Fairfax Population

2010–2026

1,326

2026 projection

11.9% since 2020 (decrease)

05001K1.5K2K2.5K201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Fairfax. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261,326-261.92%
20251,352-322.31%
20241,384-141.00%
20231,398+10.07%
20221,397-604.12%
20211,457-483.19%
20201,505-201.31%
20191,525-623.91%
20181,587-422.58%
20171,629-211.27%

Showing 10 of 17 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Fairfax has a population change lower than Allendale County, South Carolina, and the U.S.

  • South Carolina+8.5%
  • United States+3.1%
  • Allendale County−7.4%
  • Fairfax−9.0%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Fairfax Demographics

50.3median age

Median age

Female56.3 yrs
Male36.7 yrs

Adults

1,649
553 seniors (65+) · 34% of adults1,096 other adults

Sex

Female 47.8% · 924Male 52.2% · 1,011

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 19 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Fairfax Income

$40,649median household income

Median household income

$40,649

Half of households earn more, half earn less

Median earnings

$36,698

Typical yearly pay for a worker 25 or older.

Poverty rate

26.8%

About 1 in 4 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Fairfax Marital Status

34% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married34%35%33%
Never married44%53%34%
Divorced10%6%15%
Widowed8%5%11%
Separated4%<1%7%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201