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Montgomery County, PA Data & Mapping Services

Community Profile

A census-only look at Montgomery County and its municipalities, straight from the U.S. Census Bureau API — population, age, race and ethnicity, and housing. Switch between the 2020 Census (the once-a-decade complete count) and the American Community Survey (updated every year, with income, poverty, and education) to see both maps and charts for each.

How to use: Use the toggle below to pick a dataset. The profile shows the whole county by default — choose a municipality from the menu for its numbers instead. Scroll down for a tract-by-tract map of the same data.

The American Community Survey is the Census Bureau's continuously-updated survey. Figures below are estimates with a margin of error, especially for small municipalities.

The 2020 Census is a complete count taken on April 1, 2020 — not a sample, so there's no margin of error. It only counts population, age, race & ethnicity, and housing units. Income, poverty, and education aren't collected by the decennial census — switch to ACS 5-Year Estimates above for those.

Profile

American Community Survey, 5-Year Estimates
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Map explorer

Every census tract in the county, shaded by whichever indicator you pick. Hover a tract to see its value, or click to pin it and compare against the county.

Census tracts · ACS 5-Year Estimates

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Tract details

Hover or click any tract on the map to see its numbers here.

County comparison

Select a tract to compare it against the county.

U.S. Census Bureau, American Community Survey 5-Year Estimates. Tract data is retrieved live from the Census Bureau API; tract boundaries come from Esri Living Atlas. Nothing is copied or cached by this portal. For county-maintained data — growth forecasts and housing developments — see the Community Atlas. For the underlying layers, browse the Datasets catalog.