2020 census

The 2020 United States census counted 806 people, 296 households, and 215 families in Mount Hope.^[7][8] The population density was 549.4 per square mile (212.1/km²). There were 326 housing units at an average density of 222.2 per square mile (85.8/km²).^[8][9] The racial makeup was 89.95% (725) white or European American (88.21% non-Hispanic white), 0.37% (3) black or African-American, 1.36% (11) Native American or Alaska Native, 0.62% (5) Asian, 0.0% (0) Pacific Islander or Native Hawaiian, 1.86% (15) from other races, and 5.83% (47) from two or more races.^[10] Hispanic or Latino of any race was 4.34% (35) of the population.^[11]

Of the 296 households, 33.8% had children under the age of 18; 57.1% were married couples living together; 20.6% had a female householder with no spouse or partner present. 24.0% of households consisted of individuals and 11.8% had someone living alone who was 65 years of age or older.^[8] The average household size was 2.8 and the average family size was 3.2.^[12] The percent of those with a bachelor’s degree or higher was estimated to be 16.9% of the population.^[13]

24.3% of the population was under the age of 18, 5.5% from 18 to 24, 23.4% from 25 to 44, 23.8% from 45 to 64, and 23.0% who were 65 years of age or older. The median age was 41.0 years. For every 100 females, there were 101.5 males.^[8] For every 100 females ages 18 and older, there were 109.6 males.^[8]

The 2016-2020 5-year American Community Survey estimates show that the median household income was $65,357 (with a margin of error of +/- $18,121) and the median family income was $68,393 (+/- $17,120).^[14] Males had a median income of $47,917 (+/- $13,876) versus $23,750 (+/- $6,079) for females. The median income for those above 16 years old was $32,596 (+/- $8,470).^[15] Approximately, 4.8% of families and 6.3% of the population were below the poverty line, including 8.4% of those under the age of 18 and 3.6% of those ages 65 or over.^[16][17]

2010 census

As of the census^[18] of 2010, there were 813 people, 313 households, and 206 families living in the city. The population density was 560.7 inhabitants per square mile (216.5/km²). There were 348 housing units at an average density of 240.0 per square mile (92.7/km²). The racial makeup of the city was 94.1% White, 0.4% African American, 1.4% Native American, 0.2% Asian, 2.1% from other races, and 1.8% from two or more races. Hispanic or Latino of any race were 4.7% of the population.

There were 313 households, of which 31.3% had children under the age of 18 living with them, 52.4% were married couples living together, 7.7% had a female householder with no husband present, 5.8% had a male householder with no wife present, and 34.2% were non-families. 28.8% of all households were made up of individuals, and 15.6% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 3.09.

The median age in the city was 43.8 years. 23.4% of residents were under the age of 18; 6.4% were between the ages of 18 and 24; 21.5% were from 25 to 44; 29.1% were from 45 to 64; and 19.6% were 65 years of age or older. The gender makeup of the city was 46.1% male and 53.9% female.

2000 census

As of the census^[19] of 2000, there were 830 people, 301 households, and 217 families living in the city. The population density was 810.9 inhabitants per square mile (313.1/km²). There were 319 housing units at an average density of 311.7 per square mile (120.3/km²). The racial makeup of the city was 96.27% White, 0.36% African American, 0.48% Native American, 1.08% from other races, and 1.81% from two or more races. Hispanic or Latino of any race were 3.01% of the population.

There were 301 households, out of which 37.5% had children under the age of 18 living with them, 61.8% were married couples living together, 7.0% had a female householder with no husband present, and 27.6% were non-families. 26.6% of all households were made up of individuals, and 18.3% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 3.14.

In the city, the population was spread out, with 29.0% under the age of 18, 5.3% from 18 to 24, 27.0% from 25 to 44, 20.4% from 45 to 64, and 18.3% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 82.0 males. For every 100 females age 18 and over, there were 81.8 males.

The median income for a household in the city was $38,512, and the median income for a family was $45,625. Males had a median income of $36,484 versus $29,375 for females. The per capita income for the city was $19,103. About 5.5% of families and 3.7% of the population were below the poverty line, including 1.7% of those under age 18 and 5.9% of those age 65 or over.