Easton appeared as an unincorporated community in the 1970 U.S. census;
!Pop 2010
!style="background-color: #ffffb3;" |Pop 2020
!% 2000
!% 2010
!style="background-color: #ffffb3;" |% 2020
|-
|White alone (NH)
|811
|649
|style='background: #ffffe6; |508
|41.25%
|31.16%
|style='background: #ffffe6; |25.76%
|-
|Black or African American alone (NH)
|9
|13
|style='background: #ffffe6; |17
|0.46%
|0.62%
|style='background: #ffffe6; |0.86%
|-
|Native American or Alaska Native alone (NH)
|13
|14
|style='background: #ffffe6; |11
|0.66%
|0.67%
|style='background: #ffffe6; |0.56%
|-
|Asian alone (NH)
|77
|62
|style='background: #ffffe6; |71
|3.92%
|2.98%
|style='background: #ffffe6; |3.60%
|-
|Native Hawaiian or Pacific Islander alone (NH)
|0
|0
|style='background: #ffffe6; |1
|0.00%
|0.00%
|style='background: #ffffe6; |0.05%
|-
|Other race alone (NH)
|0
|1
|style='background: #ffffe6; |10
|0.00%
|0.05%
|style='background: #ffffe6; |0.51%
|-
|Mixed race or Multiracial (NH)
|38
|36
|style='background: #ffffe6; |24
|1.93%
|1.73%
|style='background: #ffffe6; |1.22%
|-
|Hispanic or Latino (any race)
|1,018
|1,308
|style='background: #ffffe6; |1,330
|51.78%
|62.79%
|style='background: #ffffe6; |67.44%
|-
|Total
|1,966
|2,083
|style='background: #ffffe6; |1,972
|100.00%
|100.00%
|style='background: #ffffe6; |100.00%
|}
2020 census
As of the 2020 census, Easton had a population of 1,972 and a population density of . The whole population lived in households.
There were 615 households, out of which 210 (34.1%) had children under the age of 18 living in them, 320 (52.0%) were married-couple households, 37 (6.0%) were cohabiting couple households, 153 (24.9%) had a female householder with no partner present, and 105 (17.1%) had a male householder with no partner present. 98 households (15.9%) were one person, and 59 (9.6%) were one person aged 65 or older. The average household size was 3.21. There were 478 families (77.7% of all households).
2010 census
The 2010 United States census reported that Easton had a population of 2,083. The population density was . The racial makeup of Easton was 1,248 (59.9%) White, 13 (0.6%) African American, 58 (2.8%) Native American, 68 (3.3%) Asian, 0 (0.0%) Pacific Islander, 593 (28.5%) from other races, and 103 (4.9%) from two or more races. Hispanic or Latino of any race were 1,308 persons (62.8%).
The Census reported that 2,083 people (100% of the population) lived in households, 0 (0%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized.
There were 629 households, out of which 266 (42.3%) had children under the age of 18 living in them, 369 (58.7%) were opposite-sex married couples living together, 91 (14.5%) had a female householder with no husband present, 50 (7.9%) had a male householder with no wife present. There were 32 (5.1%) unmarried opposite-sex partnerships, and 5 (0.8%) same-sex married couples or partnerships. 102 households (16.2%) were made up of individuals, and 46 (7.3%) had someone living alone who was 65 years of age or older. The average household size was 3.31. There were 510 families (81.1% of all households); the average family size was 3.66.
The population age distribution is 566 people (27.2%) under the age of 18, 231 people (11.1%) aged 18 to 24, 474 people (22.8%) aged 25 to 44, 532 people (25.5%) aged 45 to 64, and 280 people (13.4%) who were 65 years of age or older. The median age was 35.1 years. For every 100 females, there were 104.0 males. For every 100 females age 18 and over, there were 101.7 males.
There were 667 housing units at an average density of , of which 629 were occupied, of which 423 (67.2%) were owner-occupied, and 206 (32.8%) were occupied by renters. The homeowner vacancy rate was 1.2%; the rental vacancy rate was 5.5%. 1,365 people (65.5% of the population) lived in owner-occupied housing units and 718 people (34.5%) lived in rental housing units.
Education
Almost all of the CDP is in the Washington Colony Elementary School District<!--ELM 41460--> while a small piece extends into the Orange Center Elementary School District<!--ELM 28530-->. All of it is in the Washington Unified School District<!--SEC 06018--> for grades 9–12. Washington Union High School is the latter district's comprehensive high school.
Notable residents
- Marjaree Mason, for whom Fresno County's Marjaree Mason Center is named, was born in Easton.
- Deshawn Stevenson, basketball player for the Dallas Mavericks, lived in Easton.
- Matt Garza, Major League Baseball pitcher for the Chicago Cubs, grew up and attended high school in Easton.
- Blackie Gejeian, was an American race car driver, race car builder, and hot rod enthusiast of Armenian descent.