Poplar-Cotton Center was first listed as an unincorporated place under the name
Poplar in the
1960 U.S. census; The census reported that 99.6% of the population lived in households, 0.4% lived in non-institutionalized group quarters, and no one was institutionalized. 0.0% of residents lived in urban areas, while 100.0% lived in rural areas. There were 609 households, of which 47.6% had children under the age of 18 living in them. Of all households, 52.1% were married-couple households, 8.7% were
cohabiting couple households, 23.2% had a female householder with no partner present, and 16.1% had a male householder with no partner present. 10.3% of households were one person, and 6.2% had someone living alone who was 65 years of age or older. The average household size was 3.88. There were 510
families (83.7% of all households). There were 651 housing units at an average density of , of which 93.5% were occupied. Of occupied units, 46.3% were owner-occupied and 53.7% were occupied by renters. 6.5% of housing units were vacant. The homeowner vacancy rate was 1.1% and the rental vacancy rate was 3.5%.
2010 census The
2010 United States census reported that Poplar-Cotton Center had a population of 2,470. The population density was . The racial makeup of Poplar was 1,729 (70.0%)
White, 1 (0.0%)
African American, 15 (0.6%)
Native American, 356 (14.4%)
Asian, 0 (0.0%)
Pacific Islander, 327 (13.2%) from
other races, and 42 (1.7%) from two or more races.
Hispanic or
Latino of any race were 1,809 persons (73.2%). The Census reported that 2,470 people (100% of the population) lived in households, 0 (0%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized. There were 576 households, out of which 366 (63.5%) had children under the age of 18 living in them, 308 (53.5%) were
opposite-sex married couples living together, 121 (21.0%) had a female householder with no husband present, 77 (13.4%) had a male householder with no wife present. There were 76 (13.2%)
unmarried opposite-sex partnerships, and 9 (1.6%)
same-sex married couples or partnerships. 48 households (8.3%) were made up of individuals, and 27 (4.7%) had someone living alone who was 65 years of age or older. The average household size was 4.29. There were 506
families (87.8% of all households); the average family size was 4.48. The population was spread out, with 958 people (38.8%) under the age of 18, 285 people (11.5%) aged 18 to 24, 616 people (24.9%) aged 25 to 44, 411 people (16.6%) aged 45 to 64, and 200 people (8.1%) who were 65 years of age or older. The median age was 24.8 years. For every 100 females, there were 104.3 males. For every 100 females age 18 and over, there were 100.5 males. There were 611 housing units at an average density of , of which 262 (45.5%) were owner-occupied, and 314 (54.5%) were occupied by renters. The homeowner vacancy rate was 1.9%; the rental vacancy rate was 5.1%. 1,132 people (45.8% of the population) lived in owner-occupied housing units and 1,338 people (54.2%) lived in rental housing units. ==Politics==