Buffalo, South Dakota

Buffalo, South Dakota
—  Town  —
Buffalo, South Dakota
Location in Harding County and the state of South Dakota
Coordinates: 45°35′5″N 103°32′42″W / 45.58472°N °W / 45.58472; -103.545
Country United States
State South Dakota
County Harding
Incorporated 1949[1]
 - Total  dunams (1.4 km2 / 0.5 sq mi)
 - Land
 - Water
Population (2000)
 - Total 380
 - Urban density
 - Rural density
 - Metro density
 -  Density
 -  Density
Time zone Mountain (MST) (UTC-7)
 - Summer (DST) MDT (UTC-6)
ZIP code 57720
Area code(s) 605
FIPS code 46-08140
GNIS feature ID 1254110

Buffalo is a town in Harding County, South Dakota, United States. The population was 380 at the 2000 census. It is the county seat of Harding County.



Buffalo was established in 1909. It was named for the large herds of buffalo that once roamed the area.


Buffalo, South Dakota, is located at (45.584845, -103.545001).

According to the United States Census Bureau, the town has a total area of 0.6 square miles (1.4 km²), all of it land.

Buffalo has been assigned the ZIP code 57720 and the FIPS place code 08140.


As of the census of 2000, there were 380 people, 176 households, and 99 families residing in the town. The population density was 693.6 people per square mile (266.8/km²). There were 243 housing units at an average density of 443.5/sq mi (170.6/km²). The racial makeup of the town was 99.21% White, and 0.79% from two or more races. Hispanic or Latino of any race were 1.05% of the population. 26.6% were of German, 25.7% American, 15.9% Norwegian, 8.1% Irish and 6.1% Finnish ancestry according to Census 2000.

There were 176 households out of which 29.5% had children under the age of 18 living with them, 47.7% were married couples living together, 6.3% had a female householder with no husband present, and 43.8% were non-families. 42.0% of all households were made up of individuals and 23.9% had someone living alone who was 65 years of age or older. The average household size was 2.16 and the average family size was 3.02.

In the town the population was spread out with 25.5% under the age of 18, 5.0% from 18 to 24, 22.6% from 25 to 44, 26.3% from 45 to 64, and 20.5% who were 65 years of age or older. The median age was 44 years. For every 100 females there were 90.0 males. For every 100 females age 18 and over, there were 82.6 males.

The median income for a household in the town was $21,875, and the median income for a family was $37,000. Males had a median income of $30,417 versus $16,250 for females. The per capita income for the town was $13,208. About 7.0% of families and 12.2% of the population were below the poverty line, including 8.9% of those under age 18 and 15.6% of those age 65 or over.