Nampa, Idaho Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Nampa, Idaho is 106,289 as of the 2023 American Community Survey, making it the 3rd-largest city in Idaho. The median household income is $72,122, the median home value is $332,500, and the median age is 34.1.
The population has grown 43.1% since 2010 (81,998 → 117,350).
106,289
Population
2959
People / sq mi
$72,122
Median Income
$332,500
Median Home Value
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Nampa covers 35.9 sq mi of land at 2959 people per square mile.
About Nampa, ID
Nampa is distinguished by its share of foreign-born residents, 44.8% of the population. With 106,289 residents, Nampa is a city in Idaho. It is the #3-largest of all cities in Idaho nationally.
Median household income is $72,122, below the US median of $78,538. About 7.2% of residents live below the federal poverty level, below the national 12.4%. The typical home is valued at $332,500, with typical rent around $1,340.
Degree attainment is on the lower side for US cities: 23.6% of adults hold a bachelor’s degree, below the national 35.0%. Around 10.6% of workers work from home, below the national 14.0%, and the average commute runs about 24 minutes each way.
The large foreign-born share is a defining thread in Nampa, shaping language, household composition, and the labor force behind the economic figures above.
Nampa city Population History (2010-2024)
The city of Nampa city had a population of 81,998 in 2010 and 117,350 in 2024, a 43.1% growth over 14 years. The peak was 117,350 in 2024. Average annual growth rate: 2.60%.
117,350
Population (2024)
81,998
Population (2010)
117,350
Peak (2024)
2.60%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 81,998 |
| 2011 | 82,716 |
| 2012 | 83,941 |
| 2013 | 86,377 |
| 2014 | 87,894 |
| 2015 | 89,527 |
| 2016 | 91,114 |
| 2017 | 93,707 |
| 2018 | 96,213 |
| 2019 | 99,277 |
| 2020 | 101,430 |
| 2021 | 106,617 |
| 2022 | 111,229 |
| 2023 | 114,825 |
| 2024 | 117,350 |
Race & Ethnicity
| White | 75.4% |
| Black or African American | 1.2% |
| Asian | 0.2% |
| Hispanic or Latino (any race) | 2.6% |
| Two or More Races | 0.3% |
Economy & Income
$72,122
Median Household Income
$30,748
Per Capita Income
7.2%
Poverty Rate
1.8%
Unemployment Rate
Housing
$332,500
Median Home Value
$1,340
Median Rent
71.4%
Owner-Occupied
Education
89.0%
High School+
23.6%
Bachelor's+
Commute
0.2%
Drive Alone
74.0%
Public Transit
10.6%
Work From Home
24.0 min
Avg Commute
Community Profile
44.8%
Foreign Born
83.3%
Non-English at Home
9.2%
Veterans
15.3%
With Disability
89.8%
Health Insurance
97.1%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 20.2% |
| Construction | 10.8% |
| Manufacturing | 10.6% |
| Finance, Insurance & Real Estate | 9.6% |
| Education, Health Care & Social Services | 8.1% |
| Information | 7.0% |
| Retail Trade | 5.6% |
| Arts, Entertainment & Food Services | 5.3% |
| Public Administration | 5.0% |
| Transportation & Warehousing | 1.8% |
| Agriculture & Mining | 1.6% |
Largest cities in Idaho
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City rankings
Frequently Asked Questions
Nampa, Idaho has a population of 106,289 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 3rd-largest city in Idaho.
The median household income in Nampa, Idaho is $72,122, with 7.2% of residents living below the federal poverty level.
The median home value in Nampa, Idaho is $332,500, with median monthly rent at $1,340 and a homeownership rate of 71.4%.
The median age in Nampa, Idaho is 34.1 years. The population is 49.5% male and 50.5% female.
The population has grown 43.1% since 2010 (81,998 → 117,350).
Nampa city, ID Climate
Nampa city, ID has an average annual temperature of 10.5°C (51°F) and receives about 289 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.5°C
Avg Temp
289
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -1° / 29° | 34 mm |
| February | 2° / 36° | 27 mm |
| March | 7° / 44° | 33 mm |
| April | 10° / 50° | 28 mm |
| May | 15° / 58° | 25 mm |
| June | 19° / 66° | 21 mm |
| July | 23° / 73° | 7 mm |
| August | 22° / 72° | 10 mm |
| September | 17° / 62° | 18 mm |
| October | 11° / 51° | 19 mm |
| November | 4° / 39° | 34 mm |
| December | -1° / 30° | 33 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Nampa city, ID
The most comfortable months to visit Nampa city, ID are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 32°C high). The coldest is January (near -6°C low). January is usually the wettest month.
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Statewide data for Idaho
Population, race, income, age, and trends across Idaho
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.