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 29. Spencer is currently declining at a rate of 0% annually and its population has increased by 3.57% since the most recent census, which recorded a population of 28 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.

29
Total Population
25
Density (mi²)
0 0%
Growth

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 Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race
Population
Percentage (of total)
White2692.86%
Two or more races27.14%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

Spencer Marital Status

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

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)