Libby, MT 59923 ZIP Code Profile

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Libby, MT

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ZIP Code 59923: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Libby, MT 59923

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 537
  • Single Family Addresses: 3,823
  • Multi-Family Addresses: 82
  • County: Lincoln County
  • Centroid: Latitude 48.354, Longitude -115.519
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


59923 ZIP Code Map

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Libby, MT 59923 Data & Demographics (As of July 1, 2017)


Total Population 9,650
Daytime Population: Workers 4,481
Daytime Population: Residents 5,708
Total Daytime Population (TDP) 10,189
Ratio TDP/Total Population1 1.06
Population in Households 9,544
Population in Familes 7,266
Population in Group Qrtrs 106
Population Density2 4
Diversity Index3 15


Median Household Income $36,467
Average Household Income $51,699
Per Capita Income $23,376


Total Housing Units 5,558 (100%)
Owner Occupied HU 3,050 (54.9%)
Renter Occupied HU 1,282 (23.1%)
Vacant Housing Units 1,226 (22.1%)
Median Home Value $183,714
Average Home Value $224,959


Total Households 4,332
Average Household Size 2.2
Family Households 2,651
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 -0.49% -0.29%
Households -0.62% -0.38%
Families -0.92% -0.56%
Median Household Income   1.52%
Per Capita Income   2.54%

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, 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 # 28 93rd
Population Density # 137 62nd
Diversity Index # 175 52nd
Median Household Income # 323 11th
Per Capita Income # 299 18th

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

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