Sempronius

County:: Cayuga County
County Seat:: No
Area (mi²):: 29.341
State:: New York

Sempronius is located in Cayuga County, New York. Sempronius has a 2025 population of 883. Sempronius is currently growing at a rate of 0.91% annually and its population has increased by 4.5% since the most recent census, which recorded a population of 845 in 2020.

The average household income in Sempronius is $95,771 with a poverty rate of 7.74%.The median age in Sempronius is 45.8 years: 48 years for males, and 41.1 years for females.

Demographics

The racial composition of Sempronius includes 96.4% White, and smaller percentages for Two or more races, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	776	96.4%
Two or more races	24	2.98%
Other race	5	0.62%

Sempronius Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sempronius' average per capita income is $50,089. Household income levels show a median of $70,417. The poverty rate stands at 7.74%.

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	$103,304	-
Families	$83,500	$108,246
Households	$70,417	$95,771
Non Families	$37,500	$57,914

$50,089

Average Income

$70,417

Median Household Income

7.74%

Poverty Rate