Fairfax Flag

Fairfax

County:
Gregory County
County Seat:
No
Area (mi²):
0.303
State:
South Dakota

Fairfax is a town located in Gregory County, South Dakota. Fairfax has a 2026 population of 105. Fairfax is currently growing at a rate of 0.96% annually and its population has increased by 6.06% since the most recent census, which recorded a population of 99 in 2020.

The median household income in Fairfax is $72,656 with a poverty rate of 5.88%. The median age in Fairfax is 48.2 years: 32.5 years for males, and 53.4 years for females. For every 100 females there are 56.6 males.

105
Total Population
347
Density (mi²)
1 0.96%
Growth

Fairfax Population

Fairfax Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202610510.96%
202510410.97%
202410310.98%
202310222%
202210011.01%
20219900%
20209900%
2019116-1-0.85%
201811710.86%
201711610.87%
201611510.88%
2015114-2-1.72%
201411610.87%
201311500%
201211500%
201111500%
201011500%

Median Age

Overall: 48.2 years
Female: 53.4 years
Male: 32.5 years

Fairfax Adults

There are 87 adults, (21 of whom are seniors) in Fairfax.

Sex Ratio

Female: 76 (63.9%)
Male: 43 (36.1%)

Demographics

The racial composition of Fairfax includes 91.6% White, 5.88% Asian, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White10991.6%
Asian75.88%
Two or more races32.52%
Race
Population ↓
Percentage (of total)
White10991.6%
Asian75.88%
Two or more races32.52%

Fairfax Marital Status

Economics and Income Statistics

Fairfax 's average per capita income is $43,194. Household income levels show a median of $72,656. The poverty rate stands at 5.88%.

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$74,688$99,645
Married Families$74,531-
Households$72,656$72,420
Non Families$41,250$55,473

$43,194

Average Income

$72,656

Median Household Income

5.88%

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)