Connecticut / CT-04
Connecticut District 4
Score
Irregularity score 48 Middle of the packLess compact than 49% of other congressional districts.
220th least compact of 429 nationally, 3rd of 5 in Connecticut.
A score describes shape, not intent. Coastlines, rivers and the Voting Rights Act can all make a district irregular. How scores work
The three measures
- Polsby-Popper
- 0.23at least as compact as 42% of districts on this measure
Area compared with perimeter. Low for jagged or snaking edges.
- Reock
- 0.53at least as compact as 63% of districts on this measure
Area compared with the smallest circle around the district, counting only land. Low for stretched shapes.
- Convex hull
- 0.78at least as compact as 52% of districts on this measure
Area compared with a rubber band stretched around the district, counting only land. Low for bites and tentacles.
Each measure runs from 0 to 1, where 1 is a perfect circle or a shape with no dents.
The state's edge
58% of this district's border is the state's edge: a coastline, a national border or a state line. Mapmakers don't choose those lines. A ragged one, like a coastline or a river, lowers Polsby-Popper. Reock and convex hull count only the state's own land, so water and neighboring states don't count against them. More on the state's edge
Cities and towns
The largest places with people in this district, from the 2020 Census. A place split between districts shows how many of its residents live in this one.
- Bridgeport city148,617 of its 148,654 residents
- Stamford cityall 135,470 residents
- Norwalk cityall 91,184 residents
- Greenwich communityall 13,836 residents
- Shelton city12,971 of its 40,869 residents
- Trumbull Center communityall 9,746 residents
- Riverside communityall 8,843 residents
- Long Hill communityall 8,039 residents
- Ridgefield communityall 7,596 residents
- Old Greenwich communityall 6,962 residents
And 43 smaller places. 24% of this district's people live outside any city, town or named community. How places are counted
ZIP codes
38 ZIP codes have residents in this district. 3 of them are split with other districts. A percentage is the share of that ZIP code's 2020 residents who live here.
- 06468
- 06478
- 06484 (32%)
- 06488 (1%)
- 06604
- 06605
- 06606
- 06607
- 06608
- 06610 (99%)
- 06611
- 06612
- 06807
- 06820
- 06824
- 06825
- 06830
- 06831
- 06840
- 06850
- 06851
- 06853
- 06854
- 06855
- 06870
- 06877
- 06878
- 06880
- 06883
- 06890
- 06896
- 06897
- 06901
- 06902
- 06903
- 06905
- 06906
- 06907
These are the Census Bureau's ZIP code areas, which match residential ZIP codes closely. ZIP codes used only for PO boxes or a single organization aren't included. How ZIP codes are matched
2024 presidential vote
Shares of the votes for the two of them; other candidates are left out. Connecticut used the same lines in 2024, so this is added up from precinct results. A precinct split between districts is divided by its House votes, so the figures are close estimates. Where the votes come from
U.S. House
Jim Himes, Democrat
Elected November 3, 2026, takes office January 3, 2027.
Unofficial results from the Connecticut Secretary of the State (CT Election Management System), checked November 6, 2026. A race shows a winner once news decision desks have called it. Results become official when the state certifies them. Where this comes from
Connecticut's senators
- Richard Blumenthal, Democrat
- Christopher Murphy, Democrat
Senators are elected by the whole state, so district lines don't change who they are. Senators serving as of November 6, 2026. Senators elected in November 2026 take office January 3, 2027. Where this comes from
Where it sits in Connecticut
- Very compact (0 to 19)
- Compact (20 to 39)
- Middle (40 to 59)
- Irregular (60 to 79)
- Very irregular (80 to 100)
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