| Official Name: | Martin City, Montana |
| Settlement Type: | Census-designated place |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Montana |
| Subdivision Type2: | County |
| Subdivision Name2: | Flathead |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 4.56 |
| Area Land Km2: | 4.48 |
| Area Water Km2: | 0.08 |
| Area Total Sq Mi: | 1.76 |
| Area Land Sq Mi: | 1.73 |
| Area Water Sq Mi: | 0.03 |
| Population As Of: | 2020 |
| Population Total: | 461 |
| Population Density Km2: | 102.99 |
| Population Density Sq Mi: | 266.78 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 3206 |
| Coordinates: | 48.3906°N -114.0353°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 59926 |
| Area Code: | 406 |
| Blank Name: | FIPS code |
| Blank Info: | 30-48100 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0786878 |
Martin City is an unincorporated community and census-designated place (CDP) in Flathead County, Montana, United States. As of the 2010 census, it had a population of 500,[2] up from 331 in 2000.
Martin City owes its existence to the early 1950s construction of the Hungry Horse Dam.[3]
Martin City is located in central Flathead County at 48.3906°N -114.0353°W (48.390443, -114.035250),[4] between Hungry Horse to the southwest and Coram to the north. U.S. Route 2 passes through the community, leading northeast 9miles to West Glacier and southwest to Kalispell.
According to the United States Census Bureau, the CDP has a total area of 4.5km2, of which 0.05sqkm, or 1.16%, is water.[2] Martin City is located on the east side of the Flathead River.
As of the census[5] of 2000, there were 331 people, 142 households, and 94 families residing in the CDP. The population density was 696.2sp=usNaNsp=us. There were 163 housing units at an average density of 342.8sp=usNaNsp=us. The racial makeup of the CDP was 88.52% White, 8.46% Native American, 0.30% from other races, and 2.72% from two or more races. Hispanic or Latino of any race were 0.60% of the population.
There were 142 households, out of which 30.3% had children under the age of 18 living with them, 53.5% were married couples living together, 7.0% had a female householder with no husband present, and 33.1% were non-families. 28.9% of all households were made up of individuals, and 9.2% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 2.82.
In the CDP, the population was spread out, with 23.3% under the age of 18, 7.3% from 18 to 24, 29.9% from 25 to 44, 31.4% from 45 to 64, and 8.2% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 103.1 males. For every 100 females age 18 and over, there were 108.2 males.
The median income for a household in the CDP was $21,250, and the median income for a family was $31,500. Males had a median income of $23,500 versus $11,458 for females. The per capita income for the CDP was $12,896. About 13.8% of families and 24.4% of the population were below the poverty line, including 29.2% of those under age 18 and none of those age 65 or over.