This climatic region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. According to the Köppen Climate Classification system, Lavina has a humid continental climate, abbreviated "Dfb" on climate maps.[6]
As of the census[8] of 2010, there were 187 people, 79 households, and 52 families residing in the town. The population density was 187.0 inhabitants per square mile (72.2/km2). There were 91 housing units at an average density of 91.0 per square mile (35.1/km2). The racial makeup of the town was 89.3% White, 0.5% Native American, 1.6% Asian, 3.7% from other races, and 4.8% from two or more races. Hispanic or Latino of any race were 3.7% of the population.
There were 79 households, of which 26.6% had children under the age of 18 living with them, 50.6% were married couples living together, 7.6% had a female householder with no husband present, 7.6% had a male householder with no wife present, and 34.2% were non-families. 32.9% of all households were made up of individuals, and 11.4% had someone living alone who was 65 years of age or older. The average household size was 2.37 and the average family size was 3.00.
The median age in the town was 44.5 years. 25.7% of residents were under the age of 18; 7.5% were between the ages of 18 and 24; 17.6% were from 25 to 44; 33.2% were from 45 to 64; and 16% were 65 years of age or older. The gender makeup of the town was 51.3% male and 48.7% female.
2000 census
As of the census[9] of 2000, there were 209 people, 85 households, and 57 families residing in the town. The population density was 206.9 inhabitants per square mile (79.9/km2). There were 98 housing units at an average density of 97.0 per square mile (37.5/km2). The racial makeup of the town was 98.56% White, 0.48% Asian, and 0.96% from two or more races. Hispanic or Latino of any race were 3.35% of the population.
There were 85 households, out of which 29.4% had children under the age of 18 living with them, 57.6% were married couples living together, 5.9% had a female householder with no husband present, and 32.9% were non-families. 28.2% of all households were made up of individuals, and 11.8% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 2.96.
In the town, the population was spread out, with 26.8% under the age of 18, 5.3% from 18 to 24, 23.4% from 25 to 44, 33.0% from 45 to 64, and 11.5% who were 65 years of age or older. The median age was 43 years. For every 100 females there were 90.0 males. For every 100 females age 18 and over, there were 96.2 males.
The median income for a household in the town was $24,643, and the median income for a family was $28,750. Males had a median income of $36,250 versus $23,750 for females. The per capita income for the town was $12,475. About 17.6% of families and 20.4% of the population were below the poverty line, including 21.0% of those under the age of eighteen and 20.7% of those 65 or over.
Lavina Public Schools educates students from kindergarten through 12th grade.[11] Lavina High School is a Class C school[12] (fewer than 108 students) which helps determine athletic competitions. They are known as the Pirates.
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