Lewis County, Idaho Population 2024

3,871

Lewis County, Idaho's estimated 2024 population is 3,871 with a growth rate of 1.41% 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 1.34% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20294,141541.32%
20284,087541.34%
20274,033541.36%
20263,979541.38%
20253,925541.39%
20243,871541.41%
20233,817541.44%
20223,763541.46%
20213,7091815.13%
20203,528-317-8.24%
20193,845100.26%
20183,835-48-1.24%
20173,883330.86%
20163,850581.53%
20153,792-21-0.55%
20143,81380.21%
20133,805-15-0.39%
20123,820150.39%
20113,805-15-0.39%
20103,820
19903,516-602-14.62%
19804,1182516.49%
19703,867-556-12.57%
19604,4232155.11%
19504,208-458-9.82%
19404,666-572-10.92%
19305,238-613-10.48%
19205,8511,71041.29%
showing: 28 rows
2024 Growth Rate
1.41% (54)
County Website
Lewis County
State
Idaho
County Seat
2010 Population
3,820
Area
479 mi²
Density
8 people/mi²
Growth Since 2010
1.34% (51)
Founded
March 3, 1911

Lewis County, Idaho Population 2024

Population by Race

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Race
Population
Percentage (of total)
White2,98682.26%
Two or more races3218.84%
Other race1213.33%
Native American1002.75%
Black or African American671.85%
Asian350.96%
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Two or more races

Other race

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

Lewis County, Idaho Population by Race

Lewis County, Idaho Population Pyramid 2024

Lewis County, Idaho Median Age

49.1

Total

49.2

Male

49

Female

Lewis County, Idaho Adults

There are 2,823 adults, (1,013 of whom are seniors) in Lewis County, Idaho.

Lewis County, Idaho Age Dependency

100.6

Age Dependency Ratio

56

Old Age Dependency Ratio

44.6

Child Dependency Ratio

Lewis County, Idaho Sex Ratio

Female1,80549.72%
Male1,82550.28%

Lewis County, Idaho Population by Age

Lewis County, Idaho Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,5662.2873.426.6
Married7952.9284.515.5
Non Family6221.1860.839.2
Female833.6169.930.1
Male663.1562.137.9
showing: 5 rows

2.95

Average Family Size

2.28

Average Household Size

73.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Lewis County, Idaho Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Lewis County, Idaho Educational Attainment by Sex (over 25)

Lewis County, Idaho Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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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%.

Lewis County, Idaho Educational Attainment by Race

All

Male

Female

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$37,370

Average Earnings

$42,303

Average Male

$27,589

Average Female

Lewis County, Idaho Earnings by Educational Attainment

Lewis County, Idaho Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Lewis County, Idaho Language

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.

Lewis County, Idaho Language

Lewis County, Idaho Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White2,91041214.16%
Hispanic1938644.56%
Other1216452.89%
Black675988.06%
Multiple3204413.75%
Native893741.57%
Asian3512.86%
showing: 7 rows

17.69%

Overall Poverty Rate

16.6%

Male Poverty Rate

18.8%

Female Poverty Rate

Poverty in Lewis County, Idaho

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%.

Lewis County, Idaho Poverty

rate

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Rate
Poverty
Less Than 9th Grade22.8%
High School17.15%
Some College13.64%
Bachelors or Greater8.66%
showing: 4 rows

Lewis County, Idaho Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed25.64%
Female Employed13.27%
Male Employed6.01%
Male Unemployed
showing: 4 rows

Lewis County, Idaho Poverty Rate by Employment Status and Sex

Lewis County, Idaho Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Lewis County, Idaho Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

56.1%

Overall Marriage Rate

55.9%

Male Marriage Rate

56.3%

Female Marriage Rate

Lewis County, Idaho Married by Age and Sex

male

female

Lewis County, Idaho Marriage

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.

Lewis County, Idaho Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Lewis County, Idaho Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

327

Number of Veterans

288

Male Veterans

39

Female Veterans

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Lewis County, Idaho Veterans by War

count

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Lewis County, Idaho Veterans by Age

count

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Lewis County, Idaho Veterans by Race

Lewis County, Idaho Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.65%

Veteran Poverty Rate

46.79%

Veteran Disability Rate

Lewis County, Idaho Veterans by Education

LaborForceParticipation

47.7%

Labor Force Participation

45.7%

Employment Rate

4.2%

Unemployment Rate

Lewis County, Idaho Employment by Age

LaborForceParticipation

Lewis County, Idaho Employment by Race

LaborForceParticipation

Lewis County, Idaho Employment by Education

Origin of Non-Citizens

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.

Origin of Naturalized Citizens

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

Place of Birth

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.

Lewis County, Idaho Place of Birth

Sources