| Official Name: | Millheim, Pennsylvania |
| Settlement Type: | Borough |
| Mapsize: | 250x200px |
| Image Map1: | Map of Pennsylvania highlighting Centre County.svg |
| Mapsize1: | 175px |
| Map Caption1: | Map showing Centre County in Pennsylvania |
| Pushpin Map: | Pennsylvania#USA |
| Pushpin Label: | Millheim |
| Pushpin Label Position: | top |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Centre |
| Leader Title: | Mayor |
| Leader Name: | Lauralee Snyder |
| Established Title: | Settled |
| Established Date: | 1797 |
| Established Title2: | Incorporated (borough) |
| Established Date2: | 1879 |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 3.45 |
| Area Land Km2: | 3.45 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 1.33 |
| Area Land Sq Mi: | 1.33 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 831 |
| Population Density Km2: | 241.00 |
| Population Density Sq Mi: | 624.34 |
| Timezone: | Eastern (EST) |
| Timezone Dst: | EDT |
| Coordinates: | 40.8911°N -77.4758°W |
| Elevation Ft: | 696 |
| Postal Code Type: | Zip code |
| Postal Code: | 16854 |
| Area Code: | 814 |
| Blank Name: | FIPS code |
| Blank Info: | 42-49768 |
Millheim is a borough in Centre County, Pennsylvania, United States. It is part of the State College, Pennsylvania Metropolitan Statistical Area. The population was 904 at the 2010 census. The Millheim Historic District, which includes 176 contributing buildings, was listed on the National Register of Historic Places in 1986.
Millheim is located at (40.890981, -77.475954).[2]
According to the United States Census Bureau, the borough has a total area of 1.3sqmi, all land.
The town was named for having a millhouse situated along Elk Creek; the town still features the mill's raceway, which flows through the downtown area.
As of the census of 2010, there were 904 people, 377 households, and 251 families residing in the borough. The population density was 684.8sp=usNaNsp=us. There were 417 housing units at an average density of 315.9sp=usNaNsp=us. The racial makeup of the borough was 98.2% White, 0.1% Black or African American, 0.1% Native American, 0.1% other, and 1.5% from two or more races.
There were 377 households, out of which 31.6% had children under the age of 18 living with them, 47.7% were married couples living together, 5.6% had a male householder with no wife present, 13.3% had a female householder with no husband present, and 33.4% were non-families. 28.4% of all households were made up of individuals, and 14.0% had someone living alone who was 65 years of age or older. The average household size was 2.40 and the average family size was 2.94.
In the borough the population was spread out, with 25.1% under the age of 18, 6.7% from 18 to 24, 24.6% from 25 to 44, 25.8% from 45 to 64, and 17.8% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 92.8 males. For every 100 females age 18 and over, there were 82.0 males.
The median income for a household in the borough was $43,077, and the median income for a family was $48,029. The per capita income for the borough was $17,335. About 9.9% of families and 10.7% of the population were below the poverty line, including 18.4% of those under age 18 and 3.8% of those age 65 or over.