Waterloo township Population

2010–2026

3,009

2026 projection

2.9% since 2020 (increase)

05001K1.5K2K2.5K3K3.5K201020122014201620182020202220242026

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 Waterloo township. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20263,009+140.47%
20252,995+140.47%
20242,981+140.47%
20232,967+220.75%
20222,945+40.14%
20212,941+170.58%
20202,924+291.00%
20192,895+170.59%
20182,878+100.35%
20172,868+280.99%

Showing 10 of 17 years.

Waterloo township Demographics

54.6median age

Median age

Female53.9 yrs
Male55.3 yrs

Adults

2,533
916 seniors · 36%1,617 other adults

Sex

Female 45.6% · 1,352Male 54.4% · 1,612

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 30 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

Waterloo township Income

$74,500median household income

Median household income

$74,500

Half of households earn more, half earn less

Median earnings

$54,300

Typical yearly pay for a worker 25 or older.

Poverty rate

7.4%

About 1 in 14 residents

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

Waterloo township Marital Status

66% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married66%64%69%
Never married21%26%15%
Divorced8%7%9%
Widowed5%3%7%
Separated<1%<1%0%

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