CountyAtlas Connecticut
Connecticut Planning Region Map with Cities — All 9 Planning Regions
All 9 of Connecticut's planning regions, mapped from official U.S. Census boundaries with population, income, and unemployment for every one. Colour the map by any measure, tap a planning region for its data, or download a print-ready copy.
Tap any county for its population, income, and more.
Connecticut at a glance
- Scale. Connecticut is divided into 9 planning regions across 4,843 sq mi of land — an average of 538 sq mi each. Census TIGER
- People. Its planning regions are home to 3,617,176 residents — an average of 401,908 each, or 747 per square mile statewide. Census PEP 2023
- Water. Another 701 sq mi is water — 12.6% of the state’s area, led by South Central Connecticut Planning Region. Census TIGER
Connecticut’s 9 planning regions, by the numbers
Every planning region’s population, median household income, unemployment, density, and land area — sortable by any column, so you can find yours or rank by what matters to you. A few patterns run through the data:
- Concentrated. Half of Connecticut’s 3,617,176 residents live in just 3 of 9 planning regions, and the five largest hold 81.6% of the total. Census PEP 2023
- Income tracks poverty. The gap from richest to poorest runs 1.5×, and the 4 highest-income planning regions average 8.7% in poverty against 11.0% for the 4 lowest. Census SAIPE 2023
- Mostly small. Half of Connecticut’s planning regions have fewer than 327,651 residents, and half report a median household income below $90,965. Census PEP 2023 · SAIPE 2023
- Lopsided density. Only 5 of 9 planning regions are denser than Connecticut’s statewide average of 747 people per square mile — the rest are more rural. Census PEP 2023 · TIGER
| Capitol Planning Region | 975,328 | $90,965 | 5.1% | 949/sq mi | 1,027 sq mi | — |
| Greater Bridgeport Planning Region | 327,651 | $92,858 | 5.8% | 2,337/sq mi | 140 sq mi | — |
| Lower Connecticut River Valley Planning Region | 176,215 | $99,807 | 4.1% | 415/sq mi | 424 sq mi | — |
| Naugatuck Valley Planning Region | 456,128 | $81,392 | 5.6% | 1,105/sq mi | 413 sq mi | — |
| Northeastern Connecticut Planning Region | 96,692 | $88,129 | 5.0% | 175/sq mi | 554 sq mi | — |
| Northwest Hills Planning Region | 113,463 | $91,206 | 4.3% | 144/sq mi | 787 sq mi | — |
| South Central Connecticut Planning Region | 568,158 | $80,953 | 5.1% | 1,547/sq mi | 367 sq mi | — |
| Southeastern Connecticut Planning Region | 279,634 | $82,733 | 4.7% | 467/sq mi | 598 sq mi | — |
| Western Connecticut Planning Region | 623,907 | $121,285 | 4.4% | 1,172/sq mi | 532 sq mi | — |
All 9 planning regions, sortable by any column — click a heading. A suppressed estimate (coefficient of variation ≥ 0.30) shows a marker, never a guess. County seats are from Wikidata (CC0), each validated to a Census place inside its county; a county with no validated seat is left blank. See the methodology.
Download & print this Connecticut map
Connecticut maps, coloured by the data
Cities in Connecticut
Connecticut has 30 incorporated cities and boroughs. The largest is Bridgeport in Greater Bridgeport Planning Region with 148,012 residents. Use the search on the map above to find any city and highlight the county it sits in.
| Bridgeport | Greater Bridgeport Planning Region | 148,012 |
| Stamford | Western Connecticut Planning Region | 135,806 |
| New Haven | South Central Connecticut Planning Region | 132,893 |
| Hartford | Capitol Planning Region | 119,970 |
| Waterbury | Naugatuck Valley Planning Region | 114,356 |
| Norwalk | Western Connecticut Planning Region | 91,375 |
| Danbury | Western Connecticut Planning Region | 86,086 |
| New Britain | Capitol Planning Region | 73,301 |
| Bristol | Naugatuck Valley Planning Region | 61,129 |
| Meriden | South Central Connecticut Planning Region | 60,418 |
| West Haven | South Central Connecticut Planning Region | 55,147 |
| Milford city (balance) | South Central Connecticut Planning Region | 50,749 |
| Middletown | Lower Connecticut River Valley Planning Region | 47,646 |
| Shelton | Naugatuck Valley Planning Region | 41,402 |
| Norwich | Southeastern Connecticut Planning Region | 39,992 |
| Torrington | Northwest Hills Planning Region | 35,481 |
| Naugatuck (borough) | Naugatuck Valley Planning Region | 31,634 |
| New London | Southeastern Connecticut Planning Region | 27,199 |
| Ansonia | Naugatuck Valley Planning Region | 18,951 |
| Derby | Naugatuck Valley Planning Region | 12,359 |
| Groton | Southeastern Connecticut Planning Region | 9,343 |
| Danielson (borough) | Northeastern Connecticut Planning Region | 4,185 |
| Jewett City (borough) | Southeastern Connecticut Planning Region | 3,412 |
| Newtown (borough) | Western Connecticut Planning Region | 1,968 |
| Woodmont (borough) | South Central Connecticut Planning Region | 1,591 |
| Litchfield (borough) | Northwest Hills Planning Region | 1,274 |
| Stonington (borough) | Southeastern Connecticut Planning Region | 934 |
| Bantam (borough) | Northwest Hills Planning Region | 762 |
| Groton Long Point (borough) | Southeastern Connecticut Planning Region | 511 |
| Fenwick (borough) | Lower Connecticut River Valley Planning Region | 42 |
A city can span more than one county; each is listed in its primary county — the one its center falls in.
Which Connecticut planning region is the richest, largest, most crowded? The answers
- Connecticut’s highest median household income is in Western Connecticut Planning Region ($121,285); the lowest is in South Central Connecticut Planning Region ($80,953). Census SAIPE 2023
- Connecticut’s most populous planning region is Capitol Planning Region (975,328); the least populous is Northeastern Connecticut Planning Region (96,692) — a 10× spread. Census PEP 2023
- Connecticut’s largest planning region by land area is Capitol Planning Region (1,027 sq mi); the smallest is Greater Bridgeport Planning Region (140 sq mi). Census TIGER
- Connecticut’s highest population density is in Greater Bridgeport Planning Region (2,337/sq mi); the lowest is in Northwest Hills Planning Region (144/sq mi). Census PEP 2023 · TIGER
- Connecticut’s highest poverty rate is in South Central Connecticut Planning Region (12.5%); the lowest is in Lower Connecticut River Valley Planning Region (7.1%). Census SAIPE 2023
- In Connecticut, unemployment is highest in Greater Bridgeport Planning Region (5.8%) and lowest in Lower Connecticut River Valley Planning Region (4.1%), for May 2026. BLS LAUS
- Connecticut’s highest median age is in Northwest Hills Planning Region (47.1); the lowest is in Greater Bridgeport Planning Region (40.0). Census ACS 2019–2023
- Connecticut’s highest share of bachelor’s degrees is in Western Connecticut Planning Region (55.0% of adults); the lowest is in Northeastern Connecticut Planning Region (26.2%). Census ACS 2019–2023
Every figure is a current official estimate from the source named — not a crowd-sourced or copied value. Suppressed estimates (coefficient of variation ≥ 0.30) are omitted, never guessed. See the full methodology.
Connecticut planning regions: common questions
How many planning regions are in Connecticut?
Connecticut has 9 planning regions covering 4,843 sq mi and about 3.6M residents. Every one is on the map above and in the table below.
What is the largest planning region in Connecticut?
It depends on the measure. By land area it’s Capitol Planning Region (1,027 sq mi); by population it’s Capitol Planning Region (975,328 residents).
What planning region is Bridgeport in?
Bridgeport (population 148,012) is in Greater Bridgeport Planning Region. Use the search on the map to find any Connecticut city’s planning region.
What is the richest planning region in Connecticut?
By median household income, Western Connecticut Planning Region is the richest at $121,285; the poorest is South Central Connecticut Planning Region at $80,953 (Census SAIPE 2023).
What is the most populous planning region in Connecticut?
Capitol Planning Region, with 975,328 residents — about 27.0% of Connecticut’s people, and 10× the least populous, Northeastern Connecticut Planning Region (96,692).
Sources & vintages
- Population — PEP Vintage 2023 (July 1, 2023) — pep/charv
- Median household income & poverty — SAIPE 2023
- Unemployment — BLS LAUS May 2026 (preliminary)
- Geometry & boundaries — Census TIGERweb
- Cities & city population — Census TIGERweb Incorporated Places + ACS 5-year 2019–2023
Data current through .