Nampa, Idaho Population 2021

105,405
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Nampa is a city located in Canyon County Idaho. With a 2020 population of 105,405, it is the 3rd largest city in Idaho (after Boise and Meridian) and the 295th largest city in the United States . Nampa is currently growing at a rate of 2.99% annually and its population has increased by 29.24% since the most recent census, which recorded a population of 81,557 in 2010. Nampa reached it's highest population of 105,405 in 2021. Spanning over 33 miles, Nampa has a population density of 3,212 people per square mile.

The average household income in Nampa is $57,099 with a poverty rate of 14.97%. The median rental costs in recent years comes to $925 per month, and the median house value is $167,200. The median age in Nampa is 32.4 years, 31 years for males, and 33.7 years for females.

Nampa Demographics

According to the most recent ACS, the racial composition of Nampa was:

  • White: 82.68%
  • Other race: 10.11%
  • Two or more races: 4.11%
  • Native American: 1.05%
  • Asian: 0.94%
  • Black or African American: 0.69%
  • Native Hawaiian or Pacific Islander: 0.41%
The current population of Nampa, Idaho is 105,405 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 96,213.The last official US Census in 2010 recorded the population at 81,557.

Nampa, Idaho Population 2021

Population by Race

Race Population Percentage
White77,67982.68%
Some Other Race9,50210.11%
Two or More Races3,8594.11%
American Indian and Alaska Native9891.05%
Asian8830.94%
Black or African American6510.69%
Native Hawaiian and Other Pacific Islander3890.41%
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Nampa Population by Race

Nampa Population Pyramid $2021

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Nampa Median Age

32.4


Total

31


Male

33.7


Female

Nampa Adults

There are 67,565 adults, (12,171 of whom are seniors) in Nampa.

Nampa Age Dependency

69.6

Age Dependency Ratio

22

Old Age Dependency Ratio

47.6

Child Dependency Ratio

Nampa Sex Ratio

Female

46,885

49.90%

Male

47,067

50.10%

Nampa Population by Age

Nampa Renter vs Owner Occupied by Household Type

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Nampa Household Types

Type Owner Renter
Married76.3%23.7%
All64.1%35.9%
Non Family55.2%44.8%
Male54.2%45.8%
Female45.2%54.8%

64.1%

Rate of Home Ownership

Nampa Households and Families

Type Count Average Size Owned
All32,5652.8364.1
Married15,7413.5676.3
Non Family11,1091.3355.2
Female4,0413.845.2
Male1,6743.5154.2

3.49

Average Family Size

2.83

Average Household Size

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Nampa Households by Type

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Education Attained Count Percentage
Less Than 9th Grade3,2545.72%
9th to 12th Grade4,4287.78%
High School Graduate18,42032.37%
Some College15,30026.89%
Associates Degree4,6428.16%
Bachelors Degree7,56513.29%
Graduate Degree3,2935.79%
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Nampa Educational Attainment by Sex (over 25)

Nampa Educational Attainment by Race

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Race Total High School Bachelors
White43,86140,6129,751
Hispanic10,6196,465612
Other Race4,3712,175147
2+ Races1,5231,351182
Asian727551213
Native American473315119
Black291278120
Islander133133

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 black people with a rate of 41.24%.

Nampa Educational Attainment by Race

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Name Average Male Female
Overall$30,795$35,760$25,925
Less Than 9th Grade$22,857$26,784$19,629
High School Graduate$30,772$35,735$22,239
Some College$30,304$35,881$26,051
Bachelors Degree$35,017$47,232$30,619
Graduate Degree$43,638$43,656$43,609

$30,795

Average Earnings

$35,760

Average Male

$25,925

Average Female

Nampa Earnings by Educational Attainment

Nampa Language by Age

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Nampa Language

82.69% of Nampa residents speak only English, while 17.31% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 14.83% of the population.

Nampa Language

Nampa Poverty by Race

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Name Total In Poverty Poverty Rate
White64,4498,29712.87%
Hispanic22,7844,90921.55%
Other9,5022,26023.78%
Multiple3,8283659.54%
Black64416826.09%
Asian8789711.05%
Native978868.79%
Islander353349.63%

14.97%

Overall Poverty Rate

14.46%

Male Poverty Rate

15.47%

Female Poverty Rate

Poverty in Nampa

The race most likely to be in poverty in Nampa is Black, with 26.09% below the poverty level.

The race least likely to be in poverty in Nampa is Native, with 8.79% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.62%. Among those working part-time, it was 21.22%, and for those that did not work, the poverty rate was 21.15%.

Nampa Poverty

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Name Poverty
Less Than 9th Grade22.48%
High School15.39%
Some College10.18%
Bachelors or Greater5.24%

Nampa Poverty Rate by Education

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Rate Poverty
Male Unemployed43.84%
Female Unemployed31.65%
Female Employed10.28%
Male Employed7.76%

Nampa Poverty Rate by Employment Status and Sex

Nampa Income by Household Type

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Name Median Mean
Households$48,846$57,099
Families$55,843$65,437
Married Families$64,797$72,936
Non Families$30,815$36,965
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Income by Household Type

Nampa Marital Status

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Marriage Rates

48.1%

Overall Marriage Rate

48.1%

Male Marriage Rate

48.1%

Female Marriage Rate

Nampa Married by Age and Sex

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Nampa 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.

Nampa Marital Status by Race

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Nampa Marital Status

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5,831

Number of Veterans

5,513

Male Veterans

318

Female Veterans

War Veterans
Vietnam2,213
Second Gulf War1,230
First Gulf War1,201
Korea388
World War II77

Nampa Veterans by War

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Age Group Veterans
65 to 741,663
35 to 541,525
55 to 641,070
75+979
18 to 34594

Nampa Veterans by Age

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Name Veterans % of Total
White5,4069.43%
Hispanic4823.50%
2+ Races1738.23%
Other Race1272.15%
Native American6810.51%
Black429.31%
Asian151.89%

Nampa Veterans by Race

Nampa Veterans by Education

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7.43%

Veteran Poverty Rate

32.44%

Veteran Disability Rate

Nampa Veterans by Education

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64.7%

Labor Force Participation

60.9%

Employment Rate

5.6%

Unemployment Rate

Nampa Employment by Age

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Nampa Employment by Race

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Nampa 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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48.17%

Born in Nampa

92.37%

Native Born

7.63%

Foreign Born

4.74%

Non Citizen

2.89%

Naturalized

Place of Birth

92.37% of Nampa residents were born in the United States, with 48.17% having been born in Idaho. 4.74% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Nampa Place of Birth

Year Population Growth Annual Growth Rate
2021105,4053,0642.99%
2020102,3413,0643.09%
201999,2773,0643.18%
201896,2132,5062.67%
201793,7072,5932.85%
201691,1141,5871.77%
201589,5271,6331.86%
201487,8941,5171.76%
201386,3772,4362.90%
201283,9411,2251.48%
201182,7167180.88%
201081,99830,1314.69%
200051,86723,5026.22%
199028,3653,2531.23%
198025,1124,3441.92%
197020,7681,8710.95%
196018,8972,7121.56%
195016,1854,0362.91%
194012,1493,9434.00%
19308,2065850.74%
19207,6213,4166.13%
19104,2053,80526.52%
19004000.00%

Nampa Population by Year