Hanover is the #1 ranked city in New Hampshire with 221.7 (col index). This ranking includes 65 New Hampshire cities with available data.
| # | City | Population | COL Index |
|---|---|---|---|
| 1 | Hanover | 8,520 | 221.7 |
| 2 | Londonderry | 12,307 | 180.6 |
| 3 | Portsmouth | 22,332 | 179.1 |
| 4 | Contoocook | 1,370 | 177.3 |
| 5 | Goffstown | 3,127 | 176.6 |
| 6 | Durham | 10,577 | 171.6 |
| 7 | Hampton | 9,960 | 165.4 |
| 8 | South Hooksett | 5,806 | 157.1 |
| 9 | Nashua | 91,131 | 155.6 |
| 10 | Dover | 33,070 | 152.4 |
| 11 | Lebanon | 14,759 | 150.9 |
| 12 | Newmarket | 5,730 | 150.9 |
| 13 | Hooksett | 5,362 | 150.8 |
| 14 | Epping | 2,808 | 150.1 |
| 15 | Exeter | 10,138 | 147.6 |
| 16 | Derry | 21,668 | 147.1 |
| 17 | Hudson | 7,105 | 145.9 |
| 18 | New London | 1,398 | 144.7 |
| 19 | Hampton Beach | 2,585 | 142.4 |
| 20 | East Merrimack | 4,872 | 141.7 |
| 21 | Concord | 44,219 | 141.1 |
| 22 | Milford | 8,857 | 140.0 |
| 23 | Peterborough | 2,343 | 138.9 |
| 24 | Somersworth | 12,060 | 136.8 |
| 25 | Wilton | 1,444 | 136.3 |
| 26 | Manchester | 115,415 | 135.1 |
| 27 | Enfield | 1,917 | 133.1 |
| 28 | Troy | 1,086 | 129.2 |
| 29 | Jaffrey | 2,885 | 128.7 |
| 30 | Keene | 22,923 | 128.6 |
| 31 | Rochester | 32,866 | 127.4 |
| 32 | Henniker | 2,880 | 127.3 |
| 33 | Plymouth | 4,877 | 125.5 |
| 34 | Suncook | 5,075 | 123.1 |
| 35 | Pinardville | 4,586 | 122.9 |
| 36 | Sanbornville | 1,225 | 121.3 |
| 37 | Lancaster | 2,264 | 120.9 |
| 38 | Raymond | 3,881 | 120.5 |
| 39 | Newport | 5,185 | 120.5 |
| 40 | Laconia | 16,982 | 120.1 |
| 41 | North Conway | 2,286 | 118.5 |
| 42 | Franklin | 8,757 | 118.1 |
| 43 | Meredith | 2,887 | 116.1 |
| 44 | Antrim | 1,293 | 115.5 |
| 45 | West Swanzey | 1,227 | 113.7 |
| 46 | Bethlehem | 1,097 | 112.9 |
| 47 | Hinsdale | 1,382 | 111.8 |
| 48 | Greenville | 1,102 | 111.6 |
| 49 | Woodsville | 1,387 | 111.1 |
| 50 | Winchester | 1,394 | 110.0 |
| 51 | Bristol | 2,157 | 108.8 |
| 52 | Wolfeboro | 2,420 | 108.5 |
| 53 | Hillsborough | 1,582 | 107.6 |
| 54 | Pittsfield | 1,882 | 107.5 |
| 55 | Conway | 3,833 | 103.7 |
| 56 | Belmont | 1,257 | 103.7 |
| 57 | Claremont | 13,054 | 103.0 |
| 58 | Tilton Northfield | 3,169 | 101.7 |
| 59 | Whitefield | 1,438 | 97.7 |
| 60 | Farmington | 3,753 | 97.5 |
| 61 | Gorham | 2,044 | 94.5 |
| 62 | Littleton | 4,211 | 91.7 |
| 63 | Ashland | 1,417 | 90.1 |
| 64 | Colebrook | 1,143 | 81.5 |
| 65 | Berlin | 9,473 | 80.6 |
Cities in New Hampshire are ranked by col index. Only cities with populations above 1,000 are included. Data sourced from BLS / C2ER. Last updated 2026.