Census 2020 Population and Housing Unit Summary for Carroll County and Howard County

I thought I would take a look at some of the 2020 Census data about Carroll County and Howard County this morning.

Let’s start with Population Changes between 2010 and 2020 in Carroll and Howard Counties:

  • Carroll County grew from 167,134 to 172,891 (+5,757 or +3.4%)
  • Howard County grew from 287,085 to 332,317 (+45,232 or +15.8%)

Notes:

  • Carroll County had the smallest population increase (by percentage) in the Baltimore Region (that is if you remove Baltimore City from that list).
  • Howard County had the largest increase (by percentage) in the Baltimore Region and the 2nd largest increase in the state (behind Frederick County).
  • The Census “Baltimore Region” includes:
    • Anne Arundel County
    • Baltimore County
    • Carroll County
    • Harford County
    • Howard County
    • Baltimore City

Next up is a look at Percent of Minority Population for Carroll and Howard Counties:

  • Maryland went from 45.3% in 2021 to 52.8% in 2020
  • Carroll County went from 8.8% in 2010 to 15.1% in 2020
  • Howard County went from 40.8% in 2010 to 53.5% in 2020

Here is a chart of the 2020 Total Population By Race for Maryland and the Baltimore Region jurisdictions:

Here are the changes from 2010 to 2020:


My final look this morning is at Housing Units for Carroll County and Howard County:

  • Carroll County added 3,387 housing units between 2010 and 2020 (from 62,406 to 65,793)
  • Howard County added 13,920 housing units between 2010 and 2020 (from 109,282 to 123,202)

Looking at population growth vs housing units:

  • Carroll County population growth of 5,757 and 3,387 housing units comes out to: 1.70 new people added per new unit added
  • Howard County population growth of 45,232 and 13,920 housing units comes out to: 3.25 new people added per new unit added

Looking at Average Household Sizes for each county:

  • Carroll County went from 2.74 down to 2.68
  • Howard County went from 2.72 up to 2.77

You can view this data and more from the Maryland Department of Planning: Maryland State Data Center page here: https://planning.maryland.gov/MSDC/Pages/census/Census2020/2020-pop_hu-summary.aspx

Scott E

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