Fairfax Flag

Fairfax

County:
Gregory County
County Seat:
No
Area (mi²):
32.426
State:
South Dakota

Fairfax is located in Gregory County, South Dakota. Fairfax has a 2025 population of 64 . Fairfax is currently growing at a rate of 3.23% annually and its population has increased by 6.67% since the most recent census, which recorded a population of 60 in 2020.

The average household income in Fairfax is $110,256 with a poverty rate of 1.74%. The median age in Fairfax is 60.8 years: 59.6 years for males, and 63 years for females. For every 100 females there are 98.3 males.

64
Total Population
2
Density (mi²)
2 3.23%
Growth

Fairfax Population

Fairfax Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Fairfax includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100%)

Race
Population
Percentage (of total)
White115100%

Fairfax Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Fairfax's average per capita income is $53,125. Household income levels show a median of $92,292. The poverty rate stands at 1.74%.

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
Families$131,875$118,031
Married Families$131,875-
Households$92,292$110,256
Non Families$90,875$86,931

$53,125

Average Income

$92,292

Median Household Income

1.74%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)