Libby, MT 59923 ZIP Code Profile

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Libby, MT

ZIP Code 59923: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Libby, MT 59923

  • ZIP Code Type: STANDARD
  • County: Lincoln County
  • Centroid: Latitude 48.354, Longitude -115.519
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes
  • Businesses Addresses: 530
  • PO Box Addresses: 972
  • Residential Addresses: 3,938
    • Multi-Family Addresses: 81
    • Single Family Addresses: 3,857

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.

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Libby, MT 59923 Data & Demographics (As of July 1, 2018)


Total Population 9,696
Population in Households 9,590
Population in Familes 7,263
Population in Group Qrtrs 106
Population Density1 5
Diversity Index2 15


Median Household Income $36,994
Average Household Income $51,283
Per Capita Income $23,444


Total Housing Units 5,530 (100%)
Owner Occupied HU 3,316 (60.0%)
Renter Occupied HU 1,085 (19.6%)
Vacant Housing Units 1,129 (20.4%)
Median Home Value $182,776
Average Home Value $214,279


Total Households 4,401
Average Household Size 2.18
Family Households 2,702
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. 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 -0.28% 0.04%
Households -0.24% 0.07%
Families -0.46% -0.06%
Median Household Income   1.0%
Per Capita Income   1.84%

Libby, MT 59923 - Peer Comparisons by Rank and Percentile

The table below compares 59923 to the other 362 ZIP Codes in Montana by rank and percentile using July 1, 2018 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 # 28 93rd
Population Density # 132 63rd
Diversity Index # 187 48th
Median Household Income # 331 9th
Per Capita Income # 300 17th

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

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