Spencer Population

2010–2026

365

2026 projection

9.4% since 2020 (decrease)

0100200300400500201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Spencer. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026365-61.62%
2025371-92.37%
2024380-82.06%
2023388+20.52%
2022386-102.53%
2021396-71.74%
2020403-71.71%
2019410-112.61%
2018421-30.71%
2017424-40.93%

Showing 10 of 17 years.

Spencer Demographics

55.8median age

Median age

Female56.4 yrs
Male55.3 yrs

Adults

257
108 seniors · 42%149 other adults

Sex

Female 50.6% · 158Male 49.4% · 154

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 3 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Spencer Income

$58,667median household income

Median household income

$58,667

Half of households earn more, half earn less

Median earnings

$37,250

Typical yearly pay for a worker 25 or older.

Poverty rate

8.7%

About 1 in 12 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Spencer Marital Status

52% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married52%51%54%
Never married26%35%17%
Divorced11%8%13%
Widowed10%6%14%
Separated1%0%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201