Montana · United States
ZIP codes by county — Montana
56 counties
| County | FIPS | Population | Median household income |
|---|---|---|---|
| Beaverhead County | 30001 | 9,590 | $58,072 |
| Big Horn County | 30003 | 12,963 | $56,680 |
| Blaine County | 30005 | 6,997 | $65,050 |
| Broadwater County | 30007 | 7,310 | $63,636 |
| Carbon County | 30009 | 10,877 | $71,017 |
| Carter County | 30011 | 1,361 | $52,171 |
| Cascade County | 30013 | 84,601 | $66,203 |
| Chouteau County | 30015 | 5,888 | $56,927 |
| Custer County | 30017 | 11,938 | $63,585 |
| Daniels County | 30019 | 1,524 | $58,000 |
| Dawson County | 30021 | 8,874 | $70,953 |
| Deer Lodge County | 30023 | 9,512 | $49,533 |
| Fallon County | 30025 | 2,817 | $72,284 |
| Fergus County | 30027 | 11,581 | $59,731 |
| Flathead County | 30029 | 108,445 | $71,327 |
| Gallatin County | 30031 | 122,194 | $87,454 |
| Garfield County | 30033 | 938 | $61,750 |
| Glacier County | 30035 | 13,713 | $45,129 |
| Golden Valley County | 30037 | 840 | $57,353 |
| Granite County | 30039 | 3,419 | $54,646 |
| Hill County | 30041 | 16,260 | $55,313 |
| Jefferson County | 30043 | 12,501 | $76,576 |
| Judith Basin County | 30045 | 2,053 | $55,417 |
| Lake County | 30047 | 32,073 | $61,965 |
| Lewis and Clark County | 30049 | 72,580 | $74,543 |
| Liberty County | 30051 | 1,968 | $53,264 |
| Lincoln County | 30053 | 20,656 | $47,018 |
| Madison County | 30057 | 8,975 | $67,420 |
| McCone County | 30055 | 1,818 | $71,842 |
| Meagher County | 30059 | 1,979 | $56,215 |
| Mineral County | 30061 | 4,796 | $61,117 |
| Missoula County | 30063 | 119,639 | $71,246 |
| Musselshell County | 30065 | 5,068 | $59,010 |
| Park County | 30067 | 17,484 | $66,607 |
| Petroleum County | 30069 | 401 | $59,318 |
| Phillips County | 30071 | 4,224 | $58,156 |
| Pondera County | 30073 | 6,012 | $53,500 |
| Powder River County | 30075 | 1,762 | $68,009 |
| Powell County | 30077 | 7,029 | $63,432 |
| Prairie County | 30079 | 1,251 | $45,192 |
| Ravalli County | 30081 | 45,807 | $71,323 |
| Richland County | 30083 | 11,329 | $69,578 |
| Roosevelt County | 30085 | 10,665 | $53,125 |
| Rosebud County | 30087 | 8,236 | $56,430 |
| Sanders County | 30089 | 12,936 | $54,035 |
| Sheridan County | 30091 | 3,677 | $63,654 |
| Silver Bow County | 30093 | 35,589 | $57,504 |
| Stillwater County | 30095 | 9,052 | $81,503 |
| Sweet Grass County | 30097 | 3,713 | $69,426 |
| Teton County | 30099 | 6,291 | $67,766 |
| Toole County | 30101 | 5,028 | $53,693 |
| Treasure County | 30103 | 761 | $73,036 |
| Valley County | 30105 | 7,540 | $64,515 |
| Wheatland County | 30107 | 2,049 | $47,054 |
| Wibaux County | 30109 | 1,148 | $64,792 |
| Yellowstone County | 30111 | 167,340 | $74,400 |
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties. Sources: U.S. Census Bureau.