Fort Washington first appeared as a
census designated place in the
2010 U.S. census. The whole population lived in households. There were 98 households, out of which 32 (32.7%) had children under the age of 18 living in them, 70 (71.4%) were married-couple households, 2 (2.0%) were
cohabiting couple households, 19 (19.4%) had a female householder with no partner present, and 7 (7.1%) had a male householder with no partner present. 14 households (14.3%) were one person, and 10 (10.2%) were one person aged 65 or older. The average household size was 2.60. The age distribution was 62 people (24.3%) under the age of 18, 16 people (6.3%) aged 18 to 24, 49 people (19.2%) aged 25 to 44, 56 people (22.0%) aged 45 to 64, and 72 people (28.2%) who were 65years of age or older. The median age was 45.1years. For every 100 females, there were 96.2 males. There were 108 housing units at an average density of , of which 98 (90.7%) were occupied. Of these, 91 (92.9%) were owner-occupied, and 7 (7.1%) were occupied by renters. ==Education==