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COUNTY · 2020 ACS

Lewis County

Idaho · 3,533 residents · 478.822 sq mi
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The short version

Lewis County has notably lower household income than the US average, with a median household income of $42,370. Population has declined 6% since 2000. 19% of adults hold a bachelor's degree or higher, below the national rate of 33%. Median home value has more than doubled since 2000, reaching $150,000. With a median age of 48.8, the population is older than the US median of 38.8. Households here earn about 28% less than the Idaho median.

At a glance
Lower income
below the US median
US median: $66,278
Older
median age 48.8
US median: 38.8
Less educated
19% hold a bachelor's degree
US average: 33%
Less affordable
home values up 28%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
3,533
−6%since 2000
from 3,747 in 2000
1990 – 2025
Population density
7 / sq mi
−6%since 2000
from 8 / sq mi in 2000
US average: 280
Median age
48.8
+15%since 2000
from 42.5 in 2000
US average: 38.8
Population, 1990 – 2024
3K4K4K4K4K1990201020202024Lewis County
20244K
1990201020202024
Section 02

Income & economy

Median household income
$42,370
−10%inflation adjusted, since 2000
from $31,413 in 2000
US average: $66,278
1990 – 2024
Per capita income
$24,994
+57%since 2000
from $15,942 in 2000
US average: $35,364
Households earning $100K+
22.9%
+10.4 ptssince 2009
from 12.6% in 2009
US average: 43.9%
Poverty rate
15.4%
+3.4 ptssince 2000
from 12.0% in 2000
US average: 12.8%
Workforce by industry, 2020
Agriculture, forestry, fishing12.3%
US avg: 1.7%
Construction11.5%
US avg: 1.2%
Wholesale trade9.6%
US avg: 6.7%
Retail trade8.4%
US avg: 10%
Information6.4%
US avg: 11.1%
Finance & insurance5.7%
US avg: 5.5%
Professional, scientific, technical4.9%
US avg: 4.7%
Transportation & warehousing3%
US avg: 2.5%
Other services2.8%
US avg: 6.6%
Public administration2.1%
US avg: 4.7%
Arts, entertainment, food1.6%
US avg: 2%
Manufacturing0.8%
US avg: 0.5%
Education & health services0.8%
US avg: 0.8%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$150,000
+28%inflation adjusted, since 2000
from $78,200 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$585
+14%inflation adjusted, since 2000
from $342 in 2000
US average: $1,124
Owner-occupied
71.3%
−3.3 ptssince 2000
from 74.6% in 2000
28.7% rent
Afford Score
3.5
+42%since 2000
from 2.5 in 2000
1990 – 2024
RELATED:See current rent listings in Lewis County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic91.5%(3,427)
Black0.3%(13)
Hispanic / Latino1.9%(71)
Asian0.4%(14)
Other0%
Diversity Score6.8%(255)
Segregation Score0%
2020
White, non-Hispanic85.8%(3,031)
Black0.2%(6)
Hispanic / Latino3.9%(138)
Asian0.2%(7)
Other11.5%(407)
Diversity Score34.1%(1,204)
Segregation Score19.6%(693)
Diversity Score
34
+401%since 2000
from 7 in 2000
1990 – 2024
Segregation Score
20
Section 05

Education

Bachelor's degree or higher
19.1%
+4.3 ptssince 2000
from 14.8% in 2000
US average: 32.9%
High school or higher
89.1%
+4.9 ptssince 2000
from 84.2% in 2000
US average: 88.5%
Graduate degree
5.8%
+2.1 ptssince 2000
from 3.7% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
21.3 min
+22%since 2000
from 17.5 min in 2000
US average: 26.9
Drive alone to work
75.8%
−1.5 ptssince 2009
from 77.2% in 2009
US average: 75.1%
No vehicle available
5.5%
−1.4 ptssince 2009
from 6.9% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
5.1%
−3.9 ptssince 2011
from 9.0% in 2011
US average: 5.4%
Labor force participation
47.0%
−4.8 ptssince 2011
from 51.8% in 2011
US average: 63.4%
Management & professional
31.3%
−27.6 ptssince 2009
from 58.9% in 2009
US average: 39.3%
Section 08

People & community

Male
49.2%
−0.3 ptssince 2009
from 49.5% in 2009
Female
50.8%
+0.3 ptssince 2009
from 50.5% in 2009
Foreign born
1.8%
+0.7 ptssince 2009
from 1.1% in 2009
US average: 13.5%
Uninsured
13.6%
−64.8 ptssince 2013
from 78.4% in 2013
US average: 8.8%
Drill deeper

Places similar to Lewis County

Hardin County
Pop 3,588
Woodson County
Pop 3,118
Glascock County
Pop 3,141
Chautauqua County
Pop 3,321
Places similar to Lewis County
Head to head

Compare Lewis County to nearby counties

LEWIS COUNTY VS
Nez Perce County
Income$72,599+71%
Home value$334,700+123%
Population42,905+1058%
SEE FULL COMPARISON →
LEWIS COUNTY VS
Asotin County
Income$72,283+71%
Home value$325,600+117%
Population22,545+509%
SEE FULL COMPARISON →
LEWIS COUNTY VS
Latah County
Income$65,424+54%
Home value$368,600+146%
Population41,842+1030%
SEE FULL COMPARISON →
LEWIS COUNTY VS
Clearwater County
Income$60,000+42%
Home value$268,200+79%
Population9,118+146%
SEE FULL COMPARISON →
Frequently asked

How many people live in Lewis County, Idaho?

Lewis County, Idaho has about 3,533 residents according to the 2020 American Community Survey.

What is the median household income in Lewis County, Idaho?

The typical household in Lewis County, Idaho earns about $42,370 a year. Half of households make more than that, and half make less.

Is Lewis County, Idaho expensive?

In Lewis County, Idaho, the median home is worth about $150,000, and the typical rent is about $585 a month.

How educated are people in Lewis County, Idaho?

About 19.1% of adults age 25 and over in Lewis County, Idaho hold a bachelor's degree or higher.

What is the poverty rate in Lewis County, Idaho?

About 15.4% of people in Lewis County, Idaho live below the federal poverty line.

Has Lewis County, Idaho grown since 1990?

Yes, Lewis County, Idaho has grown since 1990. The population has added about 17 residents, a change of about 0 percent over that period.

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Explore from here

3 census tracts
Census Tract 9400.02Census Tract 9400.01Census Tract 9503
2 ZIP codes
ZIP 83523ZIP 83543
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →