Nez Perce County, Idaho Population 2021

Nez Perce County, Idaho's estimated population is 40,712 with a growth rate of 0.37% in the past year according to the most recent United States census data. Nez Perce County, Idaho is the 10th largest county in Idaho. The 2010 Population was 39,315 and has seen a growth of 3.55% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202140,7121520.37%
202040,5601520.38%
201940,4081520.38%
201840,256-33-0.08%
201740,2891530.38%
201640,1361410.35%
201539,9951540.39%
201439,841430.11%
201339,7982940.74%
201239,504660.17%
201139,4381230.31%
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%
2021 Growth Rate
0.37%
County Website
State
Founded
February 4, 1864
County Seat
2010 Population
39,315
Growth Since 2010
3.55%
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Nez Perce County, Idaho Population Growth

Population by Race

Race Population Percentage
White36,03789.61%
American Indian and Alaska Native2,4736.15%
Two or More Races1,0792.68%
Asian3320.83%
Some Other Race1480.37%
Black or African American1430.36%
Native Hawaiian and Other Pacific Islander50.01%
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Nez Perce County, Idaho Population by Race

Nez Perce County, Idaho Population Pyramid $2021

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Nez Perce County, Idaho Median Age

40.8


Total

39.8


Male

41.8


Female

Nez Perce County, Idaho Adults

There are 31,677 adults, (7,880 of whom are seniors) in Nez Perce County, Idaho.

Nez Perce County, Idaho Age Dependency

69

Age Dependency Ratio

33.1

Old Age Dependency Ratio

35.9

Child Dependency Ratio

Nez Perce County, Idaho Sex Ratio

Female

20,383

50.68%

Male

19,834

49.32%

Nez Perce County, Idaho Population by Age

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

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Nez Perce County, Idaho Household Types

Type Owner Renter
Married89.1%10.9%
All72.8%27.2%
Male57.4%42.6%
Non Family57%43%
Female55.1%44.9%

72.8%

Rate of Home Ownership

Nez Perce County, Idaho Households and Families

Type Count Average Size Owned
All16,3842.472.8
Married8,1662.9389.1
Non Family5,6501.2657
Female1,6413.0655.1
Male9273.3857.4

2.88

Average Family Size

2.4

Average Household Size

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Nez Perce County, Idaho Households by Type

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Education Attained Count Percentage
Less Than 9th Grade3321.19%
9th to 12th Grade1,8966.77%
High School Graduate9,00132.13%
Some College7,64527.29%
Associates Degree2,7219.71%
Bachelors Degree4,67916.70%
Graduate Degree1,7406.21%
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Nez Perce County, Idaho Educational Attainment by Sex (over 25)

Nez Perce County, Idaho Educational Attainment by Race

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Race Total High School Bachelors
White25,22523,3585,856
Native American1,3681,300199
Hispanic763543127
2+ Races329314111
Asian290273138
Other Race1167117
Black103606
Islander55

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 47.59%.

Nez Perce County, Idaho Educational Attainment by Race

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Name Average Male Female
Overall$39,192$47,384$30,907
Less Than 9th Grade$26,867$36,583$18,429
High School Graduate$31,562$41,160$23,574
Some College$39,635$51,083$30,094
Bachelors Degree$45,885$57,163$39,210
Graduate Degree$59,517$68,988$55,463

$39,192

Average Earnings

$47,384

Average Male

$30,907

Average Female

Nez Perce County, Idaho Earnings by Educational Attainment

Nez Perce County, Idaho Language by Age

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Nez Perce County, Idaho Language

95.42% of Nez Perce County, Idaho residents speak only English, while 4.58% speak other languages. The non-English language spoken by the largest group is Other languages, which is spoken by 1.52% of the population.

Nez Perce County, Idaho Language

Nez Perce County, Idaho Poverty by Race

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Name Total In Poverty Poverty Rate
White34,0783,84011.27%
Native2,40670029.09%
Hispanic1,47439927.07%
Multiple1,05028627.24%
Asian33112838.67%
Other1481711.49%

13.33%

Overall Poverty Rate

12.96%

Male Poverty Rate

13.68%

Female Poverty Rate

Poverty in Nez Perce County, Idaho

The race most likely to be in poverty in Nez Perce County, Idaho is Asian, with 38.67% below the poverty level.

The race least likely to be in poverty in Nez Perce County, Idaho is White, with 11.27% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.64%. Among those working part-time, it was 19.62%, and for those that did not work, the poverty rate was 18.89%.

Nez Perce County, Idaho Poverty

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Name Poverty
Less Than 9th Grade24.01%
High School13.74%
Some College10.20%
Bachelors or Greater4.31%

Nez Perce County, Idaho Poverty Rate by Education

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Rate Poverty
Female Unemployed40.50%
Male Unemployed22.95%
Female Employed7.52%
Male Employed7.30%

Nez Perce County, Idaho Poverty Rate by Employment Status and Sex

Nez Perce County, Idaho Income by Household Type

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Name Median Mean
Households$58,107$71,465
Families$73,784$86,587
Married Families$82,139$96,917
Non Families$31,725$39,258
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Income by Household Type

Nez Perce County, Idaho Marital Status

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Marriage Rates

52.7%

Overall Marriage Rate

53.9%

Male Marriage Rate

51.5%

Female Marriage Rate

Nez Perce County, Idaho Married by Age and Sex

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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 35-44.

Nez Perce County, Idaho Marital Status by Race

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Nez Perce County, Idaho Marital Status

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3,030

Number of Veterans

2,829

Male Veterans

201

Female Veterans

War Veterans
Vietnam1,079
First Gulf War722
Second Gulf War419
Korea233
World War II70

Nez Perce County, Idaho Veterans by War

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Age Group Veterans
65 to 74813
35 to 54729
75+717
55 to 64597
18 to 34174

Nez Perce County, Idaho Veterans by Age

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Name Veterans % of Total
White2,7779.63%
Native American1337.75%
Black6244.29%
Hispanic575.59%
2+ Races315.71%
Other Race2720.30%

Nez Perce County, Idaho Veterans by Race

Nez Perce County, Idaho Veterans by Education

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4.81%

Veteran Poverty Rate

31.97%

Veteran Disability Rate

Nez Perce County, Idaho Veterans by Education

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61.3%

Labor Force Participation

58.9%

Employment Rate

3.8%

Unemployment Rate

Nez Perce County, Idaho Employment by Age

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Nez Perce County, Idaho Employment by Race

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Nez Perce County, Idaho Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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53.46%

Born in Nez Perce County, Idaho

98.09%

Native Born

1.91%

Foreign Born

0.41%

Non Citizen

1.50%

Naturalized

Place of Birth

98.09% of Nez Perce County, Idaho residents were born in the United States, with 53.46% having been born in Idaho. 0.41% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Nez Perce County, Idaho Place of Birth

  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

Sources