| Percent of People | Percent of People | |||
| Place | Below Poverty, 1989 | Place | Below Poverty, 1989 | |
| Absarokee CDP | 6.3 | Jordan town | 10.9 | |
| Alberton town | 15.8 | Judith Gap city | 25.4 | |
| Anaconda-Deer Lodge County | 18.6 | Kalispell city | 16.2 | |
| Arlee CDP | 17.3 | Kevin town | 28.9 | |
| Ashland CDP | 71.9 | Kicking Horse CDP | 70.1 | |
| Bainville town | 15.8 | Lame Deer CDP | 51.5 | |
| Baker city | 6.6 | Laurel city | 13.6 | |
| Bearcreek town | 17.5 | Lavina town | 19.0 | |
| Belgrade city | 17.1 | Lewistown city | 16.0 | |
| Belt city | 13.5 | Libby city | 16.4 | |
| Big Sandy town | 10.0 | Lima town | 15.1 | |
| Big Timber city | 12.4 | Livingston city | 16.5 | |
| Billings city | 12.5 | Lockwood CDP | 18.3 | |
| Bonner-West Riverside CDP | 32.2 | Lodge Grass town | 62.3 | |
| Boulder town | 11.5 | Lolo CDP | 12.7 | |
| Bozeman city | 25.2 | Malmstrom AFB CDP | 8.5 | |
| Bridger town | 17.9 | Malta city | 16.8 | |
| Broadus town | 18.1 | Manhattan town | 10.5 | |
| Broadview town | 2.9 | Medicine Lake town | 23.9 | |
| Brockton town | 41.4 | Melstone town | 16.5 | |
| Browning town | 43.7 | Miles City city | 15.6 | |
| Busby CDP | 60.6 | Missoula city | 19.0 | |
| Butte-Silver Bow | 14.7 | Moore town | 13.6 | |
| Cascade town | 20.0 | Muddy CDP | 50.7 | |
| Charlo CDP | 9.9 | Nashua town | 20.5 | |
| Chester town | 12.0 | Neihart town | 31.9 | |
| Chinook city | 16.5 | North Browning CDP | 45.7 | |
| Choteau city | 10.7 | Opheim town | 10.6 | |
| Circle town | 9.6 | Orchard Homes CDP | 16.7 | |
| Clyde Park town | 27.9 | Outlook town | 14.2 | |
| Colstrip CDP | 5.8 | Pablo CDP | 27.2 | |
| Columbia Falls city | 16.2 | Philipsburg town | 23.9 | |
| Columbus town | 9.7 | Pinesdale town | 48.5 | |
| Conrad city | 8.9 | Plains town | 19.8 | |
| Crow Agency CDP | 27.9 | Plentywood city | 12.1 | |
| Culbertson town | 5.9 | Plevna town | 13.9 | |
| Cut Bank city | 14.0 | Polson city | 21.8 | |
| Darby town | 21.2 | Poplar city | 31.6 | |
| Deer Lodge city | 19.1 | Pryor CDP | 57.3 | |
| Denton town | 10.2 | Red Lodge city | 14.7 | |
| Dillon city | 21.6 | Rexford town | 5.8 | |
| Dodson town | 15.9 | Richey town | 19.2 | |
| Drummond town | 20.2 | Ronan city | 23.5 | |
| Dutton town | 17.6 | Roundup city | 17.9 | |
| East Glacier Park Village CDP | 3.4 | Ryegate town | 15.4 | |
| East Helena town | 8.5 | Saco town | 18.5 | |
| Ekalaka town | 17.2 | St. Ignatius town | 22.7 | |
| Ennis town | 12.6 | Scobey city | 12.7 | |
| Eureka town | 9.7 | Shelby city | 11.9 | |
| Evergreen CDP | 21.1 | Sheridan town | 13.7 | |
| Fairfield town | 6.7 | Sidney city | 14.1 | |
| Fairview city | 25.6 | South Browning CDP | 70.4 | |
| Finley Point CDP | 14.6 | Stanford town | 16.7 | |
| Flaxville town | 11.7 | Starr School CDP | 74.0 | |
| Forsyth city | 11.7 | Stevensville town | 18.4 | |
| Fort Belknap CDP | 40.2 | Sunburst town | 11.3 | |
| Fort Benton city | 13.8 | Sun Prairie CDP | 11.3 | |
| Fort Peck town | 1.5 | Superior town | 18.7 | |
| Frazer CDP | 54.7 | Terry town | 13.8 | |
| Froid town | 12.6 | Thompson Falls city | 12.9 | |
| Fromberg town | 29.8 | Three Forks town | 13.7 | |
| Geraldine town | 12.0 | Townsend city | 16.1 | |
| Glasgow city | 16.2 | Troy city | 20.7 | |
| Glendive city | 13.1 | Twin Bridges town | 22.7 | |
| Grass Range town | 16.7 | Valier town | 11.2 | |
| Great Falls city | 14.7 | Virginia City town | 12.7 | |
| Hamilton city | 17.8 | Walkerville city | 16.2 | |
| Hardin city | 22.2 | Westby town | 8.7 | |
| Harlem city | 24.9 | West Yellowstone town | 13.7 | |
| Harlowton city | 15.9 | Whitefish city | 16.5 | |
| Havre city | 15.5 | Whitehall town | 12.9 | |
| Havre North CDP | 17.9 | White Sulphur Springs city | 15.9 | |
| Hays CDP | 63.2 | Wibaux town | 16.6 | |
| Heart Butte CDP | 43.5 | Winifred town | 13.3 | |
| Helena city | 11.6 | Winnett town | 14.8 | |
| Helena Valley Northeast CDP | 3.4 | Wolf Point city | 15.0 | |
| Helena Valley Northwest CDP | 12.7 | |||
| Helena Valley Southeast CDP | 11.5 | |||
| Helena Valley West Central CDP | 10.2 | |||
| Helena West Side CDP | 8.7 | |||
| Hingham town | 0.0 | |||
| Hobson town | 7.8 | |||
| Hot Springs town | 38.6 | |||
| Hysham town | 15.4 | |||
| Ismay town | 66.7 | |||
| Joliet town | 19.4 |