Sullivan township Population

2010–2026

1,445

2026 projection

1.8% since 2020 (decrease)

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 Sullivan township. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261,445+20.14%
20251,443+20.14%
20241,441-70.48%
20231,448-80.55%
20221,456-110.75%
20211,467-50.34%
20201,472+231.59%
20191,449-70.48%
20181,456+100.69%
20171,446-171.16%

Showing 10 of 17 years.

Sullivan township Demographics

46.9median age

Median age

Female42.5 yrs
Male50.4 yrs

Adults

1,136
324 seniors · 29%812 other adults

Sex

Female 47.1% · 643Male 52.9% · 722

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 14 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

Sullivan township Income

$87,679median household income

Median household income

$87,679

Half of households earn more, half earn less

Median earnings

$49,833

Typical yearly pay for a worker 25 or older.

Poverty rate

6.3%

About 1 in 16 residents

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

Sullivan township Marital Status

62% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married62%58%66%
Never married24%27%20%
Divorced8%10%6%
Widowed5%3%8%
Separated1%2%0%

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