Spencer Population

2010–2026

680

2026 projection

6.1% since 2020 (decrease)

0200400600800201020122014201620182020202220242026

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.
2026680-81.16%
2025688-60.86%
2024694-40.57%
2023698-70.99%
2022705-101.40%
2021715-91.24%
2020724+172.40%
2019707-50.70%
2018712-30.42%
2017715-60.83%

Showing 10 of 17 years.

Spencer Demographics

34.4median age

Median age

Female32.9 yrs
Male34.6 yrs

Adults

664
138 seniors · 21%526 other adults

Sex

Female 54.1% · 504Male 45.9% · 428

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 9 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

$51,765median household income

Median household income

$51,765

Half of households earn more, half earn less

Median earnings

$42,298

Typical yearly pay for a worker 25 or older.

Poverty rate

31%

About 1 in 3 residents

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

Spencer Marital Status

40% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married40%48%34%
Never married38%32%42%
Divorced12%9%13%
Widowed7%4%9%
Separated4%7%2%

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