| Jamestown Township | |
| Settlement Type: | Township |
| Pushpin Map: | Minnesota#USA |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location within the state of Minnesota |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Minnesota |
| Subdivision Type2: | County |
| Subdivision Name2: | Blue Earth |
| Unit Pref: | Imperial |
| Area Total Km2: | 45.4 |
| Area Land Km2: | 39.7 |
| Area Water Km2: | 5.7 |
| Area Total Sq Mi: | 17.5 |
| Area Land Sq Mi: | 15.3 |
| Area Water Sq Mi: | 2.2 |
| Population As Of: | 2000 |
| Population Total: | 628 |
| Population Density Km2: | 15.8 |
| Population Density Sq Mi: | 40.9 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation M: | 310 |
| Elevation Ft: | 1017 |
| Coordinates: | 44.2203°N -93.8278°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 56063[1] |
| Area Code: | 507 |
| Blank Name: | FIPS code |
| Blank Info: | 27-31688[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0664571[3] |
Jamestown Township is a township in Blue Earth County, Minnesota, United States. The population was 628 as of the 2000 census.[4]
Jamestown Township was organized in 1858, and named after Jamestown, Virginia.[5]
According to the United States Census Bureau, the township has a total area of 17.5sqmi, of which 15.3sqmi is land and 2.2sqmi (12.54%) is water.
The vast majority of the city of Madison Lake is within the township geographically but is a separate entity.
The township includes the following cemeteries: Calvary and Sugar Grove.
As of the census of 2000, there were 628 people, 231 households, and 182 families residing in the township. The population density was 40.9sp=usNaNsp=us. There were 354 housing units at an average density of 23.1/sq mi (8.9/km). The racial makeup of the township was 99.68% White, and 0.32% from two or more races. Hispanic or Latino of any race were 0.64% of the population.
There were 231 households, out of which 34.2% had children under the age of 18 living with them, 72.7% were married couples living together, 3.0% had a female householder with no husband present, and 21.2% were non-families. 17.7% of all households were made up of individuals, and 6.1% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.09.
In the township the population was spread out, with 26.3% under the age of 18, 6.5% from 18 to 24, 25.3% from 25 to 44, 30.4% from 45 to 64, and 11.5% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 103.2 males. For every 100 females age 18 and over, there were 103.1 males.
The median income for a household in the township was $56,875, and the median income for a family was $62,188. Males had a median income of $36,071 versus $27,353 for females. The per capita income for the township was $26,014. About 2.8% of families and 3.6% of the population were below the poverty line, including 2.5% of those under age 18 and none of those age 65 or over.