Lewiston, ID Profile: Facts, Map & Data


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Lewiston, Idaho - Basic Facts

The City of Lewiston is the 9th largest city in Idaho with a population of 33,087 as of July 1, 2017. Lewiston 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 Lewiston is located at latitude 46.3931 and longitude -116.9935 in Nez Perce County. The formal boundaries for the City of Lewiston (see map below) encompass a land area of 17.23 sq. miles and a water area of 0.81 sq. miles. Nez Perce County is in the Pacific time zone (GMT -8). The elevation is 738 feet.

The City of Lewiston (GNIS ID: 2410825) 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 Lewiston is located within Lewiston Division of Nez Perce County.

Beneath the boundary map are tables with Lewiston 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 Lewiston: Stqhweyiyep.

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City of Lewiston, ID Boundary Map

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Boundary Maps: Lewiston Division | Nez Perce County | Idaho Counties

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


Total Population 33,087
Daytime Population: Workers 18,001
Daytime Population: Residents 16,610
Total Daytime Population (TDP) 34,611
Ratio TDP/Total Population1 1.05
Population in Households 32,177
Population in Familes 24,267
Population in Group Qrtrs 910
Population Density2 1,920
Diversity Index3 22


Median Household Income $47,327
Average Household Income $61,108
Per Capita Income $26,051


Total Housing Units 14,525 (100%)
Owner Occupied HU 8,880 (61.1%)
Renter Occupied HU 4,857 (33.4%)
Vacant Housing Units 788 ( 5.4%)
Median Home Value $182,807
Average Home Value $209,257


Total Households 13,737
Average Household Size 2.34
Family Households 8,415
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 0.51% 0.48%
Households 0.42% 0.43%
Families 0.36% 0.33%
Median Household Income   1.35%
Per Capita Income   1.97%

Lewiston, ID - Peer Comparisons by Rank and Percentile

The table below compares Lewiston 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 # 9 96th
Population Density # 49 79th
Diversity Index # 132 42nd
Median Household Income # 80 65th
Per Capita Income # 42 82nd

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

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