Mind-boggled by Maryland Demographics?

Get the Maryland demographic data that you need. You can get the most current Maryland data from the US Census Bureau without spending 8 to 10 high-value hours searching the internet.

The Maryland population is 6,148,545 people according to the US Census Bureau's 2021 American Community Survey.
The Maryland median household income in the past 12 months is $91,431 in 2021 inflation-adjusted dollars according to the US Census Bureau's 2021 American Community Survey.
Maryland has 2,516,341 housing units according to the US Census Bureau's 2021 American Community Survey.

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How Current are the Data?

The Maryland demographics on this site are the most current data available from the US Census Bureau.

Currently, most data points are from 2021 datasets – specifically the 2021 American Community Survey (ACS) 5-year dataset. We use the Census' ACS 5-year dataset for 3 reasons.

It's updated every year.
It typically has the smallest margins of error of the Census' ACS datasets.
It allows for apples to apples comparisons of large geographies to small geographies (i.e. state data to city data).

We're constantly updating the demographic reports and this site with the most current data throughout the year.

Got questions about these Maryland demographics? Call us at 1-800-939-2130.

Maryland Counties by Population

1	Montgomery County	1,057,201
2	Prince George's County	957,767
3	Baltimore County	850,702
4	Baltimore city/county	592,211
5	Anne Arundel County	584,064
6	Howard County	329,248
7	Frederick County	267,498
8	Harford County	259,162
9	Carroll County	172,148
10	Charles County	165,209

See all Maryland Counties by Population

Maryland Cities by Population

1	Baltimore	592,211
2	Columbia	105,086
3	Germantown	90,235
4	Silver Spring	82,472
5	Waldorf	79,190
6	Frederick	76,376
7	Ellicott City	74,432
8	Glen Burnie	69,739
9	Gaithersburg	68,827
10	Rockville	67,095