Saint Ignatius, MT 59865 ZIP Code Profile

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Saint Ignatius, MT

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ZIP Code 59865: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Saint Ignatius, MT 59865

Acceptable Alternative
St Ignatius, MT 59865

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 90
  • Single Family Addresses: 654
  • Multi-Family Addresses: 0
  • County: Lake County
  • Centroid: Latitude 47.358, Longitude -114.053
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes

Neighborhood Data

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59865 ZIP Code Map

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Saint Ignatius, MT 59865 Data & Demographics (As of July 1, 2017)


Total Population 3,432
Daytime Population: Workers 1,203
Daytime Population: Residents 1,876
Total Daytime Population (TDP) 3,079
Ratio TDP/Total Population1 0.90
Population in Households 3,400
Population in Familes 2,774
Population in Group Qrtrs 32
Population Density2 18
Diversity Index3 61


Median Household Income $38,486
Average Household Income $54,225
Per Capita Income $20,188


Total Housing Units 1,461 (100%)
Owner Occupied HU 883 (60.4%)
Renter Occupied HU 386 (26.4%)
Vacant Housing Units 192 (13.1%)
Median Home Value $159,667
Average Home Value $244,564


Total Households 1,269
Average Household Size 2.68
Family Households 863
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.39% 0.51%
Households 0.26% 0.44%
Families 0.02% 0.28%
Median Household Income   2.19%
Per Capita Income   2.71%

Saint Ignatius, MT 59865 - Peer Comparisons by Rank and Percentile

The table below compares 59865 to the other 362 ZIP Codes in Montana by rank and percentile using July 1, 2017 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 # 63 83rd
Population Density # 72 80th
Diversity Index # 5 99th
Median Household Income # 308 15th
Per Capita Income # 326 10th

Additional comparisons and rankings can be made with a VERY EASY TO USE Montana Census Data Comparison Tool.

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