is a city in Johnson County
, United States
. The population was 3,900 at the 2000 census
. It is the county seat
of Johnson County
. In recent years, the town has boomed economically due to methane
production from the coal bed methane extraction
method used in the Powder River Basin
and surrounding areas.
Buffalo is located at (44.347479, -106.701222).
According to the United States Census Bureau, the city has a total area of 3.5 square miles (9.1 km²), all of it land.
As of the census
of 2000, there were 3,900 people, 1,718 households, and 1,042 families residing in the city. The population density
was 1,104.8 people per square mile (426.6/km²). There were 1,842 housing units at an average density of 521.8/sq mi (201.5/km²). The racial makeup of the city was 96.46% White
, 0.10% African American
, 0.82% Native American
, 0.05% Asian
, 0.54% from other races
, and 2.03% from two or more races. Hispanic
of any race were 1.82% of the population.
There were 1,718 households out of which 26.1% had children under the age of 18 living with them, 48.8% were married couples living together, 8.4% had a female householder with no husband present, and 39.3% were non-families. 35.3% of all households were made up of individuals and 16.1% had someone living alone who was 65 years of age or older. The average household size was 2.21 and the average family size was 2.88.
In the city the population was spread out with 23.1% under the age of 18, 5.6% from 18 to 24, 22.6% from 25 to 44, 27.1% from 45 to 64, and 21.5% who were 65 years of age or older. The median age was 44 years. For every 100 females there were 93.5 males. For every 100 females age 18 and over, there were 89.4 males.
The median income for a household in the city was $29,392, and the median income for a family was $40,683. Males had a median income of $28,716 versus $19,688 for females. The per capita income for the city was $19,054. About 6.7% of families and 10.4% of the population were below the poverty line, including 7.0% of those under age 18 and 12.4% of those age 65 or over.
Buffalo is located near the northern terminus of Interstate 25
, where it junctions with Interstate 90