Statistic Spencer Idaho National
Population 13 1,787,065 328,239,523
Population density (sq mi) 11 22 91
Median age 77.5 35.7 37.7
Male/Female ratio 0.6:1 1.0:1 1.0:1
Married (15yrs & older) 69% 60% 55%
Families w/ Kids under 18 0% 45% 43%
Speak English 100% 89% 79%
Speak Spanish 0% 8% 13%
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Demographics Quick Facts

  • The population density in Spencer is 48% lower than Idaho
  • The median age in Spencer is 117% higher than Idaho
  • In Spencer 100.00% of the population is White
  • In Spencer 0.00% of the population is Black
  • In Spencer 0.00% of the population is Asian

Compare Spencer, ID Demographics

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      Spencer racial demographics

      Race Spencer Idaho National
      White 100.00% 91.30% 73.35%
      Black 0.00% 0.64% 12.63%
      Asian 0.00% 1.32% 5.22%
      American Indian 0.00% 1.31% 0.82%
      Native Hawaiian 0.00% 0.12% 0.18%
      Mixed race 0.00% 2.57% 3.06%
      Other race 0.00% 2.74% 4.75%
      In Spencer, 0.0% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Spencer age breakdown

      Marital status

      Age of children in married couples

      Source: The Spencer, ID demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS).