Spencer demographics profile

Population density (sq mi)271991
Median age65.735.737.7
Male/Female ratio1.6:11.0:11.0:1
Married (15yrs & older)87%60%55%
Families w/ Kids under 189%45%43%
Speak English100%89%79%
Speak Spanish0%8%13%
Spencer, ID has a population of 31 and is the 28,588th largest city in the United States. The population density is 27 per sq mi which is 42% higher than the Idaho average and 70% lower than the national average. The median age in Spencer is 66 which is approximately 84% higher than the Idaho average of 36. In Spencer, 87% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 39% of Spencer residents were born in Idaho, 61% were born out of state, 0% were born outside of the United States and 0% were foreign born.

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Did you know?

  • The population density in Spencer is 42% higher than Idaho.
  • The median age in Spencer is 84% higher than Idaho.
  • In Spencer 100.00% of the population is White.
  • In Spencer 0.00% of the population is Black or African American.
  • In Spencer 0.00% of the population is Asian.

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Spencer population breakdown by race

Black or African American0.00%0.64%12.63%
American Indian0.00%1.31%0.82%
Native Hawaiian0.00%0.12%0.18%
Mixed race0.00%2.57%3.06%
Other race0.00%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.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Spencer age breakdown

Marital status

Age of children in married couples

Source: The Spencer, ID demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
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