Nez Perce County, Idaho Population 2020

Nez Perce County, Idaho's estimated population is 40,476 with a growth rate of 0.08% in the past year according to the most recent United States census data. Nez Perce County, Idaho is the 10th largest county in Idaho.

Year Population Growth Growth Rate
202040,476340.08%
201940,442340.08%
201840,408340.08%
201740,3742140.53%
201640,1601640.41%
201539,9961610.40%
201439,835420.11%
201339,7932950.75%
201239,498670.17%
201139,4311160.30%
201039,3155,56116.48%
199033,7545341.61%
198033,2202,8449.36%
197030,3763,31012.23%
196027,0664,40819.45%
195022,6583,78520.06%
194018,8731,2827.29%
193017,5912,33815.33%
192015,253-9,607-38.64%
191024,86011,11280.83%
190013,74810,901382.89%
18902,847-1,118-28.20%
18803,9652,358146.73%
18701,6070.00%
2020 Growth Rate
0.08%
County Website
State
Founded
February 4, 1864
County Seat

Nez Perce County, Idaho Population Growth

Population by Race

Race Population Percentage
White36,02089.70%
American Indian and Alaska Native2,4496.10%
Two or More Races1,0772.68%
Asian3200.80%
Some Other Race1440.36%
Black or African American1040.26%
Native Hawaiian and Other Pacific Islander410.10%

Nez Perce County, Idaho Population Pyramid 2020

Nez Perce County, Idaho Median Age

40.9


Total

39.3


Male

42.5


Female

Nez Perce County, Idaho Adults

There are 31,455 adults, (7,788 of whom are seniors) in Nez Perce County, Idaho.

Nez Perce County, Idaho Age Dependency

69.7

Age Dependency Ratio

32.9

Old Age Dependency Ratio

36.8

Child Dependency Ratio

Nez Perce County, Idaho Sex Ratio

Female

20,397

50.80%

Male

19,758

49.20%

Nez Perce County, Idaho Households and Families

Nez Perce County, Idaho Renter vs Owner Occupied by Household Type

Nez Perce County, Idaho Household Types

Type Owner Renter
Married88.2%11.8%
All70.5%29.5%
Non Family55.5%44.5%
Female52.8%47.2%
Male47.6%52.4%

70.5%

Rate of Home Ownership

Type Count Average Size Owned
All16,3022.470.5
Married7,8802.9488.2
Non Family5,6451.2355.5
Female1,8193.2352.8
Male9583.2947.6

2.89

Average Family Size

2.4

Average Household Size

7.1%

Unmarried (Opposite Sex)

0.4%

Unmarried (Same Sex)

Nez Perce County, Idaho Education

Education Attained Count Percentage
Less Than 9th Grade4691.68%
9th to 12th Grade1,6846.05%
High School Graduate9,16132.89%
Some College7,64227.43%
Associates Degree2,80710.08%
Bachelors Degree4,50016.16%
Graduate Degree1,5925.72%

Nez Perce County, Idaho Educational Attainment by Race

Name Total High School Bachelors
White25,12223,2095,616
Native American1,3551,300218
Hispanic73460093
Multiple Races33232065
Asian26925099
Other Race1115810
Black80573
Islander2929

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

The highest rate of bachelors degrees is among asian people with a rate of 36.80%.

Name Average Male Female
Overall$36,127$44,278$28,323
Less Than High School$24,891$37,570$13,976
High School Grad$29,869$36,848$21,268
Some College$35,676$48,281$27,801
Bachelors Degree$45,587$52,395$40,564
Graduate Degree$61,310$66,542$52,574

$36,127

Average Earnings

$44,278

Average Male

$28,323

Average Female

Nez Perce County, Idaho Language

Nez Perce County, Idaho Language by Age

Nez Perce County, Idaho Language

95.50% of Nez Perce County, Idaho residents speak only English, while 4.50% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.62% of the population.

Nez Perce County, Idaho Poverty

Nez Perce County, Idaho Poverty by Race

Name Total In Poverty Poverty Rate
White34,0054,17812.29%
Native2,37567828.55%
Multiple1,04543141.24%
Hispanic1,47034423.40%
Asian31112439.87%
Other1424128.87%
Black993737.37%

14.57%

Overall Poverty Rate

13.45%

Male Poverty Rate

15.66%

Female Poverty Rate

Poverty in Nez Perce County, Idaho

The race most likely to be in poverty in Nez Perce County, Idaho is Multiple, with 41.24% below the poverty level.

The race least likely to be in poverty in Nez Perce County, Idaho is White, with 12.29% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.98%. Among those working part-time, it was 20.59%, and for those that did not work, the poverty rate was 19.24%.

Name Poverty
Less Than High School27.87%
High School13.87%
Some College10.75%
Bachelors or Greater4.09%
Name Poverty
Female Unemployed49.03%
Male Unemployed24.25%
Female Employed8.37%
Male Employed7.46%

Nez Perce County, Idaho Income

Nez Perce County, Idaho Income by Household Type

Name Median Mean
Households$54,174$66,552
Families$68,567$79,024
Married Families$74,977$89,183
Non Families$31,289$39,427

Nez Perce County, Idaho Marital Status

Nez Perce County, Idaho Marital Status

Marriage Rates

51.2%

Overall Marriage Rate

53.1%

Male Marriage Rate

49.4%

Female Marriage Rate

Nez Perce County, Idaho Married by Age and Sex

Nez Perce County, Idaho Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Nez Perce County, Idaho Marital Status by Race

Nez Perce County, Idaho Veterans

3,059

Number of Veterans

2,901

Male Veterans

158

Female Veterans

War Veterans
Vietnam1,048
First Gulf War726
Second Gulf War334
Korea288
World War II117
Age Group Veterans
65 to 74840
75+735
35 to 54698
55 to 64578
18 to 34208
Name Veterans % of Total
White2,8459.88%
Indian1327.94%
Hispanic636.33%
2 or More479.87%
Black3543.75%

$Nez Perce County, Idaho Veterans by Education

5.40%

Veteran Poverty Rate

32.72%

Veteran Disability Rate

Nez Perce County, Idaho Employment Status

61.1%

Labor Force Participation

58.3%

Employment Rate

4.7%

Unemployment Rate

Nez Perce County, Idaho Place of Birth

Origin of Non-Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

53.35%

Born in Idaho

98.46%

Native Born

1.54%

Foreign Born

0.58%

Non Citizen

Place of Birth

98.46% of Nez Perce County, Idaho residents were born in the United States, with 53.35% having been born in Idaho. 0.58% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

  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