Sullivan township Population

2010–2026

2,762

2026 projection

8.3% since 2020 (increase)

05001K1.5K2K2.5K3K201020122014201620182020202220242026

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.
20262,762+371.36%
20252,725+371.38%
20242,688+250.94%
20232,663+833.22%
20222,580+60.23%
20212,574+240.94%
20202,550-271.05%
20192,577+160.62%
20182,561+271.07%
20172,534+180.72%

Showing 10 of 17 years.

Sullivan township Demographics

45.8median age

Median age

Female46.7 yrs
Male44.6 yrs

Adults

2,036
534 seniors · 26%1,502 other adults

Sex

Female 50.2% · 1,313Male 49.8% · 1,302

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 26 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

$65,156median household income

Median household income

$65,156

Half of households earn more, half earn less

Median earnings

$49,607

Typical yearly pay for a worker 25 or older.

Poverty rate

8.1%

About 1 in 12 residents

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

Sullivan township 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%53%53%
Never married21%26%17%
Divorced17%17%17%
Widowed9%5%13%
Separated<1%<1%<1%

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