| Official Name: | Buchanan, Wisconsin |
| Settlement Type: | Town |
| Motto: | "In the Spirit of Town Government" |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Outagamie |
| Unit Pref: | Imperial |
| Area Total Km2: | 43.8 |
| Area Land Km2: | 43.0 |
| Area Water Km2: | 0.9 |
| Area Total Sq Mi: | 16.9 |
| Area Land Sq Mi: | 16.6 |
| Area Water Sq Mi: | 0.3 |
| Population As Of: | 2000 |
| Population Total: | 5827 |
| Population Density Km2: | 135.6 |
| Population Density Sq Mi: | 351.3 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Footnotes: | [1] |
| Elevation M: | 219 |
| Elevation Ft: | 719 |
| Coordinates: | 44.2572°N -88.2933°W |
| Blank Name: | FIPS code |
| Blank Info: | 55-10750[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1582881 |
| Website: | Town of Buchanan, Wisconsin |
Buchanan is a town in Outagamie County, Wisconsin, United States. The population was 6,755 at the 2010 census.[3] The unincorporated community of Darboy is located in the town.
According to the United States Census Bureau, the town has a total area of 16.9 square miles (43.8 km2), of which, 16.6 square miles (43.0 km2) of it is land and 0.3 square miles (0.9 km2) of it (2.01%) is water.
According to several censuses[4] as of July 1, 2019, there were 7,201 people and 2,678 households. As of the census of 2010, the population density was 440.5 people per square mile (170.1/km2). The racial makeup of the town was 94.4% White, 3.4% Hispanic or Latino, 0.7% from two or more races and 0.4% Asian.
The average number of people per household was 2.66 and 4.9% of households spoke a language other than English.
In the town, the population was spread out, with 6.5% under the age of 5, 26.5% under the age of 18, 73.5% over the age of 18 and 9.6% above the age of 65. The percentage of females was 51.1%.
The median income for a household was $89,028. 5.9% of the population lives in poverty.
Wisconsin International Raceway is located on County Road KK, East of Highway 55 in the town of Buchanan.