Last updated: March 25, 2026
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Statewide & County Tax Rate Trends
Average mill rates by county, 2019–2026. Click a county in the legend to toggle.
Municipality Deep-Dive
Tax Rate Visualization
Historical Trends
Statistics Summary
Select municipalities to view statistics
Tax Rate Rankings
Tax Rate Time-Lapse Map
Watch how property tax rates shift across Connecticut from 2019 to 2026. Hover over any town for details.
2019
How to Use This Tool
- County Trends: The first chart shows average rates for each of Connecticut's 8 counties. Click legend items to isolate counties.
- Municipality Deep-Dive: Select a county, then check individual towns to compare their rate history, current rates, or percent change.
- Rankings: See which towns have the highest or lowest rates in any year from 2019 to 2026.
- Time-Lapse Map: Press Play to watch an animated choropleth of all 169 municipalities. Use the slider to jump to a specific year.
About the Data
This tool displays property tax mill rates (per $1,000 of assessed value) for all 169 Connecticut municipalities from 2019 to 2026. Rates vary due to differences in property assessments, municipal budgets, school funding, and local services.
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