| Official Name: | Lake Township, Michigan |
| Settlement Type: | Civil township |
| Pushpin Map: | Michigan#USA |
| Pushpin Label Position: | left |
| Pushpin Label: | Lake Township |
| Pushpin Map Caption: | Location within the state of Michigan |
| Mapsize: | 250 |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Michigan |
| Subdivision Type2: | County |
| Subdivision Name2: | Roscommon |
| Leader Title: | Supervisor |
| Leader Name: | Keith Stiles |
| Leader Title1: | Clerk |
| Leader Name1: | Pam Surprenant |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 35.41 |
| Area Land Sq Mi: | 23.06 |
| Area Water Sq Mi: | 12.35 |
| Population As Of: | 2020 |
| Population Total: | 1119 |
| Population Density Sq Mi: | 48.5 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation M: | 348 |
| Elevation Ft: | 1142 |
| Coordinates: | 44.3783°N -84.7986°W |
| Postal Code Type: | ZIP code(s) |
| Postal Code: | 48629 (Houghton Lake) 49667 (Merritt) |
| Area Code: | 989 |
| Blank Name: | FIPS code |
| Blank Info: | 26-44400[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1626578 |
Lake Township is a civil township of Roscommon County in the U.S. state of Michigan. The population was 1,119 at the 2020 census.
According to the U.S. Census Bureau, the township has a total area of 35.41sqmi, of which 23.06sqmi is land and 12.35sqmi (34.88%) is water.[2]
The township surrounds the northwestern portion of Houghton Lake, and the western section of the township contains the Houghton Lake Flats Flooding State Wildlife Management Area and a portion of the Dead Stream Flooding State Wildlife Management Area. A small portion of the Houghton Lake community extends into Lake Township. The Houghton Lake 48629 ZIP Code serves the majority of the township, except a very small portion of the western edge served by the Merritt 49667 ZIP Code.
As of the census of 2000, there were 1,351 people, 671 households, and 436 families residing in the township. The population density was 56.8sp=usNaNsp=us. There were 1,669 housing units at an average density of 70.1sp=usNaNsp=us. The racial makeup of the township was 98.00% White, 0.30% African American, 0.81% Native American, 0.22% Asian, 0.07% from other races, and 0.59% from two or more races. Hispanic or Latino of any race were 0.52% of the population.
There were 671 households, out of which 12.4% had children under the age of 18 living with them, 56.9% were married couples living together, 5.8% had a female householder with no husband present, and 34.9% were non-families. 30.7% of all households were made up of individuals, and 16.5% had someone living alone who was 65 years of age or older. The average household size was 2.00 and the average family size was 2.41.
In the township the population was spread out, with 12.1% under the age of 18, 4.8% from 18 to 24, 16.4% from 25 to 44, 36.3% from 45 to 64, and 30.4% who were 65 years of age or older. The median age was 56 years. For every 100 females, there were 94.9 males. For every 100 females age 18 and over, there were 92.5 males.
The median income for a household in the township was $29,242, and the median income for a family was $34,821. Males had a median income of $31,125 versus $18,523 for females. The per capita income for the township was $20,793. About 9.7% of families and 14.3% of the population were below the poverty line, including 20.0% of those under age 18 and 7.5% of those age 65 or over.