Lewis County, Idaho's estimated 2024 population is 3,753 with a growth rate of 0.37% in the past year according to the most recent United States census data. Lewis County, Idaho is the 41st largest county in Idaho. The 2010 population was 3,820 and has seen a growth of -1.75% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 3,823 | 14 | 0.37% |
| 2028 | 3,809 | 14 | 0.37% |
| 2027 | 3,795 | 14 | 0.37% |
| 2026 | 3,781 | 14 | 0.37% |
| 2025 | 3,767 | 14 | 0.37% |
| 2024 | 3,753 | 14 | 0.37% |
| 2023 | 3,739 | 14 | 0.38% |
| 2022 | 3,725 | 35 | 0.95% |
| 2021 | 3,690 | 163 | 4.62% |
| 2020 | 3,527 | -318 | -8.27% |
| 2019 | 3,845 | 10 | 0.26% |
| 2018 | 3,835 | -48 | -1.24% |
| 2017 | 3,883 | 33 | 0.86% |
| 2016 | 3,850 | 58 | 1.53% |
| 2015 | 3,792 | -21 | -0.55% |
| 2014 | 3,813 | 8 | 0.21% |
| 2013 | 3,805 | -15 | -0.39% |
| 2012 | 3,820 | 15 | 0.39% |
| 2011 | 3,805 | -15 | -0.39% |
| 2010 | 3,820 | 0 | 0% |
| 1990 | 3,516 | -602 | -14.62% |
| 1980 | 4,118 | 251 | 6.49% |
| 1970 | 3,867 | -556 | -12.57% |
| 1960 | 4,423 | 215 | 5.11% |
| 1950 | 4,208 | -458 | -9.82% |
| 1940 | 4,666 | -572 | -10.92% |
| 1930 | 5,238 | -613 | -10.48% |
| 1920 | 5,851 | 2,028 | 53.05% |
White
Two or more races
Other race
Native American
Black or African American
Asian
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 1,566 | 2.28 | 73.4 | 26.6 |
| Married | 795 | 2.92 | 84.5 | 15.5 |
| Non Family | 622 | 1.18 | 60.8 | 39.2 |
| Female | 83 | 3.61 | 69.9 | 30.1 |
| Male | 66 | 3.15 | 62.1 | 37.9 |
2.95
Average Family Size
2.28
Average Household Size
73.4%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among black people with a rate of 100%.
The highest rate of bachelors degrees is among black people with a rate of 40%.
All
Male
Female
$37,370
Average Earnings
$42,303
Average Male
$27,589
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
94.16% of Lewis County, Idaho residents speak only English, while 5.84% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.53% of the population.
rate
17.69%
Overall Poverty Rate
16.6%
Male Poverty Rate
18.8%
Female Poverty Rate
The race most likely to be in poverty in Lewis County, Idaho is Black, with 88.06% below the poverty level.
The race least likely to be in poverty in Lewis County, Idaho is Asian, with 2.86% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 4.33%. Among those working part-time, it was 17.04%, and for those that did not work, the poverty rate was 21.91%.
Married
Widowed
Divorced
Separated
NeverMarried
56.1%
Overall Marriage Rate
55.9%
Male Marriage Rate
56.3%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
7.65%
Veteran Poverty Rate
46.79%
Veteran Disability Rate
LaborForceParticipation
47.7%
Labor Force Participation
45.7%
Employment Rate
4.2%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
51.49%
Born in Lewis County, Idaho
98.4%
Native Born
1.6%
Foreign Born
0.47%
Non Citizen
1.13%
Naturalized
98.4% of Lewis County, Idaho residents were born in the United States, with 51.49% having been born in Idaho. 0.47% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.