| EUREKA Resident total population estimate (July 1) 2009 | 1707 |
| EUREKA Resident total population estimates base (April 1) 2000 | 1651 |
| EUREKA Resident total population estimate percent change - April 1 2000 to July 1 2009 | 3.4 |
| EUREKA Resident total population estimate net change - April 1 2000 to July 1 2009 | 56 |
| EUREKA Resident population (April 1) 2000 (complete count) | 1651 |
| EUREKA Resident population under 5 years (July 1 - estimate) 2008 | 105 |
| EUREKA Resident population under 5 years percent (July 1 - estimate) 2008 | 6.4 |
| EUREKA Resident population under 18 years (July 1 - estimate) 2008 | 357 |
| EUREKA Resident population under 18 years percent (July 1 - estimate) 2008 | 21.9 |
| EUREKA Resident population 65 years and over percent (July 1 - estimate) 2008 | 14.7 |
| EUREKA Resident population 65 years and over (July 1 - estimate) 2008 | 239 |
| EUREKA Resident population: total females percent (July 1 - estimate) 2008 | 47 |
| EUREKA Resident population: White alone (July 1 - estimate) 2008 | 1500 |
| EUREKA Resident population: Black alone (July 1 - estimate) 2008 | 8 |
| EUREKA Resident population: American Indian and Alaska Native alone (July 1 - estimate) 2008 | 41 |
| EUREKA Resident population: Asian alone (July 1 - estimate) 2008 | 20 |
| EUREKA Resident population: Native Hawaiian and Other Pacific Islander alone (July 1 - estimate) 2008 | 1 |
| EUREKA Resident population: Two or more races (July 1 - estimate) 2008 | 58 |
| EUREKA Resident population: Hispanic or Latino Origin (July 1 - estimate) 2008 | 214 |
| EUREKA Resident population: Not Hispanic White alone (July 1 - estimate) 2008 | 1295 |
| EUREKA Resident population: White alone percent (July 1 - estimate) 2008 | 92.1 |
| EUREKA Resident population: Black alone percent (July 1 - estimate) 2008 | 0.5 |
| EUREKA Resident population: American Indian and Alaska Native alone percent (July 1 - estimate) 2008 | 2.5 |
| EUREKA Resident population: Asian alone percent (July 1 - estimate) 2008 | 1.2 |
| EUREKA Resident population: Native Hawaiian and Other Pacific Islander alone percent (July 1 - estimate) 2008 | 0.1 |
| EUREKA Resident population: Two or more races percent (July 1 - estimate) 2008 | 3.6 |
| EUREKA Resident population: Hispanic or Latino Origin percent (July 1 - estimate) 2008 | 13.1 |
| EUREKA Resident population: Not Hispanic White alone percent (July 1 - estimate) 2008 | 79.5 |
| EUREKA Births 2006 | 28 |
| EUREKA Deaths 2006 | 6 |
| EUREKA Infant deaths under one year 2006 | 0 |
| EUREKA Population 5 years and over by residence in 1995 - percent in same house 2000 (sample) | 59.4 |
| EUREKA Percent foreign born population 2000 (sample) | 7.8 |
| EUREKA Population 5 years and over percent speaking language other than English at home 2000 (sample) | 10.7 |
| EUREKA Educational attainment - persons 25 years and over - percent high school graduate or higher 2000 | 76.7 |
| EUREKA Educational attainment - persons 25 years and over - percent bachelors degree or higher 2000 | 13.6 |
| EUREKA Civilian noninstitutionalized population 5 years and over with a disability 2000 (sample) | 344 |
| EUREKA Average travel time to work for workers 16 years and over not working at home 2000 | 18.2 |
| EUREKA Housing unit estimates as of July 1 2008 | 1046 |
| EUREKA Housing unit estimates - net change April 1 2000 (base) to July 1 2008 | 21 |
| EUREKA Housing unit estimates - percent change April 1 2000 (base) to July 1 2008 | 2 |
| EUREKA Owner-occupied housing units - percent of total occupied housing units 2000 (complete count) | 73.7 |
| EUREKA Median value of specified owner-occupied housing units 2000 (sample) | 89200 |
| EUREKA Housing units by units in structure - multiple units 2000 (sample) | 3.6 |
| EUREKA Households 2000 (complete count) | 666 |
| EUREKA Persons per household 2000 (complete count) | 2.47 |
| EUREKA Per capita income in 1999 | 18629 |
| EUREKA Median household income 2008 | 55090 |
| EUREKA People of all ages in poverty - percent 2008 | 10 |
| EUREKA Personal income 2007 | 51 |
| EUREKA Per capita personal income 2007 | 32622 |
| EUREKA Civilian labor force 2008 | 828 |
| EUREKA Civilian labor force unemployment 2008 | 43 |
| EUREKA Civilian labor force unemployment rate 2008 | 5.2 |
| EUREKA Employment in all industries (NAICS no code) 2007 | 5523 |
| EUREKA Employment in all industries net change 2000 - 2007 | 1027 |
| EUREKA Employment in government (NAICS 92) 2007 | 202 |
| EUREKA Earnings in all industries (NAICS no code) 2007 | 467430 |
| EUREKA Earnings in all industries (NAICS no code) average earnings per job 2007 | 84633 |
| EUREKA Private nonfarm establishments 2007 | 31 |
| EUREKA Private nonfarm employment for pay period including March 12 2007 | 0 |
| EUREKA Private nonfarm employment for pay period including March 12 2006 percent change 2000-2007 | 0 |
| EUREKA Nonemployer: total (NAICS 00) - establishments 2007 | 115 |
| EUREKA Accommodation and Food Services: total (NAICS 72) - sales of establishments with payroll 2002 | 1483 |
| EUREKA Total number of firms 2002 | 149 |
| EUREKA Total Black-owned firms percent 2002 | 0 |
| EUREKA Total American Indian-and Alaska Native-owned firms percent 2002 | 0 |
| EUREKA Total Asian-owned firms percent 2002 | 0 |
| EUREKA Total Hispanic-owned firms percent 2002 | 0 |
| EUREKA Total Native Hawaiian-and Other Pacific Islander-owned firms percent 2002 | 0 |
| EUREKA Total women-owned firms percent 2002 | 0 |
| EUREKA Manufacturing: total (NAICS 31-33) - value of shipments 2002 | 0 |
| EUREKA Wholesale trade: total (NAICS 42) - sales of establishments with payroll 2002 | 0 |
| EUREKA Retail trade: total (NAICS 44-45) - sales of establishments with payroll 2002 | 4222 |
| EUREKA Retail trade: total (NAICS 44-45) - sales of establishments with payroll per capita 2002 | 2619 |
| EUREKA New private housing units authorized by building permits - total 2008 (20000-place universe) | 0 |
| EUREKA Valuation of new private housing units authorized by building permits 2008 (20000-place universe) | 0 |
| EUREKA Land in farms (NAICS) 2007 (acres) (adjusted) | 783440 |
| EUREKA Federal Government expenditure - total FY 2008 | 31473 |
| EUREKA Federal Government expenditure per capita FY 2008 | 19332 |
| EUREKA Land area in square miles 2000 | 4175.68 |
| EUREKA Population per square mile 2000 | 0 |