OUT OFTHE STORMNEWS

Independent insurance-cost data from public records.

Data · July 2026 data · 15-month trend

Connecticut Flood Insurance Costs

Connecticut's flood insurance cost index stood at $1,621 in July 2026, measured across policies newly written or renewed that month. Premiums there are 64.5% higher than the $986 national figure. The figure is up 6.3% year over year. In all, 2,922 policies were written or renewed across 9 counties that month, and Windham County topped the county table at $2,358.

What we measure: Average premium among policies newly written or renewed that month (NFIP transactions) — not the official in-force average. OpenFEMA transaction data is published on a lag of roughly two months; the latest period shown reflects that lag.

Key facts — July 2026

Average premium
$1,621
Avg total cost (with fees)
$2,031
Change (year over year)
+6.3%
vs national average
+64.5%
Policies written or renewed
2,922
Counties reporting
9

Connecticut trend, last 15 months

Average premium among policies newly written or renewed each month. Bars scale to the highest month shown.

Average NFIP premium, total cost, and policy count by month in Connecticut
MonthAvg premiumPremium relative to highest monthAvg total costPolicies
May 2025$1,544$1,9442,396
June 2025$1,609$2,0202,575
July 2025$1,525$1,9173,035
August 2025$1,402$1,7633,459
September 2025$1,586$1,9973,153
October 2025$1,324$1,6793,140
November 2025$1,400$1,7722,466
December 2025$1,231$1,5553,024
January 2026$1,304$1,6532,449
February 2026$1,499$1,8862,044
March 2026$1,501$1,8922,169
April 2026$1,676$2,1002,027
May 2026$1,674$2,0972,346
June 2026$1,688$2,1112,504
July 2026$1,621$2,0312,922

County breakdown — July 2026

Sorted by average premium, highest first. Rows labeled with a FIPS code are reporting areas without a matched county name. Watch the policy count before reading much into small-county averages.

Average NFIP premium by county in Connecticut, July 2026
CountyAvg premiumPremium relative to highest countyAvg total costPolicies
Windham County$2,358$3,0049
Hartford County$2,165$2,689126
Middlesex County$2,105$2,646177
New London County$1,819$2,291324
Litchfield County$1,774$2,29746
New Haven County$1,716$2,148696
Fairfield County$1,430$1,7881,536
FIPS 09000$1,127$1,4021
Tolland County$1,028$1,3827

Use this data

Download Connecticut CSV (connecticut.csv) — free to reuse with attribution. Read the full methodology for formulas, update cadence, and limitations. Source: FEMA OpenFEMA NFIP policy transaction data (NFIP Redacted Policies v3).

Suggested citation

"Connecticut Flood Insurance Costs." Out of the Storm News Flood Insurance Cost Index, July 2026, based on FEMA OpenFEMA NFIP policy transaction data. https://outofthestormnews.com/flood-insurance/costs/connecticut

Compare county data, then use the editorial guides to understand how NFIP coverage and pricing work in practice.

Nearby states

← All states: Flood Insurance Cost Index