Population density: zip codes ranked in Connecticut

Residents per square mile of land (water excluded). Under 50 is rural, a few hundred is small-town, 2,500+ is urban, and 10,000+ is big-city dense. These lists rank zip codes in Connecticut with at least 1,000 residents, using the Census Bureau's American Community Survey 5-year estimates.

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Most densely populated zip codes

#	Zip	City	Density	Population
1	06901	Stamford	21,684/sq mi	11,037
2	06510	New Haven	17,041/sq mi	4,584
3	06080	Suffield	12,150/sq mi	1,616
4	06608	Bridgeport	11,815/sq mi	12,146
5	06605	Bridgeport	11,343/sq mi	25,929
6	06710	Waterbury	10,260/sq mi	9,942
7	06604	Bridgeport	10,070/sq mi	31,771
8	06511	New Haven	9,415/sq mi	54,730
9	06606	Bridgeport	9,335/sq mi	49,308
10	06519	New Haven	8,821/sq mi	15,605
11	06106	Hartford	8,719/sq mi	36,322
12	06105	Hartford	8,462/sq mi	19,174
13	06112	Hartford	7,522/sq mi	22,333
14	06902	Stamford	7,317/sq mi	73,392
15	06051	New Britain	7,200/sq mi	29,548
16	06610	Bridgeport	7,152/sq mi	22,020
17	06119	West Hartford	7,102/sq mi	14,793
18	06607	Bridgeport	6,902/sq mi	7,979
19	06906	Stamford	6,819/sq mi	9,199
20	06854	Norwalk	6,679/sq mi	32,118
21	06114	Hartford	6,541/sq mi	26,458
22	06269	Storrs Mansfield	6,366/sq mi	7,970
23	06513	New Haven	5,385/sq mi	38,888
24	06516	West Haven	5,149/sq mi	55,351
25	06103	Hartford	5,085/sq mi	2,949
26	06320	New London	4,921/sq mi	27,703
27	06053	New Britain	4,627/sq mi	36,774
28	06907	Stamford	4,448/sq mi	8,705
29	06705	Waterbury	4,447/sq mi	25,266
30	06702	Waterbury	4,404/sq mi	2,946
31	06515	New Haven	4,170/sq mi	19,006
32	06905	Stamford	4,087/sq mi	20,725
33	06706	Waterbury	4,073/sq mi	15,551
34	06120	Hartford	3,944/sq mi	13,926
35	06704	Waterbury	3,924/sq mi	31,713
36	06110	West Hartford	3,884/sq mi	12,641
37	06855	Norwalk	3,786/sq mi	9,351
38	06459	Middletown	3,718/sq mi	1,238
39	06851	Norwalk	3,625/sq mi	27,865
40	06870	Old Greenwich	3,469/sq mi	7,864
41	06878	Riverside	3,444/sq mi	8,328
42	06825	Fairfield	3,235/sq mi	21,982
43	06614	Stratford	3,219/sq mi	35,654
44	06401	Ansonia	3,205/sq mi	19,315
45	06708	Waterbury	3,132/sq mi	29,594
46	06052	New Britain	3,053/sq mi	7,916
47	06460	Milford	3,029/sq mi	37,649
48	06107	West Hartford	2,989/sq mi	19,891
49	06850	Norwalk	2,904/sq mi	19,692
50	06108	East Hartford	2,885/sq mi	23,499
51	06380	Taftville	2,860/sq mi	2,757
52	06517	Hamden	2,843/sq mi	14,221
53	06118	East Hartford	2,780/sq mi	27,419
54	06512	New Haven	2,732/sq mi	28,830
55	06226	Willimantic	2,699/sq mi	19,344
56	06615	Stratford	2,683/sq mi	17,136
57	06810	Danbury	2,670/sq mi	55,833
58	06853	Norwalk	2,629/sq mi	3,171
59	06450	Meriden	2,564/sq mi	35,694
60	06451	Meriden	2,529/sq mi	24,851
61	06418	Derby	2,418/sq mi	12,205
62	06514	Hamden	2,412/sq mi	26,803
63	06779	Oakville	2,402/sq mi	8,364
64	06111	Newington	2,371/sq mi	30,896
65	06807	Cos Cob	2,336/sq mi	7,650
66	06010	Bristol	2,329/sq mi	61,684
67	06042	Manchester	2,269/sq mi	23,822
68	06109	Wethersfield	2,215/sq mi	27,250
69	06081	Tariffville	2,200/sq mi	1,419
70	06040	Manchester	2,116/sq mi	35,813
71	06062	Plainville	2,006/sq mi	17,555
72	06770	Naugatuck	1,938/sq mi	31,823
73	06830	Greenwich	1,838/sq mi	24,880
74	06824	Fairfield	1,828/sq mi	36,716
75	06820	Darien	1,734/sq mi	21,936
76	06066	Vernon Rockville	1,726/sq mi	30,577
77	06085	Unionville	1,692/sq mi	7,608
78	06117	West Hartford	1,658/sq mi	16,116
79	06890	Southport	1,607/sq mi	4,653
80	06611	Trumbull	1,598/sq mi	37,281
81	06067	Rocky Hill	1,570/sq mi	20,872
82	06461	Milford	1,546/sq mi	15,035
83	06479	Plantsville	1,516/sq mi	10,286
84	06811	Danbury	1,487/sq mi	31,228
85	06096	Windsor Locks	1,394/sq mi	12,579
86	06360	Norwich	1,388/sq mi	37,216
87	06880	Westport	1,378/sq mi	27,583
88	06484	Shelton	1,368/sq mi	41,889
89	06340	Groton	1,325/sq mi	29,863
90	06405	Branford	1,305/sq mi	28,217
91	06089	Weatogue	1,285/sq mi	3,728
92	06082	Enfield	1,233/sq mi	41,090
93	06801	Bethel	1,229/sq mi	20,796
94	06518	Hamden	1,218/sq mi	20,126
95	06023	East Berlin	1,202/sq mi	1,196
96	06489	Southington	1,180/sq mi	32,706
97	06483	Seymour	1,163/sq mi	16,889
98	06416	Cromwell	1,151/sq mi	14,334
99	06457	Middletown	1,148/sq mi	46,720
100	06473	North Haven	1,145/sq mi	24,743

Most sparsely populated zip codes

#	Zip	City	Density	Population
1	06058	Norfolk	36/sq mi	1,793
2	06031	Falls Village	39/sq mi	1,520
3	06021	Colebrook	47/sq mi	1,494
4	06069	Sharon	50/sq mi	2,601
5	06242	Eastford	52/sq mi	1,290
6	06754	Cornwall Bridge	55/sq mi	1,656
7	06068	Salisbury	69/sq mi	2,034
8	06757	Kent	70/sq mi	2,125
9	06793	Washington	71/sq mi	1,031
10	06384	Voluntown	71/sq mi	2,663
11	06247	Hampton	72/sq mi	2,412
12	06027	East Hartland	76/sq mi	1,193
13	06756	Goshen	83/sq mi	3,037
14	06783	Roxbury	84/sq mi	2,185
15	06090	West Granby	86/sq mi	1,136
16	06039	Lakeville	89/sq mi	1,918
17	06359	North Stonington	95/sq mi	5,160
18	06063	Barkhamsted	97/sq mi	3,328
19	06794	Washington Depot	99/sq mi	1,282
20	06752	Bridgewater	99/sq mi	1,658
21	06759	Litchfield	101/sq mi	5,442
22	06254	North Franklin	102/sq mi	2,004
23	06777	New Preston Marble Dale	104/sq mi	1,771
24	06235	Chaplin	105/sq mi	2,018
25	06259	Pomfret Center	107/sq mi	4,568
26	06278	Ashford	110/sq mi	4,337
27	06334	Bozrah	116/sq mi	2,249
28	06331	Canterbury	126/sq mi	5,145
29	06763	Morris	129/sq mi	2,151
30	06249	Lebanon	132/sq mi	7,116
31	06281	Woodstock	134/sq mi	7,237
32	06076	Stafford Springs	138/sq mi	11,953
33	06423	East Haddam	142/sq mi	5,182
34	06420	Salem	148/sq mi	4,368
35	06365	Preston	158/sq mi	4,807
36	06784	Sherman	163/sq mi	3,583
37	06282	Woodstock Valley	165/sq mi	1,134
38	06279	Willington	167/sq mi	5,575
39	06057	New Hartford	173/sq mi	6,363
40	06277	Thompson	175/sq mi	4,004
41	06419	Killingworth	177/sq mi	6,240
42	06750	Bantam	179/sq mi	1,387
43	06751	Bethlehem	180/sq mi	3,423
44	06377	Sterling	181/sq mi	2,927
45	06791	Harwinton	182/sq mi	5,602
46	06371	Old Lyme	182/sq mi	9,828
47	06330	Baltic	194/sq mi	3,327
48	06255	North Grosvenordale	195/sq mi	4,494
49	06018	Canaan	195/sq mi	2,587
50	06060	North Granby	195/sq mi	2,273
51	06093	West Suffield	201/sq mi	3,524
52	06232	Andover	204/sq mi	3,152
53	06280	Windham	206/sq mi	3,110
54	06438	Haddam	207/sq mi	2,887
55	06441	Higganum	221/sq mi	5,348
56	06256	North Windham	226/sq mi	1,704
57	06455	Middlefield	231/sq mi	2,480
58	06231	Amston	233/sq mi	3,648
59	06412	Chester	238/sq mi	3,825
60	06241	Dayville	245/sq mi	6,585
61	06755	Gaylordsville	247/sq mi	1,238
62	06237	Columbia	248/sq mi	5,300
63	06524	Bethany	251/sq mi	5,288
64	06248	Hebron	259/sq mi	5,509
65	06447	Marlborough	263/sq mi	6,130
66	06782	Plymouth	265/sq mi	1,978
67	06378	Stonington	266/sq mi	5,555
68	06798	Woodbury	270/sq mi	9,833
69	06354	Moosup	274/sq mi	6,031
70	06234	Brooklyn	278/sq mi	8,517
71	06612	Easton	280/sq mi	7,670
72	06896	Redding	280/sq mi	8,779
73	06778	Northfield	284/sq mi	1,574
74	06415	Colchester	287/sq mi	16,038
75	06026	East Granby	296/sq mi	5,196
76	06351	Jewett City	300/sq mi	15,760
77	06422	Durham	305/sq mi	7,208
78	06374	Plainfield	306/sq mi	7,838
79	06370	Oakdale	307/sq mi	7,327
80	06333	East Lyme	315/sq mi	7,389
81	06250	Mansfield Center	325/sq mi	5,437
82	06424	East Hampton	325/sq mi	12,751
83	06013	Burlington	326/sq mi	9,680
84	06238	Coventry	328/sq mi	12,326
85	06469	Moodus	330/sq mi	3,311
86	06417	Deep River	330/sq mi	4,458
87	06098	Winsted	334/sq mi	10,263
88	06043	Bolton	337/sq mi	4,853
89	06339	Ledyard	356/sq mi	9,113
90	06084	Tolland	370/sq mi	14,823
91	06073	South Glastonbury	370/sq mi	5,372
92	06071	Somers	371/sq mi	10,723
93	06088	East Windsor	378/sq mi	4,254
94	06472	Northford	396/sq mi	6,363
95	06478	Oxford	397/sq mi	12,991
96	06480	Portland	407/sq mi	9,434
97	06470	Newtown	419/sq mi	15,593
98	06078	Suffield	428/sq mi	10,562
99	06019	Canton	432/sq mi	9,742
100	06498	Westbrook	435/sq mi	6,856

Population density: zip codes ranked in Connecticut

Most densely populated zip codes

Most sparsely populated zip codes

Other rankings