Demographics & People — Montgomery County, Pennsylvania

Population & Households

Population (official)856,399
Median Age41.20
Veterans34,720
Housing Units346,692
Uninsured5,374

Migration

Inflow819,444
Outflow817,836
Net1,608
GrowingYes
Year2022-2023

Source: Census ACS 5-Year 2022. Official numbers: Census ACS 5-Year 2022 — county-level query.

Data provenance: aggregated from town-level sources, county.json. Rebuilt 2026-04-13T15:43:30.294197+00:00; aggregated 2026-04-13T16:08:25.394558+00:00.