Housing · Killingworth

Killingworth, CT housing market

The typical Killingworth home is worth about $632,000, up 5.8% in a year, 40% above the Connecticut typical home.

Home values, sales, trends and how Killingworth compares with the towns next door — updated as new data is published.

The market right now

Killingworth at a glance

Typical home value
$632K
▲ 5.8% in a year · Zillow
Ten-year trend

Typical home value, 2016–2026

KillingworthConnecticut
$200K$250K$300K$350K$400K$450K$500K$550K$600K$650K 20182020202220242026 Killingworth $632K Connecticut $451K
Show as a table
JanuaryKillingworthConnecticut
2017$346,000$248,000
2018$350,000$256,000
2019$356,000$258,000
2020$363,000$264,000
2021$404,000$293,000
2022$456,000$326,000
2023$505,000$357,000
2024$559,000$395,000
2025$578,000$420,000
2026$606,000$438,000
August 2026$632,000$451,000
Next door

Killingworth and its neighbors

The towns that share a border. Tap one to see its housing page.
TownTypical value1-yr changeDays on marketMedian income
Killingworth $632K +5.8% — $140,655
Madison $725K +3.9% — $167,442
Clinton $472K +5.9% — $124,824
Durham $512K +4.3% — $158,857
Haddam $459K +4.2% — $114,426
Westbrook $591K +4.7% — $91,202
Affordability

4.5 years of income

The typical Killingworth home costs about 4.5 years of the town's median household income, about the same as across Connecticut (4.7).

How Killingworth ranks on affordability →

Home value ÷ ACS median household income.

The homes

Owners, rent & taxes

Homeownership
96.7%
Connecticut: 66.5%
Median tax bill
$6,550
Connecticut: $6,643
Typical home built
1987
Connecticut: 1967

U.S. Census Bureau, ACS 2020-2024.

Home values: Zillow Home Value Index (ZHVI), Zillow Research, August 2026. Sales, days on market and supply: Redfin Data Center. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. Listings link to their publishers.

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Killingworth

Connecticut · CT · Lower Connecticut River Valley Planning Region
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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01