Post Falls, ID Profile: Facts & Data


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Post Falls, Idaho - Basic Facts

The City of Post Falls is the 10th largest city in Idaho with a population of 33,333 as of July 1, 2018. Post Falls ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Idaho. See peer rankings below.

The primary coordinate point for Post Falls is located at latitude 47.718 and longitude -116.9516 in Kootenai County. The formal boundaries for the City of Post Falls encompass a land area of 14.35 sq. miles and a water area of 0.04 sq. miles. Kootenai County is in the Pacific time zone (GMT -8). The elevation is 2,182 feet.

The City of Post Falls (GNIS ID: 2411475) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Idaho is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Post Falls is located within Post Falls-Rathdrum Division of Kootenai County.

Alternate Unofficial Names for Post Falls: Marshall, Q'emiln.

Jump to... (On This Page!)
  1. Post Falls 2018 Demographic Data
  2. Growth Rates for Post Falls (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Idaho Research Tools (Easy Tools & Current Data)
  3. Idaho Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Post Falls, ID Data & Demographics (As of July 1, 2018)


Total Population 33,333
Population in Households 33,253
Population in Familes 27,518
Population in Group Qrtrs 80
Population Density2 2,323
Diversity Index3 23


Median Household Income $51,489
Average Household Income $63,736
Per Capita Income $23,434


Total Housing Units 12,989 (100%)
Owner Occupied HU 7,801 (60.1%)
Renter Occupied HU 4,414 (34.0%)
Vacant Housing Units 773 ( 6.0%)
Median Home Value $196,142
Average Home Value $243,216


Total Households 12,216
Average Household Size 2.72
Family Households 8,662
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 2.32% 2.1%
Households 2.13% 1.99%
Families 1.93% 1.88%
Median Household Income   2.52%
Per Capita Income   3.22%

Post Falls, ID - Peer Comparisons by Rank and Percentile

The table below compares Post Falls to the other 227 incorporated cities, towns and CDPs in Idaho 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 # 10 96th
Population Density # 27 89th
Diversity Index # 126 45th
Median Household Income # 71 69th
Per Capita Income # 104 55th

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

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Idaho Census Data Comparison Tool

Compare Idaho July 1, 2018 Data
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