| Official Name: | Eagle Harbor Township, Michigan |
| Settlement Type: | Civil township |
| Pushpin Map: | Michigan#USA |
| Pushpin Label Position: | left |
| Pushpin Label: | Eagle Harbor Township |
| Pushpin Map Caption: | Location within the state of Michigan##Location within the United States |
| Mapsize: | 250 |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Michigan |
| Subdivision Type2: | County |
| Subdivision Name2: | Keweenaw |
| Government Footnotes: | [1] |
| Leader Title: | Supervisor |
| Leader Name: | Richard Probst |
| Leader Title1: | Clerk |
| Leader Name1: | Jeane Olson |
| Established Title: | Established |
| Established Date: | 1861 |
| Unit Pref: | Imperial |
| Area Total Km2: | 1406.39 |
| Area Land Km2: | 467.26 |
| Area Water Km2: | 939.13 |
| Area Total Sq Mi: | 543.01 |
| Area Land Sq Mi: | 180.41 |
| Area Water Sq Mi: | 362.60 |
| Population As Of: | 2020 |
| Population Total: | 217 |
| Population Density Sq Mi: | 1.71 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 183 |
| Elevation Ft: | 600 |
| Coordinates: | 47.4142°N -88.2897°W |
| Postal Code Type: | ZIP code(s) |
| Postal Code: | 49931 (Houghton)[2] 49950 (Mohawk) |
| Area Code: | 906 |
| Blank Name: | FIPS code |
| Blank Info: | 26-23620[3] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1626201 |
Eagle Harbor Township is a civil township of Keweenaw County in the U.S. state of Michigan. The population was 217 at the 2020 census. The township is located on the Keweenaw Peninsula and also includes the southwestern portion of Isle Royale National Park.
According to the U.S. Census Bureau, the township has a total area of 543.01sqmi, of which 180.41sqmi is land and 362.6sqmi (66.78%) is water.[4]
Including water area, Eagle Harbor Township is the second-largest municipality in the state by total area after McMillan Township in Luce County.
In 2000, there were 281 people, 122 households, and 81 families residing in the township. The population density was 1.6sp=usNaNsp=us. There were 488 housing units at an average density of 2.7sp=usNaNsp=us. Since the 2020 census, its population declined to 217.[6]
According to the 2000 census, the racial and ethnic makeup of the township was 96.09% White, 2.14% African American, 0.36% from other races, and 1.42% from two or more races. Hispanic and Latino Americans of any race were 1.42% of the population. Among its population, 22.6% were of German, 21.8% English, 15.2% Polish, 11.1% Irish and 5.8% French ancestry. At the 2021 American Community Survey, 40.2% were of English, 37.7% German, 5.9% Irish, 5.2% Italian, and 4.2% French ancestry.[7]
In 2000, there were 122 households, out of which 4.1% had children under the age of 18 living with them, 60.7% were married couples living together, 3.3% had a female householder with no husband present, and 32.8% were non-families. 30.3% of all households were made up of individuals, and 14.8% had someone living alone who was 65 years of age or older. The average household size was 1.82 and the average family size was 2.17.
The median income for a household in the township was $38,000, and the median income for a family was $46,250 in 2000. Males had a median income of $41,250 versus $22,292 for females. The per capita income for the township was $29,091. None of the families and 3.6% of the population were living below the poverty line. According to 2021 census estimates, the median income for a household in the township was $85,833.[8] Families had a median income of $125,625; married-couple families $127,500; and non-family households $36,964.
The entire township is served by the Public Schools of Calumet located to the southwest in the village of Calumet in Houghton County.[9]