Spencer Population

2010–2026

700

2026 projection

2.3% since 2020 (increase)

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.
2026700+20.29%
2025698+50.72%
2024693+30.43%
2023690+20.29%
2022688+10.15%
2021687+30.44%
2020684-10713.53%
2019791+50.64%
2018786+50.64%
2017781+40.51%

Showing 10 of 17 years.

Spencer Demographics

35.3median age

Median age

Female38.2 yrs
Male35.1 yrs

Adults

471
112 seniors · 24%359 other adults

Sex

Female 48.6% · 305Male 51.4% · 323

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 6 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

$73,542median household income

Median household income

$73,542

Half of households earn more, half earn less

Median earnings

$46,429

Typical yearly pay for a worker 25 or older.

Poverty rate

10.7%

About 1 in 9 residents

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

Spencer Marital Status

53% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married53%52%54%
Never married32%35%30%
Divorced10%11%9%
Widowed5%2%7%
Separated<1%<1%0%

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