Lewis County vs Oneida County

A side-by-side comparison of Lewis County and Oneida County: population, income, housing, and more.

Lewis County and Oneida County are counties in Idaho. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Oneida County has the higher population (4,681 vs 3,649 in Lewis County). Oneida County has the higher median household income ($72,563 vs $49,643 in Lewis County). Oneida County has the higher median home value ($228,100 vs $202,400 in Lewis County).

Population, income & housing

	Lewis County	Oneida County
Population	3,649	4,681
Median age	48.9 yrs	40.2 yrs
Median household income	$49,643	$72,563
Median home value	$202,400	$228,100
Median gross rent	$708	$1,009
Housing units	1,823	2,062
Homeownership rate	74.2%	87.2%
Bachelor's degree or higher	20.0%	26.2%
Unemployment rate	3.5%	1.5%

Trends (ACS 5-year, 2019–2023)

	Lewis County	Oneida County
Population	3,838 → 3,649 (-4.9%)	4,385 → 4,681 (+6.8%)
Median household income	$41,198 → $49,643 (+20.5%)	$53,841 → $72,563 (+34.8%)
Median home value	$132,300 → $202,400 (+53.0%)	$167,100 → $228,100 (+36.5%)
Median gross rent	$593 → $708 (+19.4%)	$748 → $1,009 (+34.9%)

Lewis County

Population

3,8383,649

Median household income

$41,198$49,643

Median home value

$132,300$202,400

Median gross rent

$593$708

Oneida County

Population

4,3854,681

Median household income

$53,841$72,563

Median home value

$167,100$228,100

Median gross rent

$748$1,009

Age & race/ethnicity

Age distribution (share)

	Lewis County	Oneida County
Under 5	4.8%	6.4%
5 to 17	17.2%	20.3%
18 to 24	5.2%	8.5%
25 to 34	8.2%	8.4%
35 to 44	11.3%	12.9%
45 to 54	9.6%	11.3%
55 to 64	15.9%	12.6%
65 to 74	16.9%	11.4%
75 and over	10.9%	8.1%

Race & ethnicity (share)

	Lewis County	Oneida County
White (non-Hispanic)	82.2%	92.2%
Black or African American	1.7%	0.4%
American Indian & Alaska Native	1.5%	0.3%
Asian	0.9%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.8%	0.6%
Two or more races	8.8%	2.1%
Hispanic or Latino	4.1%	4.4%

Educational attainment (age 25+)

Share of adults 25+

	Lewis County	Oneida County
No high school diploma	9.2%	5.8%
High school graduate	32.0%	35.8%
Some college or associate's	38.8%	32.3%
Bachelor's degree	14.5%	17.8%
Graduate or professional degree	5.5%	8.4%

Commute to work

How workers get to work (share)

	Lewis County	Oneida County
Drove alone	74.9%	76.7%
Carpooled	10.2%	9.6%
Public transit	0.0%	0.0%
Walked	3.1%	1.4%
Bicycle	0.4%	0.0%
Worked from home	10.7%	12.3%
Other means	0.8%	0.0%

Housing

Units in structure (share)

	Lewis County	Oneida County
1-unit, detached	79.5%	93.9%
1-unit, attached	0.3%	0.8%
2 to 4 units	5.0%	0.5%
5 to 19 units	0.7%	1.4%
20 or more units	0.9%	0.0%
Mobile home & other	13.5%	3.4%

Poverty & households

	Lewis County	Oneida County
Poverty rate	17.4%	11.8%
Average household size	2.31	2.40
Mean commute (minutes)	21	26
Median year structure built	1965	1963