Northeastern Connecticut Planning Region, Connecticut

The least populous of Connecticut's 9 planning regions.

Planning RegionFIPS 09150

Within Connecticut
Northeastern Connecticut Planning Region, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data.

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Population
98,096
+2,884 (+3.0%) since 2020
Land area
553.9
square miles. A further 1.6% of the total area is water
Population density
177
people per square mile, computed rather than published
County seat
Not available
Northeastern Connecticut Planning Region has no county government.
Established
Not available
Largest city
Danielson borough
Population 4,265.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Northeastern Connecticut Planning Region with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Northeastern Connecticut Planning Region, Connecticut from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 540 by 800 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Northeastern Connecticut Planning Region ranks

Position among the 9 planning regions of Connecticut, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn ConnecticutNationally
Population98,0969th of 9638th of 3,144
Land area553.9 sq mi4th of 91,879th of 3,144
Population density177 per sq mi8th of 9609th of 3,144
Median household income$90,5895th of 9287th of 3,143

Full data for Northeastern Connecticut Planning Region

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population98,096Vintage 2025 Population Estimates
Population in 202095,212Vintage 2025 Population Estimates
2020 estimates base?95,314Vintage 2025 Population Estimates
Land area553.9 sq mi2025 Gazetteer Files
Water area9.3 sq mi2025 Gazetteer Files
Total area563.2 sq mi2025 Gazetteer Files
Population density?177 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$90,589American Community Survey 2020-2024 5-Year Estimates
Median home value$307,600American Community Survey 2020-2024 5-Year Estimates
Median age44.1American Community Survey 2020-2024 5-Year Estimates
Households39,412American Community Survey 2020-2024 5-Year Estimates
Housing units41,736American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-81
850 births, 931 deaths
Net migration
+547
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 7 areas bordering Northeastern Connecticut Planning Region

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Southeastern Connecticut Planning RegionConnecticut33 mi284,015
Capitol Planning RegionConnecticut23 mi994,115
Providence CountyRhode Island20 mi678,179
Worcester CountyMassachusetts18 mi888,502
Kent CountyRhode Island8.9 mi173,495
Washington CountyRhode Island6.3 mi129,795
Hampden CountyMassachusetts3.6 mi464,338

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 9 planning regions of Connecticut

Open the interactive Connecticut county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.