US Census Data

Fairfax vs St. Charles

A side-by-side comparison of Fairfax and St. Charles: population, income, housing, and more.

Fairfax and St. Charles are places in South Dakota. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Fairfax has the higher population (143 vs 11 in St. Charles). Since 2019, St. Charles's population has grown faster (+37.5% vs +5.9%).

Population, income & housing

FairfaxSt. Charles
Population14311
Median age32.4 yrs74.3 yrs
Median household income$66,875
Median home value$62,000
Median gross rent$788
Housing units9212
Homeownership rate84.1%66.7%
Bachelor's degree or higher14.3%0.0%
Unemployment rate0.0%50.0%

Trends (ACS 5-year, 2019–2023)

FairfaxSt. Charles
Population135 → 143 (+5.9%)8 → 11 (+37.5%)
Median household income$31,000 → $66,875 (+115.7%)
Median home value$46,700 → $62,000 (+32.8%)
Median gross rent$413 → $788 (+90.8%)

Fairfax

Population
135143
Median household income
$31,000$66,875
Median home value
$46,700$62,000
Median gross rent
$413$788

St. Charles

Population
811

Age & race/ethnicity

Age distribution (share)

FairfaxSt. Charles
Under 516.8%0.0%
5 to 1713.3%0.0%
18 to 246.3%0.0%
25 to 3418.9%0.0%
35 to 444.2%0.0%
45 to 5410.5%0.0%
55 to 6417.5%18.2%
65 to 744.2%63.6%
75 and over8.4%18.2%

Race & ethnicity (share)

FairfaxSt. Charles
White (non-Hispanic)98.6%81.8%
Black or African American0.0%0.0%
American Indian & Alaska Native0.0%18.2%
Asian1.4%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.0%
Two or more races0.0%0.0%
Hispanic or Latino0.0%0.0%

Educational attainment (age 25+)

Share of adults 25+

FairfaxSt. Charles
No high school diploma12.1%0.0%
High school graduate35.2%18.2%
Some college or associate's38.5%81.8%
Bachelor's degree11.0%0.0%
Graduate or professional degree3.3%0.0%

Commute to work

How workers get to work (share)

FairfaxSt. Charles
Drove alone72.6%100.0%
Carpooled14.3%0.0%
Public transit0.0%0.0%
Walked1.2%0.0%
Bicycle0.0%0.0%
Worked from home10.7%0.0%
Other means1.2%0.0%

Housing

Units in structure (share)

FairfaxSt. Charles
1-unit, detached64.1%100.0%
1-unit, attached0.0%0.0%
2 to 4 units0.0%0.0%
5 to 19 units4.3%0.0%
20 or more units0.0%0.0%
Mobile home & other31.5%0.0%

Poverty & households

FairfaxSt. Charles
Poverty rate17.5%18.2%
Average household size2.071.83
Mean commute (minutes)48
Median year structure built19761938

Full profiles

2

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