Millbourne Flag

Millbourne

County:
Delaware County
County Seat:
No
Area (mi²):
0.074
State:
Pennsylvania

Millbourne is a borough located in Delaware County, Pennsylvania. Millbourne has a 2026 population of 1,217. Millbourne is currently growing at a rate of 0.5% annually and its population has increased by 0.5% since the most recent census, which recorded a population of 1,211 in 2020.

1.2K
Total Population
16,419
Density (mi²)
6 0.5%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)