Alcester

County:: Union County
County Seat:: No
Area (mi²):: 0.734
State:: South Dakota

Alcester is a city located in Union County, South Dakota. Alcester has a 2025 population of 751. Alcester is currently declining at a rate of -1.96% annually and its population has decreased by -8.97% since the most recent census, which recorded a population of 825 in 2020.

The average household income in Alcester is $67,612 with a poverty rate of 12.11%.The median age in Alcester is 42.9 years: 40 years for males, and 50.3 years for females.

Demographics

The racial composition of Alcester includes 83.38% White, and smaller percentages for Asian, Native American, Black or African American, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	823	83.38%
Two or more races	129	13.07%
Asian	17	1.72%
Native American	13	1.32%
Black or African American	4	0.41%
Other race	1	0.1%

Alcester Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Alcester's average per capita income is $38,405. Household income levels show a median of $58,661. The poverty rate stands at 12.11%.

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	$80,119	-
Families	$68,125	$72,675
Households	$58,661	$67,612
Non Families	$35,357	$46,665

$38,405

Average Income

$58,661

Median Household Income

12.11%

Poverty Rate