Spencer Flag

Spencer

County:
Clark County
County Seat:
No
Area (mi²):
1.142
State:
Idaho

Spencer is a city located in Clark County, Idaho. Spencer has a 2025 population of 31 . Spencer is currently declining at a rate of 0% annually and its population has increased by 3.33% since the most recent census, which recorded a population of 30 in 2020.

The average household income in Spencer is $60,274 with a poverty rate of 14.29%. The median age in Spencer is 66.5 years: 67.3 years for males, and 62.4 years for females. For every 100 females there are 86.7 males.

31
Total Population
27
Density (mi²)

Spencer Population

Spencer Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Spencer includes 92.86% White, and smaller percentages for and multiracial populations.

Population by Race

White (92.86%)

Two or more races (7.14%)

Race
Population
Percentage (of total)
White2692.86%
Two or more races27.14%

Spencer Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Spencer's average per capita income is $58,182. Household income levels show a median of $70,972. The poverty rate stands at 14.29%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Households$70,972$60,274
Non Families$70,833$57,022
Families--
Married Families--

$58,182

Average Income

$70,972

Median Household Income

14.29%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)