| Arcadia University | |
| Settlement Type: | Census-designated place Neighborhood of Cheltenham Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Montgomery |
| Subdivision Type3: | Township |
| Subdivision Name3: | Cheltenham |
| Pushpin Map: | USA Pennsylvania#USA |
| Pushpin Map Caption: | Location of Arcadia University in Pennsylvania |
| Coordinates: | 40.0911°N -75.1642°W |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.26 |
| Area Total Sq Mi: | 0.10 |
| Area Land Sq Mi: | 0.10 |
| Area Water Sq Mi: | 0.00 |
| Elevation Ft: | 317 |
| Population As Of: | 2020 |
| Population Total: | 758 |
| Population Density Km2: | 2871.34 |
| Population Density Sq Mi: | 7431.37 |
| Timezone1: | Eastern Standard Time |
| Utc Offset1: | -5 |
| Timezone1 Dst: | Eastern Daylight Time |
| Utc Offset1 Dst: | -4 |
| Postal Code Type: | Zip Code |
| Postal Code: | 19038 |
| Area Codes: | 215, 267 and 445 |
| Blank Name: | FIPS code |
| Blank Info: | 42-02826 |
| Unit Pref: | Imperial |
| Area Land Km2: | 0.26 |
| Area Water Km2: | 0.00 |
thumb|upright=1.1|Knight Hall at Arcardia Universitythumb|upright=1.1|Heinz Hall at Arcardia UniversityArcadia University is a census-designated place[2] located in Cheltenham Township, Montgomery County, Pennsylvania. It is located just off campus at Arcadia University and off Pennsylvania Route 309. As of the 2010 census[3] the population was 595 residents.
With 10,438 people per square mile, Arcadia University is the most densely populated census-designated place in Montgomery County and 33rd most densely populated census-designated place in the U.S. It is one of only two places in Montgomery County that has over 10,000 people per square mile (the other is Conshohocken). This is attributed to the land area consisting mostly of college dormitories.
Arcadia University is home to National Historic Landmark Grey Towers Castle which serves as the main administration building for Arcadia University.