Demographics of Lewiston city, Idaho

Lewiston city, Idaho had 34,717 people on July 1, 2025, by the Census Bureau’s estimate: +465 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Lewiston city, in four figures

34,717
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 34,651 ±45.; +1.4%
Change since July 2020: +465 people.; 39.8 ±0.7
Median age: ACS 2020–⁠2024.; $72,197 ±$6,698
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Lewiston city, Idaho's population grew 1.4% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Lewiston city, Idaho's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Lewiston city, Idaho's population grew 1.4% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Lewiston city, Idaho's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	34,252	100.0	100.0
2021	34,515	100.8	100.2
2022	34,900	101.9	100.7
2023	34,818	101.7	101.6
2024	34,728	101.4	102.5
2025	34,717	101.4	103.1

Population of Lewiston city, Idaho on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	34,252	—
2021	34,515	+263
2022	34,900	+385
2023	34,818	−82
2024	34,728	−90
2025	34,717	−11

Age, 2020–2024

The median age is 39.8 ±0.7: for men 38.7 ±0.8 and for women 40.8 ±1.0. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

2 more columns on a wider screen

People in Lewiston city by age, ACS 2020–2024
Age	People	Share	Idaho	United States
Under 5	1,785 ±161	5.2% ±0.5	5.9% ±<0.1	5.6% ±<0.1
5 to 17	5,568 ±420	16.1% ±1.2	18.2% ±0.2	16.3% ±<0.1
18 to 24	3,346 ±383	9.7% ±1.1	9.8% ±0.1	9.1% ±<0.1
25 to 44	8,598 ±408	24.8% ±1.2	26.1% ±0.2	26.9% ±<0.1
45 to 64	8,208 ±525	23.7% ±1.5	23.0% ±0.2	24.8% ±<0.1
65 and over	7,146 ±536	20.6% ±1.5	17.0% ±0.2	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $72,197 ±$6,698, and income per person $37,764 ±$2,286, in 2024 dollars. The median is $77,800 ±$743 in Idaho and $80,734 ±$166 in the United States.

Households by income

2 more columns on a wider screen

Households in Lewiston city by income, ACS 2020–2024
Household income	Households	Share	Idaho	United States
Under $25,000	2,192 ±418	15.4% ±2.9	12.5% ±0.3	14.6% ±<0.1
$25,000 to $49,999	3,205 ±481	22.5% ±3.4	17.6% ±0.4	16.7% ±<0.1
$50,000 to $74,999	2,008 ±321	14.1% ±2.2	18.1% ±0.4	15.5% ±<0.1
$75,000 to $99,999	2,060 ±344	14.5% ±2.4	14.7% ±0.4	12.6% ±<0.1
$100,000 to $149,999	2,753 ±339	19.3% ±2.4	19.3% ±0.4	17.5% ±<0.1
$150,000 to $199,999	1,112 ±218	7.8% ±1.5	8.7% ±0.3	9.6% ±<0.1
$200,000 or more	905 ±241	6.4% ±1.7	9.2% ±0.3	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

2 more columns on a wider screen

Poverty rate in Lewiston city by age, ACS 2020–2024
Age	Below poverty	Rate	Idaho	United States
All ages	4,170 ±843	12.5% ±2.5	10.6% ±0.3	12.5% ±0.1
Under 18	1,147 ±304	16.1% ±4.1	12.4% ±0.5	16.1% ±0.1
18 to 59	2,266 ±500	12.9% ±2.8	10.4% ±0.3	11.6% ±0.1
60 and over	757 ±192	8.8% ±2.2	9.1% ±0.4	11.0% ±<0.1

Housing, 2020–2024

1 more column on a wider screen

Housing in Lewiston city, ACS 2020–2024
Measure	Lewiston city	Idaho	United States
Housing units	15,109 ±195	795,014 ±223	143,775,355 ±10,234
Occupied	94.2% ±1.3	89.7% ±0.3	89.9% ±0.1
Vacant	5.8% ±1.6	10.3% ±0.3	10.1% ±0.1
Owner occupied	67.5% ±2.6	72.1% ±0.4	65.2% ±0.3
Renter occupied	32.5% ±2.6	27.9% ±0.4	34.8% ±0.1
Median home value	$333,700 ±$10,544	$418,600 ±$2,550	$332,700 ±$236
Median gross rent	$1,027 ±$64	$1,238 ±$16	$1,413 ±$2
Median year built	1971 ±2	1991 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

2 more columns on a wider screen

People in Lewiston city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Idaho	United States
Hispanic or Latino	1,452 ±222	4.2% ±0.6	13.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	30,673 ±346	88.5% ±1.0	78.6% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	9 to 101	< 0.1% to 0.3%	0.7% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	334 ±86	1.0% ±0.2	1.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	424 ±165	1.2% ±0.5	0.7% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 125	0% to 0.4%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	50 to 350	0.1% to 1.0%	0.6% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,458 ±172	4.2% ±0.5	4.2% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

2 more columns on a wider screen

People in Lewiston city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Idaho	United States
Born in the state	17,833 ±770	51.5% ±2.2	43.9% ±0.3	57.3% ±<0.1
Born in another state	16,017 ±749	46.2% ±2.2	49.1% ±0.3	26.9% ±<0.1
Born a citizen outside the states	73 to 255	0.2% to 0.7%	1.0% ±0.1	1.7% ±<0.1
Born abroad	637 ±148	1.8% ±0.4	5.9% ±0.2	14.1% ±<0.1
Naturalized citizens	447 ±149	1.3% ±0.4	2.7% ±0.1	7.4% ±<0.1
Not citizens	94 to 286	0.3% to 0.8%	3.2% ±0.2	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Lewiston city among the places of Idaho

11th of 36 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the Idaho page.

Places of Idaho near Lewiston city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Pocatello city	57,635 ±38
Coeur d'Alene city	56,447 ±45
Twin Falls city	54,164 ±45
Post Falls city	43,391 ±35
Rexburg city	40,543 ±33
Lewiston city	34,651 ±45
Eagle city	32,855 ±39
Kuna city	27,158 ±31
Moscow city	26,286 ±22
Ammon city	19,064 ±29
Mountain Home city	16,493 ±52

Elsewhere on the site

Reported crime in Lewiston city, Idaho

Rankings this appears in

No. 2 Places in Idaho by median age
No. 4 Places in Idaho by poverty rate
No. 5 Places in Idaho by per capita income
No. 6 Places in Idaho by median household income
No. 10 Places in Idaho by homeownership rate
No. 16 Places in Idaho by median rent

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026