Stillwater

County:: Columbia County
County Seat:: No
Area (mi²):: 3.114
State:: Pennsylvania

Stillwater is a borough located in Columbia County, Pennsylvania. Stillwater has a 2025 population of 198. Stillwater is currently declining at a rate of 0% annually and its population has decreased by -1% since the most recent census, which recorded a population of 200 in 2020.

The average household income in Stillwater is $88,609 with a poverty rate of 4.35%.The median age in Stillwater is 45.6 years: 37.8 years for males, and 45.9 years for females.

Demographics

The racial composition of Stillwater includes 92.93% White, and smaller percentages for other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	171	92.93%
Two or more races	11	5.98%
Other race	2	1.09%

Stillwater Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Stillwater's average per capita income is $55,750. Household income levels show a median of $80,833. The poverty rate stands at 4.35%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$100,000	-
Families	$92,917	$97,368
Households	$80,833	$88,609
Non Families	-	$47,187

$55,750

Average Income

$80,833

Median Household Income

4.35%

Poverty Rate