ZIP Code 59001 has segments in 2 Counties (Carbon, Stillwater).
The ZIP Code maps and database are updated 4 times per year.
Database updated: June 1, 2025, Maps updated:  May 1, 2024.
| POPULATION | |
|---|---|
| Total Population | 1,343 (100%) | 
| Population in Households | 1,343 (100.0%) | 
| Population in Families | 1,046 (77.9%) | 
| Population in Group Quarters1 | 0 | 
| Population Density | 8 | 
| Diversity Index2 | 22 | 
| INCOME | |
| Median Household Income | $68,810 | 
| Average Household Income | $103,821 | 
| % of Income for Mortgage4 | 39% | 
| Per Capita Income | $49,244 | 
| Wealth Index5 | 109 | 
| Socioeconomic Status Index6 | Moderate (53.1) | 
| HOUSING | |
|---|---|
| Total HU (Housing Units) | 785 (100%) | 
| Owner Occupied HU | 489 (62.3%) | 
| Renter Occupied HU | 148 (18.9%) | 
| Vacant Housing Units | 148 (18.9%) | 
| Median Home Value | $432,143 | 
| Average Home Value | $483,272 | 
| Housing Affordability Index3 | 61 | 
| HOUSEHOLDS | |
| Total Households | 637 | 
| Average Household Size | 2.11 | 
| Family Households | 373 | 
| Average Family Size | 3.00 | 
| GROWTH RATE / YEAR | 2020-2025 | 2025-2030 | 
|---|---|---|
| Population | -0.25% | 0.01% | 
| Households | 0.36% | 0.31% | 
| Families | -0.54% | |
| Median Household Income | 2.91% | |
| Per Capita Income | 2.73% | |
| Owner Occupied HU | 0.61% | 
The table below compares 59001 to the other 370 ZIP Codes in Montana by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
| Variable Description | Rank | Percentile | 
|---|---|---|
| Total Population | # 115 | 69th | 
| Population Density | # 115 | 69th | 
| Median Household Income | # 162 | 56th | 
| Housing Affordability Index | # 183 | 49th | 
| Per Capita Income | # 39 | 90th | 
| Diversity Index | # 210 | 44th | 
Additional comparisons and rankings can be made with a VERY EASY TO USE Montana Census Data Comparison Tool.