Market insights · CT
Connecticut: where people are moving, county by county
Connecticut has 3,688,496 residents across 9 counties, up 3.0% in five years. Net movement with other states in 2022–2023: -5,674 tax returns and -$460.0M in income. Strongest net in-migration: Northeastern Connecticut Planning Region, Southeastern Connecticut Planning Region, Northwest Hills Planning Region.
All 9 counties
Largest first. Growth is the five-year change in Census population estimates; net movement is IRS tax returns (roughly households) moving in minus out, per 1,000 residents, 2022–2023. BizyFi calculations from those totals. Income, home value and rent: Census ACS 5-year 2024.
| County | Population | 5-yr growth | Net per 1,000 | Net income in | Median income | Median home | Median rent | |
|---|---|---|---|---|---|---|---|---|
| Capitol Planning Region | 994,115 | +3.1% | -1.6 | -$298.5M | $93,394 | $323,700 | $1,411 | Map |
| Western Connecticut Planning Region | 640,482 | +3.5% | -4.0 | +$97.4M | $128,188 | $652,900 | $2,110 | Map |
| South Central Connecticut Planning Region | 578,741 | +2.5% | -2.0 | -$215.5M | $88,197 | $353,100 | $1,525 | Map |
| Naugatuck Valley Planning Region | 463,349 | +3.2% | +0.7 | -$23.7M | $86,191 | $317,700 | $1,330 | Map |
| Greater Bridgeport Planning Region | 337,697 | +4.1% | -3.9 | -$54.8M | $89,667 | $428,800 | $1,546 | Map |
| Southeastern Connecticut Planning Region | 284,015 | +2.0% | +1.1 | +$4.4M | $86,586 | $323,400 | $1,365 | Map |
| Lower Connecticut River Valley Planning Region | 177,311 | +2.3% | -0.4 | -$16.4M | $104,428 | $379,700 | $1,454 | Map |
| Northwest Hills Planning Region | 114,690 | +2.2% | +0.9 | +$25.5M | $93,551 | $335,600 | $1,193 | Map |
| Northeastern Connecticut Planning Region | 98,096 | +3.0% | +3.2 | +$21.6M | $90,589 | $307,600 | $1,155 | Map |
Growing in Connecticut?
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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Growth, per-1,000 and state totals are BizyFi calculations; the IRS suppresses very small flows, shown as –. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.