Letts, Iowa

As of the census[8] of 2010, there were 384 people, 148 households, and 110 families residing in the city. The population density was 650.8 inhabitants per square mile (251.3/km²). There were 153 housing units at an average density of 259.3 per square mile (100.1/km²). The racial makeup of the city was 94.8% White, 0.5% Native American, 1.8% Pacific Islander, 1.3% from other races, and 1.6% from two or more races. Hispanic or Latino of any race were 5.2% of the population.

There were 148 households, of which 37.2% had children under the age of 18 living with them, 56.8% were married couples living together, 14.9% had a female householder with no husband present, 2.7% had a male householder with no wife present, and 25.7% were non-families. 23.6% of all households were made up of individuals, and 11.5% had someone living alone who was 65 years of age or older. The average household size was 2.59 and the average family size was 3.05.

The median age in the city was 37.3 years. 26.6% of residents were under the age of 18; 8.3% were between the ages of 18 and 24; 22% were from 25 to 44; 28% were from 45 to 64; and 15.1% were 65 years of age or older. The gender makeup of the city was 51.0% male and 49.0% female.

As of the census[9] of 2000, there were 392 people, 146 households, and 113 families residing in the city. The population density was 706.3 inhabitants per square mile (272.7/km²). There were 151 housing units at an average density of 272.1 per square mile (105.1/km²). The racial makeup of the city was 96.68% White, 0.51% African American, 1.02% Native American, 0.26% Asian, 0.77% from other races, and 0.77% from two or more races. Hispanic or Latino of any race were 3.06% of the population.

There were 146 households, out of which 38.4% had children under the age of 18 living with them, 61.0% were married couples living together, 9.6% had a female householder with no husband present, and 22.6% were non-families. 17.8% of all households were made up of individuals, and 7.5% had someone living alone who was 65 years of age or older. The average household size was 2.68 and the average family size was 3.04.

In the city, the population was spread out, with 28.6% under the age of 18, 8.7% from 18 to 24, 26.0% from 25 to 44, 23.0% from 45 to 64, and 13.8% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 99.0 males. For every 100 females age 18 and over, there were 93.1 males.

The median income for a household in the city was $37,188, and the median income for a family was $40,750. Males had a median income of $32,500 versus $19,375 for females. The per capita income for the city was $17,285. About 4.4% of families and 7.1% of the population were below the poverty line, including 8.0% of those under age 18 and none of those age 65 or over.