Saint Regis, MT · standard
ZIP Code 59866
Mineral County, Montana - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 943
- 2/sq mi
- $73,462
- Median income
- $343,700
- Median home value
- 40.4%
- Bachelor's or higher
National ZIP placement
Saint Regis pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.
- Top 48%
- household income, US ZIPs
- Top 27%
- home value, US ZIPs
- 2
- people per sq mi
- 82%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 59866 against every reporting US ZIP.
ZIP code 59866 is a sparsely populated ZIP (a standard USPS delivery area) in Saint Regis, Mineral County, Montana, home to just 943 residents across 589.4 square miles, a density of 2 people per square mile, in the Denver time zone.
ZIP 59866 lands in the middle-income range, with a median household income of $73,462 (5% above the average Montana ZIP), while per-capita income is $44,935. The poverty rate is 9.5%, with unemployment at 4.9%; those measures add context to the income figure. Median home value is $343,700 (5% above the average Montana ZIP) and median rent is $888; 81.9% of occupied homes are owner-occupied.
A solid share of residents have a four-year degree: 40.4% of adults hold a bachelor's degree or higher, the median age is 49.3, and the average commute is -. No nearby ZIP peer set is available for this delivery area, so the Montana and national benchmarks above are the appropriate context for 59866.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 59866
Top 5 sectors by establishment count in Saint Regis, MT
Which industries have the most business establishments in ZIP 59866.
- Accommodation and food services
Accommodation and food services
9 establishments
- Construction
Construction
5 establishments
- Retail trade
Retail trade
5 establishments
- Arts, entertainment, and recreation 3
Arts, entertainment, and recreation
3 establishments
- Other services (except public administration) 3
Other services (except public administration)
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 59866, Saint Regis, MT · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
943
Population
589.4
Area (sq mi)
2
People / sq mi
Denver
Time Zone
standard
ZIP Type
Who lives in ZIP 59866?
49.3
Median Age
48.6%
Male
51.4%
Female
0.3%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$73,462
Median Household Income
+5% vs state ZIP avg
$44,935
Per Capita Income
9.5%
Poverty Rate
4.9%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
736housing units
736
Total Housing Units
554
Occupied Units
182
Vacant Units
2.08
Avg Household Size
Occupancy Type
$343,700
Median Home Value
+5% vs state ZIP avg
$888
Median Rent
1979
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 36 business establishments in ZIP 59866, employing approximately 234 people with a combined annual payroll of $7,053,000.
36
Businesses
234
Employees
$7.1M
Annual Payroll
5
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Accommodation and food services | 9 | 25.0% |
| Construction | 5 | 13.9% |
| Retail trade | 5 | 13.9% |
| Arts, entertainment, and recreation | 3 | 8.3% |
| Other services (except public administration) | 3 | 8.3% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 59866, both outside MT so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.