Lewis County, Idaho Population 2018

Lewis County, Idaho's estimated population is 3,887 with a growth rate of 1.59% in the past year according to the most recent United States census data. Lewis County, Idaho is the 41st largest county in Idaho.

Year Population Growth Growth Rate
20173,887611.59%
20163,826-17-0.44%
20163,843631.67%
20153,780-30-0.79%
20143,81080.21%
20133,802-17-0.45%
20123,819150.39%
20113,804-16-0.42%
20103,8203048.65%
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%
19205,8510.00%

Lewis County, Idaho Population Growth

Population Data via

Population by Race

Race Population
White3,391
American Indian and Alaska Native211
Two or More Races171
Asian28
Some Other Race21
Black or African American3
Native Hawaiian and Other Pacific Islander1

Race Data via US Census (2016 ACS 5-Year Survey)

Lewis County, Idaho Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Lewis County, Idaho Median Age

47.9


Total

45.9


Male

48.9


Female

Lewis County, Idaho Adults

There are 2,969 adults, (922 of which are seniors) in Lewis County, Idaho.

Lewis County, Idaho Age Dependency

86.8

Age Dependency Ratio

45

Old Age Dependency Ratio

41.8

Child Dependency Ratio

Lewis County, Idaho Sex Ratio

Female

1,920

50.18%

Male

1,906

49.82%

Lewis County, Idaho Households and Families

Lewis County, Idaho Renter vs Owner Occupied by Household Type

Lewis County, Idaho Household Types

Type Owner Renter
Married82.2%17.8%
All71.7%28.3%
Non Family63.5%36.5%
Male61.2%38.8%
Female48.8%51.2%

71.7%

Rate of Home Ownership

Lewis County, Idaho Households by Type

Type Count Average Size Owned
All1,6242.3271.7
Married8162.8482.2
Non Family6161.263.5
Female1253.6848.8
Male673.6761.2

2.92

Average Family Size

2.32

Average Household Size

5.3%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

Lewis County, Idaho Households

Lewis County, Idaho Education

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

Education Attained Count Percentage
Less Than 9th Grade1184.35%
9th to 12th Grade1686.20%
High School Graduate93234.39%
Some College82830.55%
Associates Degree2308.49%
Bachelors Degree32111.85%
Graduate Degree1134.17%

Lewis County, Idaho Educational Attainment by Race

Name Total High School Bachelors
White2,4552,211401
Native American1109426
Multiple Races79684
Hispanic6346
Asian17163
Other Race1515

The highest rate of high school graduation is among other race people with a rate of 100.00%.

The highest rate of bachelors degrees is among other race people with a rate of 23.64%.

Lewis County, Idaho Earnings by Educational Attainment

Name Average Male Female
Overall$25,984$34,635$19,448
Less Than High School$14,875$$14,531
High School Grad$19,900$31,190$13,194
Some College$24,583$32,353$20,511
Bachelors Degree$41,050$52,143$31,838
Graduate Degree$50,893$54,375$42,500

$25,984

Average Earnings

$34,635

Average Male

$19,448

Average Female

Lewis County, Idaho Language

Lewis County, Idaho Language by Age

Lewis County, Idaho Language

97.60% of Lewis County, Idaho residents speak only English, while 2.40% speak other languages. The largest non-English language is OtherIndoEuro, which is spoken by 0.72% of the population.

Lewis County, Idaho Poverty

Lewis County, Idaho Poverty by Race

Name Total In Poverty Poverty Rate
White3,25245213.90%
Native2107837.14%
Multiple1675935.33%
Hispanic1523120.39%
Other13753.85%
Asian2813.57%
Islander11100.00%

15.92%

Overall Poverty Rate

13.46%

Male Poverty Rate

18.31%

Female Poverty Rate

Poverty in Lewis County, Idaho

The race most likely to be in poverty in Lewis County, Idaho is Islander, with 100.00% below the poverty level.

The race least likely to be in poverty in Lewis County, Idaho is Asian, with 3.57% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.86%. Among those working part-time, it was 24.26%, and for those that did not work, the poverty rate was 16.88%.

Lewis County, Idaho Poverty Rate by Education

Name Poverty
Less Than High School19.30%
High School14.21%
Some College12.19%
Bachelors or Greater5.99%

Lewis County, Idaho Poverty Rate by Employment Status and Sex

Name Poverty
Male Unemployed39.62%
Female Unemployed28.30%
Female Employed13.75%
Male Employed7.26%

Lewis County, Idaho Income

Lewis County, Idaho Income by Household Type

Name Median Mean
Households$38,068$51,618
Families$50,203$62,042
Married Families$58,125$
Non Families$21,188$33,152

Lewis County, Idaho Marital Status

Lewis County, Idaho Marital Status

Marriage Rates

54.8%

Overall Marriage Rate

56.1%

Male Marriage Rate

53.5%

Female Marriage Rate

Lewis County, Idaho Married by Age and Sex

Lewis County, Idaho Marriage

The age group where males are most likely to be married is 55To64, while the female age group most likely to be married is 35To44.

Lewis County, Idaho Marital Status by Race

Lewis County, Idaho Veterans

Lewis County, Idaho Veterans by War

431

Number of Veterans

400

Male Veterans

31

Female Veterans

Name Veterans
Vietnam193
Korea57
World War II31
Second Gulf War23
First Gulf War19

Lewis County, Idaho Veterans by Age

Name Veterans
75+143
55 to 64123
65 to 74121
35 to 5434
18 to 3410

Lewis County, Idaho Veterans by Race

Name Veterans % of Total
White40014.99%
2 or More2417.65%
Hispanic1112.22%
Indian75.79%

Lewis County, Idaho Veterans by Education

9.51%

Veteran Poverty Rate

50.35%

Veteran Disability Rate

Lewis County, Idaho Employment Status

Lewis County, Idaho Employment by Age

55%

Labor Force Participation

51.6%

Employment Rate

6.3%

Unemployment Rate

Lewis County, Idaho Employment by Race

Lewis County, Idaho Employment by Education

Population of Cities in Lewis County, Idaho

City 2010 Census 2016 Estimated Growth Growth Rate
Kamiah 12931292-1-0.08%
Craigmont501499-2-0.40%
Nezperce46747471.50%
Winchester34034772.06%
Reubens636411.59%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990