Data / Rankings / Housing units authorized by building permits / Counties in Connecticut

Counties in Connecticut by housing units authorized by building permits

Capitol Planning Region had the highest housing units authorized by building permits of 9 counties in 2024, at 1,618. Northwest Hills Planning Region had the lowest, at 141. The median was 509. Source: the U.S. Census Bureau.

Highest1,618Capitol Planning Region
Lowest141Northwest Hills Planning Region
Median5099 counties

All counties, 2024

CSVChart (SVG)

Capitol Planning RegionCapitol Planning Region: 1,618 count1,618Western Connecticut Planning Regi…Western Connecticut Planning Region: 1,094 count1,094South Central Connecticut Plannin…South Central Connecticut Planning Region: 1,014 count1,014Greater Bridgeport Planning RegionGreater Bridgeport Planning Region: 818 count818Southeastern Connecticut Planning…Southeastern Connecticut Planning Region: 509 count509Naugatuck Valley Planning RegionNaugatuck Valley Planning Region: 317 count317Lower Connecticut River Valley Pl…Lower Connecticut River Valley Planning Region: 269 count269Northeastern Connecticut Planning…Northeastern Connecticut Planning Region: 146 count146Northwest Hills Planning RegionNorthwest Hills Planning Region: 141 count141
count. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-10.

Full ranking

RankCounties2024
count		Change on 2023
1Capitol Planning Region Estimated1,618-12.2%
2Western Connecticut Planning Region Estimated1,094-18.1%
3South Central Connecticut Planning Region Estimated1,014-28.9%
4Greater Bridgeport Planning Region Estimated818+282.2%
5Southeastern Connecticut Planning Region Estimated509+51.9%
6Naugatuck Valley Planning Region Estimated317-50.3%
7Lower Connecticut River Valley Planning Region Estimated269+25.1%
8Northeastern Connecticut Planning Region Estimated146+4.3%
9Northwest Hills Planning Region Estimated141+13.7%

Other periods

About this ranking

Annual number of new privately owned housing units authorized by building permits, from the US Census Bureau Building Permits Survey.

Final annual county estimates include imputation for missing reports. Counts housing units, not buildings, starts, completions or sales. Covers permit-issuing areas; areas where permits are not required are outside the survey. Not seasonally adjusted or expressed as an annualized monthly rate. The total is the sum of units in the four published structure categories; inputs are retained.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Building Permits Survey: final annual county estimates of new privately owned housing units authorized, including imputation. https://www2.census.gov/econ/bps/County/co2024a.txt. Retrieved 2026-10-10.

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Rank Counties in Connecticut by housing units authorized by building permits using official data, and cite the source.
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Questions

Which county has the highest housing units authorized by building permits?

Capitol Planning Region, with 1,618 in 2024, according to the U.S. Census Bureau.

Which county has the lowest housing units authorized by building permits?

Northwest Hills Planning Region, with 141 in 2024.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Building Permits Survey: final annual county estimates of new privately owned housing units authorized, including imputation. Retrieved 2026-10-10.

Housing units authorized by building permits: other rankings

Counties in Connecticut: more rankings