Fairfax County Population 2018

Fairfax County's estimated population is 1,148,433 with a growth rate of 0.33% in the past year according to the most recent United States census data. Fairfax County is the 1st largest county in Virginia.

Year Population Growth Growth Rate
20171,148,4333,7970.33%
20161,144,6362,4390.21%
20151,142,1972,9050.25%
20141,139,2923,8320.34%
20131,135,46013,6261.21%
20121,121,83416,1141.46%
20111,105,72018,9861.75%
20101,086,734268,15032.76%
1990818,584221,68337.14%
1980596,901141,88031.18%
1970455,021180,01965.46%
1960275,002176,445179.03%
195098,55757,628140.80%
194040,92915,66562.01%
193025,2643,32115.13%
192021,9431,4076.85%
191020,5361,95610.53%
190018,5801,92511.56%
189016,6556303.93%
188016,0253,07323.73%
187012,9521,1189.45%
186011,8341,15210.78%
185010,6821,31214.00%
18409,3701661.80%
18309,204-2,200-19.29%
182011,404-1,707-13.02%
181013,111-206-1.55%
180013,3179978.09%
179012,3200.00%

Fairfax County Population Growth

Population Data via

Fairfax County Race Data

Race Population Percentage
White755,30865.77%
Asian219,05619.07%
Black or African American114,79710.00%
Two or More Races40,5643.53%
American Indian and Alaska Native6,7570.59%
Native Hawaiian and Other Pacific Islander9900.09%

Fairfax County Population Pyramid

0k10k20k30k40k Male Population0k10k20k30k40k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990