Saint Ignatius, MT · standard
ZIP Code 59865
Lake County, Montana — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 3,185
- 8/sq mi
- $56,473
- Median income
- $345,300
- Median home value
- 25.1%
- Bachelor's or higher
The verdict
Saint Ignatius pairs one of the lowest household incomes in the country with above-median home values, in a rural, homeowner-dominated area.
- 23th pct
- household income, US ZIPs
- Top 27%
- home value, US ZIPs
- 8
- people per sq mi
- 73%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 59865 against every reporting US ZIP.
ZIP code 59865 is classified by USPS as a standard delivery area and covers roughly 403.2 square miles in Saint Ignatius, Lake County, Montana. The area is home to 3,185 residents, producing a population density of 8 people per square mile, and falls within the Denver time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 59865 against Montana and the nation.
On the economic side, the median household income for ZIP 59865 sits at $56,473 (19% below the Montana average), while per-capita income is $27,171. The poverty rate stands at 17.9% and the unemployment rate at 8.3%. On housing, the median home value is $345,300 (6% above the state average) with median rent at $723 per month, and 73.3% of occupied units are owner-occupied, a direct signal of whether 59865 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 25.1% of adults hold a bachelor's degree or higher, the median age is 38.3, and the average commute is 31 minutes. Use the benchmarks above to see where 59865 sits relative to Montana and the national baseline rather than viewing the numbers in isolation. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 59865
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 59865.
- Construction
Construction
29 establishments
- Manufacturing 9
Manufacturing
9 establishments
- Retail trade 9
Retail trade
9 establishments
- Accommodation and food services 7
Accommodation and food services
7 establishments
- Transportation and warehousing 6
Transportation and warehousing
6 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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 59865, Saint Ignatius, MT · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
3,185
Population
403.2
Area (sq mi)
8
People / sq mi
Denver
Time Zone
standard
ZIP Type
Who lives in ZIP 59865?
38.3
Median Age
45.7%
Male
54.3%
Female
1.8%
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?
$56,473
Median Household Income
-19% vs state
$27,171
Per Capita Income
17.9%
Poverty Rate
8.3%
Unemployment Rate
31.4 min
Mean Commute Time
How ZIP 59865 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$56,473 23rd percentile higher than 23% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023
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?
1,413
Total Housing Units
1,268
Occupied Units
145
Vacant Units
2.83
Avg Household Size
Occupancy Type
$345,300
Median Home Value
+6% vs state
$723
Median Rent
1980
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 98 business establishments in ZIP 59865, employing approximately 1,152 people with a combined annual payroll of $74,806,000.
98
Businesses
1,152
Employees
$74.8M
Annual Payroll
12
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 29 | 29.6% |
| Manufacturing | 9 | 9.2% |
| Retail trade | 9 | 9.2% |
| Accommodation and food services | 7 | 7.1% |
| Transportation and warehousing | 6 | 6.1% |
| Professional, scientific, and technical services | 6 | 6.1% |
| Other services (except public administration) | 6 | 6.1% |
| Wholesale trade | 5 | 5.1% |
| Real estate and rental and leasing | 5 | 5.1% |
| Administrative and support and waste management and remediation services | 5 | 5.1% |
| Health care and social assistance | 5 | 5.1% |
| Agriculture, forestry, fishing and hunting | 3 | 3.1% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
More ZIP Codes in Lake County
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Frequently Asked Questions
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ZIP Code Research Guides
Official Data Resources for Saint Ignatius, MT
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.