Lewiston, Idaho Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Lewiston, Idaho is 34,471 as of the 2023 American Community Survey, making it the 11th-largest city in Idaho. The median household income is $71,047, the median home value is $290,900, and the median age is 39.7.
The population has grown 8.7% since 2010 (31,919 → 34,693).
34,471
Population
1964
People / sq mi
$71,047
Median Income
$290,900
Median Home Value
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Lewiston covers 17.5 sq mi of land at 1964 people per square mile.
About Lewiston, ID
Lewiston is distinguished by its share of foreign-born residents, 45.3% of the population. With 34,471 residents, Lewiston is a city in Idaho. It ranks #11 among cities in Idaho by population.
Median household income is $71,047, below the US median of $78,538. The poverty rate is 8.4%, below the national 12.4%. The typical home is valued at $290,900, with typical rent around $938.
27.0% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Just 7.8% of workers are home-based, below the national 14.0%, and the average commute runs about 16 minutes each way.
The large foreign-born share is a defining thread in Lewiston, shaping language, household composition, and the labor force behind the economic figures above.
Lewiston city Population History (2010-2024)
The city of Lewiston city had a population of 31,919 in 2010 and 34,693 in 2024, a 8.7% growth over 14 years. The peak was 34,906 in 2022. Average annual growth rate: 0.60%.
34,693
Population (2024)
31,919
Population (2010)
34,906
Peak (2022)
0.60%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 31,919 |
| 2011 | 31,981 |
| 2012 | 32,012 |
| 2013 | 32,255 |
| 2014 | 32,311 |
| 2015 | 32,474 |
| 2016 | 32,626 |
| 2017 | 32,744 |
| 2018 | 32,693 |
| 2019 | 32,788 |
| 2020 | 34,250 |
| 2021 | 34,512 |
| 2022 | 34,906 |
| 2023 | 34,837 |
| 2024 | 34,693 |
Race & Ethnicity
| White | 91.2% |
| Black or African American | 0.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.2% |
| Two or More Races | 0.3% |
Economy & Income
$71,047
Median Household Income
$37,589
Per Capita Income
8.4%
Poverty Rate
1.8%
Unemployment Rate
Housing
$290,900
Median Home Value
$938
Median Rent
70.0%
Owner-Occupied
Education
93.2%
High School+
27.0%
Bachelor's+
Commute
0.2%
Drive Alone
81.8%
Public Transit
7.8%
Work From Home
15.6 min
Avg Commute
Community Profile
45.3%
Foreign Born
96.8%
Non-English at Home
8.3%
Veterans
17.4%
With Disability
91.3%
Health Insurance
93.6%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 24.8% |
| Manufacturing | 16.2% |
| Education, Health Care & Social Services | 8.4% |
| Information | 7.4% |
| Construction | 6.0% |
| Public Administration | 5.9% |
| Arts, Entertainment & Food Services | 5.0% |
| Finance, Insurance & Real Estate | 4.8% |
| Retail Trade | 3.8% |
| Transportation & Warehousing | 1.7% |
| Agriculture & Mining | 1.7% |
Largest cities in Idaho
Largest counties in Idaho
Part of Idaho
Metro areas in Idaho
City rankings
Frequently Asked Questions
Lewiston, Idaho has a population of 34,471 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 11th-largest city in Idaho.
The median household income in Lewiston, Idaho is $71,047, with 8.4% of residents living below the federal poverty level.
The median home value in Lewiston, Idaho is $290,900, with median monthly rent at $938 and a homeownership rate of 70.0%.
The median age in Lewiston, Idaho is 39.7 years. The population is 48.7% male and 51.3% female.
The population has grown 8.7% since 2010 (31,919 → 34,693).
Where to stay in Lewiston
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Statewide data for Idaho
Population, race, income, age, and trends across Idaho
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.