
| KNOX Employment in government (NAICS 92) 2007 | 3110 |
| KNOX Earnings in all industries (NAICS no code) 2007 | 942410 |
| KNOX Earnings in all industries (NAICS no code) average earnings per job 2007 | 33003 |
| KNOX Private nonfarm establishments 2007 | 1783 |
| KNOX Private nonfarm employment for pay period including March 12 2007 | 14264 |
| KNOX Private nonfarm employment for pay period including March 12 2006 percent change 2000-2007 | 1 |
| KNOX Nonemployer: total (NAICS 00) - establishments 2007 | 6054 |
| KNOX Accommodation and Food Services: total (NAICS 72) - sales of establishments with payroll 2002 | 82034 |
| KNOX Total number of firms 2002 | 7048 |
| KNOX Total Black-owned firms percent 2002 | 0 |
| KNOX Total American Indian-and Alaska Native-owned firms percent 2002 | 0 |
| KNOX Total Asian-owned firms percent 2002 | 0 |
| KNOX Total Hispanic-owned firms percent 2002 | 0 |
| KNOX Total Native Hawaiian-and Other Pacific Islander-owned firms percent 2002 | 0 |
| KNOX Total women-owned firms percent 2002 | 19 |
| KNOX Manufacturing: total (NAICS 31-33) - value of shipments 2002 | 218905 |
| KNOX Wholesale trade: total (NAICS 42) - sales of establishments with payroll 2002 | 177099 |
| KNOX Retail trade: total (NAICS 44-45) - sales of establishments with payroll 2002 | 490405 |
| KNOX Retail trade: total (NAICS 44-45) - sales of establishments with payroll per capita 2002 | 12103 |
| KNOX New private housing units authorized by building permits - total 2008 (20000-place universe) | 132 |
| KNOX Valuation of new private housing units authorized by building permits 2008 (20000-place universe) | 24619 |
| KNOX Land in farms (NAICS) 2007 (acres) (adjusted) | 30100 |
| KNOX Federal Government expenditure - total FY 2008 | 306088 |
| KNOX Federal Government expenditure per capita FY 2008 | 7523 |
| KNOX Land area in square miles 2000 | 365.67 |
| KNOX Population per square mile 2000 | 108 |