2020 census As of the
2020 census, Wheatland had a population of 3,712, all of whom lived in households. The population density was . The age distribution was 27.2% under the age of 18, 8.2% aged 18 to 24, 27.8% aged 25 to 44, 23.8% aged 45 to 64, and 13.0% who were 65 years of age or older. The median age was 35.1 years. For every 100 females, there were 95.0 males, and for every 100 females age 18 and over there were 92.0 males age 18 and over. There were 1,324 households, out of which 43.0% had children under the age of 18 living in them. Of all households, 51.4% were married-couple households, 8.1% were
cohabiting couple households, 15.3% were households with a male householder and no spouse or partner present, and 25.3% were households with a female householder and no spouse or partner present. About 19.8% of all households were made up of individuals, and 9.4% had someone living alone who was 65 years of age or older. The average household size was 2.8, and there were 971
families (73.3% of all households). There were 1,360 housing units, of which 2.6% were vacant. The homeowner vacancy rate was 0.8% and the rental vacancy rate was 1.0%.
2010 census At the
2010 census Wheatland had a population of 3,456. The population density was . The racial makeup of Wheatland was 2,633 (76.2%) White, 41 (1.2%) African American, 58 (1.7%) Native American, 203 (5.9%) Asian, 5 (0.1%) Pacific Islander, 278 (8.0%) from
other races, and 238 (6.9%) from two or more races. Hispanic or Latino of any race were 620 people (17.9%). The whole population lived in households, no one lived in non-institutionalized group quarters and no one was institutionalized. There were 1,219 households, 546 (44.8%) had children under the age of 18 living in them, 667 (54.7%) were
opposite-sex married couples living together, 180 (14.8%) had a female householder with no husband present, 68 (5.6%) had a male householder with no wife present. There were 81 (6.6%)
unmarried opposite-sex partnerships, and 1 (0.1%)
same-sex married couples or partnerships. 245 households (20.1%) were one person and 105 (8.6%) had someone living alone who was 65 or older. The average household size was 2.84. There were 915 families (75.1% of households); the average family size was 3.28. The age distribution was 1,024 people (29.6%) under the age of 18, 321 people (9.3%) aged 18 to 24, 968 people (28.0%) aged 25 to 44, 783 people (22.7%) aged 45 to 64, and 360 people (10.4%) who were 65 or older. The median age was 33.2 years. For every 100 females, there were 93.0 males. For every 100 females aged 18 and over, there were 91.0 males. There were 1,323 housing units at an average density of 890.4 per square mile, of the occupied units 765 (62.8%) were owner-occupied and 454 (37.2%) were rented. The homeowner vacancy rate was 3.3%; the rental vacancy rate was 5.4%. 2,160 people (62.5% of the population) lived in owner-occupied housing units and 1,296 people (37.5%) lived in rental housing units. ==Education==