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 2026 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 median household income in Spencer is $74,219 with a poverty rate of 5.26%. The median age in Spencer is 66.3 years: 67.3 years for males, and 62.2 years for females. For every 100 females there are 137.5 males.

31
Total Population
27
Density (mi²)

Spencer Population

Spencer Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20263100%
20253100%
20243100%
20233100%
20223113.33%
20213000%
20203000%
20193200%
201832-1-3.03%
20173300%
201633-1-2.94%
20153413.03%
20143300%
20133300%
201233-3-8.33%
201136-1-2.7%
20103700%

Median Age

Overall: 66.3 years
Female: 62.2 years
Male: 67.3 years

Spencer Adults

There are 19 adults, (10 of whom are seniors) in Spencer.

Sex Ratio

Female: 8 (42.1%)
Male: 11 (57.9%)

Demographics

The racial composition of Spencer includes 94.74% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1894.74%
Two or more races15.26%
Race
Population ↓
Percentage (of total)
White842.11%
Race
Population ↓
Percentage (of total)
White1052.63%
Two or more races15.26%

Spencer Marital Status

Economics and Income Statistics

Spencer 's average per capita income is $60,625. Household income levels show a median of $74,219. The poverty rate stands at 5.26%.

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$74,219$81,615
Non Families$73,906$74,218
Families--
Married Families--

$60,625

Average Income

$74,219

Median Household Income

5.26%

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)