Fairfax

7,605

Total Population in 2020

In 2020, Fairfax was home to 7,605 people. Residents were a majority working age, while those 65 and older were a larger segment of the community than those under 18. The population was predominantly white, with more women than men.

Most Populous Demographics

Category	Demographic	Total	Percentage
Age	18-64	4,440	58%
Sex	Female	3,931	52%
Race and Hispanic or Latino	White (Not Hispanic or Latino)	5,815	76%

Age

49.5

Median Age

In 2020, Fairfax's population was a majority working-age adults, while those 65 and older were a moderately larger share of the community than those under age 18. Looking at 10-year age ranges, 50-59 was the largest group.

Population by Age Range

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Population by Age Group

1,405

Under 18

4,440

18-64

1,760

65 and over

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Table: Population by Age Range

Age Range	Population in Fairfax
Age Range	Total	Percentage
0-9	621	8%
10-19	937	12%
20-29	548	7%
30-39	743	10%
40-49	1,028	14%
50-59	1,356	18%
60-69	1,255	17%
70-79	842	11%
80+	275	4%

Table: Population by Age Group

Age Group	Population in Fairfax
Age Group	Total	Percentage
Under 18	1,405	18%
18-64	4,440	58%
65 and over	1,760	23%

* For both charts above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P12 Sex by Age for Selected Age Categories.

Sex and Age

In 2020, females outnumbered males by a significant amount in Fairfax. Females 50-59 were the largest group by age, followed by females 60-69 and males 50-59. The biggest gap was in the 60-69 age group, where females were the larger share.

Population by Sex

3,674

Male

3,931

Female

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Population by Sex and Age

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Male

Female

Table: Population by Sex

Sex	Fairfax
Sex	Total	Percentage
Male	3,674	48%
Female	3,931	52%

Table: Population by Sex and Age

Sex and Age	Fairfax
Sex and Age	Total	Percentage
Male	3,674	48%
Male: 0-9	321	4%
Male: 10-19	486	6%
Male: 20-29	278	4%
Male: 30-39	362	5%
Male: 40-49	472	6%
Male: 50-59	637	8%
Male: 60-69	583	8%
Male: 70-79	411	5%
Male: 80+	124	2%
Female	3,931	52%
Female: 0-9	300	4%
Female: 10-19	451	6%
Female: 20-29	270	4%
Female: 30-39	381	5%
Female: 40-49	556	7%
Female: 50-59	719	9%
Female: 60-69	672	9%
Female: 70-79	431	6%
Female: 80+	151	2%

* For both charts above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P12 Sex by Age for Selected Age Categories.

Race and Hispanic or Latino

76%

White (Not Hispanic or Latino)

In 2020, Fairfax had a predominantly white population. Hispanic residents also made up a notable segment of the community, while other/multiracial and Asian people were the next largest groups.

Population by Race and Hispanic or Latino

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Table: Population by Race and Hispanic or Latino

Race and Hispanic or Latino	Population in Fairfax
Race and Hispanic or Latino	Total	Percentage
White	5,815	76%
Black or African American	94	1%
American Indian / Alaska Native	16	<1%
Asian	232	3%
Native Hawaiian / Pacific Islander	15	<1%
Other / Multi-racial	555	7%
Hispanic or Latino (any race)	878	12%

* Categorized as Not Hispanic. This means that all the racial groups marked with an asterisk — White, Black or African American, American Indian / Alaska Native, Asian, Native Hawaiian / Pacific Islander, and Other / Multi-racial — do not include individuals who identify as Hispanic or Latino. The "Hispanic or Latino (any race)" category is separate, as Hispanic/Latino is considered an ethnicity rather than a racial category. For the chart above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P5 Hispanic or Latino Origin by Race.