2020 census

The 2020 United States census counted 151 people, 67 households, and 44 families in Garfield.^[7][8] The population density was 280.7 per square mile (108.4/km²). There were 96 housing units at an average density of 178.4 per square mile (68.9/km²).^[8][9] The racial makeup was 78.81% (119) white or European American (77.48% non-Hispanic white), 0.0% (0) black or African-American, 0.66% (1) Native American or Alaska Native, 0.0% (0) Asian, 0.0% (0) Pacific Islander or Native Hawaiian, 10.6% (16) from other races, and 9.93% (15) from two or more races.^[10] Hispanic or Latino of any race was 15.89% (24) of the population.^[11]

Of the 67 households, 25.4% had children under the age of 18; 46.3% were married couples living together; 26.9% had a female householder with no spouse or partner present. 28.4% of households consisted of individuals and 9.0% had someone living alone who was 65 years of age or older.^[8] The average household size was 2.6 and the average family size was 3.6.^[12] The percent of those with a bachelor’s degree or higher was estimated to be 6.6% of the population.^[13]

22.5% of the population was under the age of 18, 5.3% from 18 to 24, 20.5% from 25 to 44, 35.1% from 45 to 64, and 16.6% who were 65 years of age or older. The median age was 48.3 years. For every 100 females, there were 118.8 males.^[8] For every 100 females ages 18 and older, there were 112.7 males.^[8]

The 2016-2020 5-year American Community Survey estimates show that the median household income was $48,750 (with a margin of error of +/- $20,148) and the median family income was $61,500 (+/- $21,653).^[14] Males had a median income of $50,500 (+/- $28,062) versus $27,813 (+/- $7,657) for females. The median income for those above 16 years old was $29,688 (+/- $13,471).^[15] Approximately, 20.8% of families and 27.0% of the population were below the poverty line, including 31.7% of those under the age of 18 and 0.0% of those ages 65 or over.^[16][17]

2010 census

At the 2010 census,^[18] there were 190 people, 82 households and 49 families residing in the city. The population density was 351.9 per square mile (135.9/km²). There were 102 housing units at an average density of 188.9 per square mile (72.9/km²). The racial makeup was 92.6% White, 2.1% Native American, and 5.3% from two or more races. Hispanic or Latino of any race were 6.8% of the population.

There were 82 households, of which 17.1% had children under the age of 18 living with them, 52.4% were married couples living together, 6.1% had a female householder with no husband present, 1.2% had a male householder with no wife present, and 40.2% were non-families. 32.9% of all households were made up of individuals, and 21.9% had someone living alone who was 65 years of age or older. The average household size was 2.32 and the average family size was 2.90.

The median age was 49.4 years. 20.5% of residents were under the age of 18; 6.9% were between the ages of 18 and 24; 16.9% were from 25 to 44; 35.3% were from 45 to 64; and 20.5% were 65 years of age or older. The gender makeup of the city was 45.8% male and 54.2% female.

2000 census

At the 2000 census,^[19] there were 198 people, 83 households and 62 families residing in the city. The population density was 369.3 per square mile (142.6/km²). There were 97 housing units at an average density of 180.9 per square mile (69.8/km²). The racial makeup was 97.98% White, 0.51% African American, 0.51% Native American, 0.51% from other races, and 0.51% from two or more races. Hispanic or Latino of any race were 0.51% of the population.

There were 83 households, of which 31.3% had children under the age of 18 living with them, 60.2% were married couples living together, 8.4% had a female householder with no husband present, and 25.3% were non-families. 24.1% of all households were made up of individuals, and 10.8% had someone living alone who was 65 years of age or older. The average household size was 2.39 and the average family size was 2.74.

25.3% of the population were under the age of 18, 6.6% from 18 to 24, 21.2% from 25 to 44, 26.3% from 45 to 64, and 20.7% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 98.0 males. For every 100 females age 18 and over, there were 94.7 males.

The median household income was $38,500 and the median family income was $39,583. Males had a median income of $23,750 and females $21,250. The per capita income was $15,767. About 4.5% of families and 5.8% of the population were below the poverty line, including 2.1% of those under the age of eighteen and 4.8% of those 65 or over.