King Arthur Park

County:: Gallatin County
County Seat:: No
Area (mi²):: 0.463
State:: Montana

King Arthur Park is a CDP located in Gallatin County, Montana. King Arthur Park has a 2025 population of 2,357. King Arthur Park is currently growing at a rate of 4.8% annually and its population has increased by 21.93% since the most recent census, which recorded a population of 1,933 in 2020.

The average household income in King Arthur Park is $122,661 with a poverty rate of 5.41%.The median age in King Arthur Park is 34.6 years: 34.8 years for males, and 34.5 years for females.

Demographics

The racial composition of King Arthur Park includes 92.02% White, and smaller percentages for other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	2,156	92.02%
Two or more races	175	7.47%
Other race	12	0.51%

King Arthur Park Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

King Arthur Park's average per capita income is $57,083. Household income levels show a median of $107,341. The poverty rate stands at 5.41%.

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
Families	$110,927	$103,340
Households	$107,341	$122,661
Non Families	$107,059	$121,847
Married Families	-	-

$57,083

Average Income

$107,341

Median Household Income

5.41%

Poverty Rate