2020 census
The 2020 United States census counted 68 people, 23 households, and 17 families in Isabel. [8] [9] The population density was 272.0 per square mile (105.0/km2). There were 38 housing units at an average density of 152.0 per square mile (58.7/km2). [9] [10] The racial makeup was 91.18% (62) white or European American (91.18% non-Hispanic white), 0.0% (0) black or African-American, 0.0% (0) Native American or Alaska Native, 0.0% (0) Asian, 0.0% (0) Pacific Islander or Native Hawaiian, 2.94% (2) from other races, and 5.88% (4) from two or more races. [11] Hispanic or Latino of any race was 1.47% (1) of the population. [12]
Of the 23 households, 26.1% had children under the age of 18; 65.2% were married couples living together; 26.1% had a female householder with no spouse or partner present. 26.1% of households consisted of individuals and 8.7% had someone living alone who was 65 years of age or older. [9] The average household size was 2.0 and the average family size was 2.8. [13] The percent of those with a bachelor's degree or higher was estimated to be 1.5% of the population. [14]
23.5% of the population was under the age of 18, 4.4% from 18 to 24, 19.1% from 25 to 44, 23.5% from 45 to 64, and 29.4% who were 65 years of age or older. The median age was 49.0 years. For every 100 females, there were 142.9 males. [9] For every 100 females ages 18 and older, there were 116.7 males. [9]
The 2016-2020 5-year American Community Survey estimates show that the median household income was $51,513 (with a margin of error of +/- $5,024) and the median family income was $66,250 (+/- $37,352). [15] Males had a median income of $51,324 (+/- $6,738) versus $28,000 (+/- $24,938) for females. The median income for those above 16 years old was $50,000 (+/- $25,738). [16] Approximately, 12.1% of families and 6.6% of the population were below the poverty line, including 3.6% of those under the age of 18 and 8.3% of those ages 65 or over. [17] [18]
2010 census
At the 2010 census there were 90 people in 40 households, including 23 families, in the city. The population density was 360.0 inhabitants per square mile (139.0/km2). There were 47 housing units at an average density of 188.0 per square mile (72.6/km2). The racial makup of the city was 96.7% White, 2.2% from other races, and 1.1% from two or more races. Hispanic or Latino of any race were 4.4%. [19]
Of the 40 households 22.5% had children under the age of 18 living with them, 52.5% were married couples living together, 5.0% had a female householder with no husband present, and 42.5% were non-families. 37.5% of households were one person and 7.5% were one person aged 65 or older. The average household size was 2.25 and the average family size was 3.00.
The median age was 37.5 years. 21.1% of residents were under the age of 18; 6.8% were between the ages of 18 and 24; 32.3% were from 25 to 44; 22.3% were from 45 to 64; and 17.8% were 65 or older. The gender makeup of the city was 42.2% male and 57.8% female.
