Fairfax County Population 2017

Fairfax County's estimated population is 1,138,652 with a growth rate of 0.10% 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
20161,138,6521,1800.10%
20151,137,4722,0840.18%
20141,135,3882,8450.25%
20131,132,54312,1611.09%
20121,120,38214,9721.35%
20111,105,41018,6431.72%
20101,086,767268,18332.76%
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
White755,30866.33%
Asian219,05619.24%
Black or African American114,79710.08%
Two or More Races40,5643.56%
American Indian and Alaska Native6,7570.59%
Native Hawaiian and Other Pacific Islander9900.09%

Fairfax County Population Pyramid

0k10k20k30k40kFairfax County Male Population0k10k20k30k40kFairfax County Female Population

Population of Cities in Fairfax County

City 2010 Census 2016 Estimated Growth Growth Rate
Alexandria1400061558101580411.29%
Herndon232922439311014.73%
Fairfax225422416416227.20%
Vienna15685164687834.99%
Falls Church1228914014172514.04%
Clifton282292103.55%
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