Spencer Population

2010–2026

1,669

2026 projection

14.5% since 2020 (increase)

05001K1.5K2K201020122014201620182020202220242026

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.
20261,669+332.02%
20251,636+462.89%
20241,590+311.99%
20231,559+352.30%
20221,524+352.35%
20211,489+312.13%
20201,458-22813.52%
20191,686+311.87%
20181,655-110.66%
20171,666+181.09%

Showing 10 of 17 years.

Spencer Demographics

51.9median age

Median age

Female54.4 yrs
Male46.3 yrs

Adults

1,299
451 seniors · 35%848 other adults

Sex

Female 56.1% · 847Male 43.9% · 664

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 15 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

$46,705median household income

Median household income

$46,705

Half of households earn more, half earn less

Median earnings

$31,855

Typical yearly pay for a worker 25 or older.

Poverty rate

8.8%

About 1 in 11 residents

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

Spencer Marital Status

55% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married55%65%48%
Never married17%23%13%
Divorced13%8%17%
Widowed9%3%14%
Separated5%<1%8%

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