Post Falls, ID Profile: Facts, Map & 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 31,770 as of July 1, 2017. 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 47.7202 and longitude -116.9388 in Kootenai County. The formal boundaries for the City of Post Falls (see map below) 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.

Beneath the boundary map are tables with Post Falls population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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

EXTREMELY LOCAL Demographic Data

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City of Post Falls, ID Boundary Map

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Boundary Maps: Post Falls-Rathdrum Division | Kootenai County | Idaho Counties

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Post Falls, ID Data & Demographics (As of July 1, 2017)


Total Population 31,770
Daytime Population: Workers 11,307
Daytime Population: Residents 16,660
Total Daytime Population (TDP) 27,967
Ratio TDP/Total Population1 0.88
Population in Households 31,691
Population in Familes 26,134
Population in Group Qrtrs 79
Population Density2 2,215
Diversity Index3 23


Median Household Income $48,077
Average Household Income $60,331
Per Capita Income $22,357


Total Housing Units 12,685 (100%)
Owner Occupied HU 7,980 (62.9%)
Renter Occupied HU 3,752 (29.6%)
Vacant Housing Units 953 ( 7.5%)
Median Home Value $186,449
Average Home Value $223,888


Total Households 11,732
Average Household Size 2.7
Family Households 8,370
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 1.97% 1.77%
Households 1.86% 1.72%
Families 1.72% 1.64%
Median Household Income   0.86%
Per Capita Income   1.94%

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, 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 # 10 96th
Population Density # 31 87th
Diversity Index # 129 44th
Median Household Income # 72 69th
Per Capita Income # 95 59th

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

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