| MASON Resident total population estimate (July 1) 2009 | 17378 |
| MASON Resident total population estimates base (April 1) 2000 | 16803 |
| MASON Resident total population estimate percent change - April 1 2000 to July 1 2009 | 3.4 |
| MASON Resident total population estimate net change - April 1 2000 to July 1 2009 | 575 |
| MASON Resident population (April 1) 2000 (complete count) | 16800 |
| MASON Resident population under 5 years (July 1 - estimate) 2008 | 1089 |
| MASON Resident population under 5 years percent (July 1 - estimate) 2008 | 6.3 |
| MASON Resident population under 18 years (July 1 - estimate) 2008 | 3926 |
| MASON Resident population under 18 years percent (July 1 - estimate) 2008 | 22.5 |
| MASON Resident population 65 years and over percent (July 1 - estimate) 2008 | 15.6 |
| MASON Resident population 65 years and over (July 1 - estimate) 2008 | 2716 |
| MASON Resident population: total females percent (July 1 - estimate) 2008 | 51.8 |
| MASON Resident population: White alone (July 1 - estimate) 2008 | 15857 |
| MASON Resident population: Black alone (July 1 - estimate) 2008 | 1208 |
| MASON Resident population: American Indian and Alaska Native alone (July 1 - estimate) 2008 | 25 |
| MASON Resident population: Asian alone (July 1 - estimate) 2008 | 109 |
| MASON Resident population: Native Hawaiian and Other Pacific Islander alone (July 1 - estimate) 2008 | 10 |
| MASON Resident population: Two or more races (July 1 - estimate) 2008 | 205 |
| MASON Resident population: Hispanic or Latino Origin (July 1 - estimate) 2008 | 217 |
| MASON Resident population: Not Hispanic White alone (July 1 - estimate) 2008 | 15662 |
| MASON Resident population: White alone percent (July 1 - estimate) 2008 | 91.1 |
| MASON Resident population: Black alone percent (July 1 - estimate) 2008 | 6.9 |
| MASON Resident population: American Indian and Alaska Native alone percent (July 1 - estimate) 2008 | 0.1 |
| MASON Resident population: Asian alone percent (July 1 - estimate) 2008 | 0.6 |
| MASON Resident population: Native Hawaiian and Other Pacific Islander alone percent (July 1 - estimate) 2008 | 0.1 |
| MASON Resident population: Two or more races percent (July 1 - estimate) 2008 | 1.2 |
| MASON Resident population: Hispanic or Latino Origin percent (July 1 - estimate) 2008 | 1.2 |
| MASON Resident population: Not Hispanic White alone percent (July 1 - estimate) 2008 | 89.9 |
| MASON Births 2006 | 277 |
| MASON Deaths 2006 | 207 |
| MASON Infant deaths under one year 2006 | 1 |
| MASON Population 5 years and over by residence in 1995 - percent in same house 2000 (sample) | 59 |
| MASON Percent foreign born population 2000 (sample) | 1.4 |
| MASON Population 5 years and over percent speaking language other than English at home 2000 (sample) | 2.8 |
| MASON Educational attainment - persons 25 years and over - percent high school graduate or higher 2000 | 73.3 |
| MASON Educational attainment - persons 25 years and over - percent bachelors degree or higher 2000 | 14.4 |
| MASON Civilian noninstitutionalized population 5 years and over with a disability 2000 (sample) | 3779 |
| MASON Average travel time to work for workers 16 years and over not working at home 2000 | 21.5 |
| MASON Housing unit estimates as of July 1 2008 | 8081 |
| MASON Housing unit estimates - net change April 1 2000 (base) to July 1 2008 | 326 |
| MASON Housing unit estimates - percent change April 1 2000 (base) to July 1 2008 | 4.2 |
| MASON Owner-occupied housing units - percent of total occupied housing units 2000 (complete count) | 67.4 |
| MASON Median value of specified owner-occupied housing units 2000 (sample) | 71900 |
| MASON Housing units by units in structure - multiple units 2000 (sample) | 16.9 |
| MASON Households 2000 (complete count) | 6847 |
| MASON Persons per household 2000 (complete count) | 2.41 |
| MASON Per capita income in 1999 | 16589 |
| MASON Median household income 2008 | 38209 |
| MASON People of all ages in poverty - percent 2008 | 18.8 |
| MASON Personal income 2007 | 486 |
| MASON Per capita personal income 2007 | 28231 |
| MASON Civilian labor force 2008 | 8985 |
| MASON Civilian labor force unemployment 2008 | 528 |
| MASON Civilian labor force unemployment rate 2008 | 5.9 |
| MASON Employment in all industries (NAICS no code) 2007 | 12971 |
| MASON Employment in all industries net change 2000 - 2007 | -45 |
| MASON Employment in government (NAICS 92) 2007 | 1430 |
| MASON Earnings in all industries (NAICS no code) 2007 | 407045 |
| MASON Earnings in all industries (NAICS no code) average earnings per job 2007 | 31381 |
| MASON Private nonfarm establishments 2007 | 503 |
| MASON Private nonfarm employment for pay period including March 12 2007 | 8127 |
| MASON Private nonfarm employment for pay period including March 12 2006 percent change 2000-2007 | -3.5 |
| MASON Nonemployer: total (NAICS 00) - establishments 2007 | 1131 |
| MASON Accommodation and Food Services: total (NAICS 72) - sales of establishments with payroll 2002 | 25311 |
| MASON Total number of firms 2002 | 1403 |
| MASON Total Black-owned firms percent 2002 | 0 |
| MASON Total American Indian-and Alaska Native-owned firms percent 2002 | 0 |
| MASON Total Asian-owned firms percent 2002 | 0 |
| MASON Total Hispanic-owned firms percent 2002 | 0 |
| MASON Total Native Hawaiian-and Other Pacific Islander-owned firms percent 2002 | 0 |
| MASON Total women-owned firms percent 2002 | 38.1 |
| MASON Manufacturing: total (NAICS 31-33) - value of shipments 2002 | 0 |
| MASON Wholesale trade: total (NAICS 42) - sales of establishments with payroll 2002 | 570865 |
| MASON Retail trade: total (NAICS 44-45) - sales of establishments with payroll 2002 | 266727 |
| MASON Retail trade: total (NAICS 44-45) - sales of establishments with payroll per capita 2002 | 15793 |
| MASON New private housing units authorized by building permits - total 2008 (20000-place universe) | 14 |
| MASON Valuation of new private housing units authorized by building permits 2008 (20000-place universe) | 1305 |
| MASON Land in farms (NAICS) 2007 (acres) (adjusted) | 139814 |
| MASON Federal Government expenditure - total FY 2008 | 163987 |
| MASON Federal Government expenditure per capita FY 2008 | 9417 |
| MASON Land area in square miles 2000 | 241.11 |
| MASON Population per square mile 2000 | 70 |