DemocratIn office since Nov 2000

Joan Hartley

Connecticut State Senator, District 15 since 2000. Re-elected in 2026. Next on the ballot in 2028.

Connecticut State Senator, District 15

In office
26 yrs
Since 2000
Bills became law
6
19 sponsored, 2025–2026 session
Votes missed
3.1%
Chamber median 1.5%
With party
94%
On votes splitting the parties
Last margin
+34.9
Won 2026
Next election
2028
Nov 7, 2028

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 1:51 PM ET

Committees

As of 2026-10.

  • Appropriations · vice chair
  • Commerce · co-chair
  • Executive and Legislative Nominations
  • Legislative Management
  • Legislative Regulation Review

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 19 sponsored · 6 became law
BillIntroCmteSenateHouseLaw
SB 349 AN ACT CONCERNING MODIFICATIONS TO THE FIREFIGHTERS CANCER RELIEF FUND.
Advisory bodies · Became law Jun 2026
SB 4 AN ACT CONCERNING CONSUMER PRIVACY AND PROTECTION.
Attorney General · Became law May 2026
SB 5 AN ACT CONCERNING ONLINE SAFETY.
Administrative Services, Department of · Became law May 2026
SB 9 AN ACT SUPPORTING COMMUTERS AND MICROTRANSIT SERVICES AND CONCERNING PUBLIC TRANSPORTATION.
Boards of education · Became law May 2026
HB 5265 AN ACT CONCERNING COURT-ORDERED ACCOUNTINGS OF COMMON INTEREST COMMUNITY FINANCIAL RECORDS AND REVISING THE…
Audits · Became law May 2026

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Voting record

2025–2026 session · placement by roll-call votes

Where Hartley sits in the Connecticut State Senate

Hartley is closer to the center than 96% of the chamber's Democrats.

Dem. medianRep. medianHartleyMore liberalMore conservative

Closest: Cathy Osten, Paul Honig, Sujata Gadkar-Wilcox

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:47 PM ET

With Hartley’s party

  • Votes with the chamber's Democrats94%

Black tick: the average of Democrats in the Connecticut State Senate.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

Votes chosen for their effect, not their side: Hartley’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.

Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls

Career

Offices held, and every time Hartley was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

YearRaceResultMarginSeat+/−
2026Connecticut Senate District 15WonD+34.9D+7.7+27.2
2024Connecticut State Senate, District 15Won———
2022Connecticut State Senate, District 15Won———
2020Connecticut State Senate, District 15Won———
2018Connecticut State Senate, District 15WonD+69.4——
2016Connecticut State Senate, District 15WonD+64.3——
2014Connecticut State Senate, District 15WonD+37.5——
2014Connecticut State Senate, District 15 (primary)Won———
2014Connecticut State Senate, District 15 (primary)Won———
2012Connecticut State Senate, District 15WonD+75.2——
2010Connecticut State Senate, District 15WonD+73.6——
2008Connecticut State Senate, District 15WonD+60.7——
2006Connecticut State Senate, District 15WonD+76.3——
2004Connecticut State Senate, District 15WonD+80.6——
2002Connecticut State Senate, District 15WonD+81.5——
2000Connecticut State Senate, District 15WonD+27.3——
1998Connecticut House of Representatives, District 73WonD+28.6——
1996Connecticut House of Representatives, District 73WonD+35.5——
1994Connecticut House of Representatives, District 73WonD+21.7——
1992Connecticut House of Representatives, District 73WonD+29.6——
1990Connecticut House of Representatives, District 73WonD+9.1——
1988Connecticut House of Representatives, District 73WonD+32.1——
1986Connecticut House of Representatives, District 73WonD+24.0——
1984Connecticut House of Representatives, District 73WonEven——

Source: 99chambers results archive; 2026: Connecticut Secretary of the State (unofficial)Updated Nov 8, 2026, 7:01 PM ET

Campaign money, 2025–26

Raised
$18.6K
Spent
$8.9K
Cash
$9.7K

Source: Connecticut State Elections Enforcement Commission filings through Oct 27, 2026Updated Nov 7, 2026, 1:51 PM ET

Campaign committees

Open committees can still raise and spend money.

Hartley 26
State
Active

Source: Connecticut State Elections Enforcement Commission filings through Oct 27, 2026Updated Nov 7, 2026, 1:51 PM ET

Seats Hartley has held

Source: 99chambers results archive

Who Hartley has run against

Source: 99chambers results archive; 2026: Connecticut Secretary of the State (unofficial)

How we know Hartley

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 1:51 PM ET