Mifflinburg

County:: Union County
County Seat:: No
Area (mi²):: 1.804
State:: Pennsylvania

Mifflinburg is a borough located in Union County, Pennsylvania. Mifflinburg has a 2025 population of 3,419. Mifflinburg is currently declining at a rate of -0.32% annually and its population has decreased by -1.55% since the most recent census, which recorded a population of 3,473 in 2020.

The average household income in Mifflinburg is $75,758 with a poverty rate of 3.47%. The median age in Mifflinburg is 37.9 years: 32.1 years for males, and 46.7 years for females.

Demographics

The racial composition of Mifflinburg includes 92.93% White, 4.04% other race, and smaller percentages for Two or more races, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	3,219	92.93%
Other race	140	4.04%
Two or more races	101	2.92%
Black or African American	4	0.12%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Mifflinburg Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mifflinburg's average per capita income is $41,635. Household income levels show a median of $65,643. The poverty rate stands at 3.47%.

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	$106,150	-
Families	$87,917	$94,776
Households	$65,643	$75,758
Non Families	$34,837	$40,566

$41,635

Average Income

$65,643

Median Household Income

3.47%

Poverty Rate