Nampa Population

1890–2026

124.43K

2026 projection

22.7% since 2020 (increase)

020K40K60K80K100K120K140K1900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Nampa. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026124,426+4,0423.36%
2025120,384+2,8072.39%
2024117,577+2,7342.38%
2023114,843+3,6903.32%
2022111,153+4,5644.28%
2021106,589+5,1835.11%
2020101,406+1,9041.91%
201999,502+3,1153.23%
201896,387+2,5832.75%
201793,804+2,5912.84%

Showing 10 of 29 years.

Nampa Demographics

33.9median age

Median age

Female35 yrs
Male33.2 yrs

Adults

82,528
16,012 seniors · 19%66,516 other adults

Sex

Female 50.4% · 55,634Male 49.6% · 54,685

Population by age

MaleFemale85+ years, male: 64285+ years, female: 91480–84 years, male: 96680–84 years, female: 1,05275–79 years, male: 1,30775–79 years, female: 1,74670–74 years, male: 2,05470–74 years, female: 2,65665–69 years, male: 2,18765–69 years, female: 2,48860–64 years, male: 2,84360–64 years, female: 3,01855–59 years, male: 2,27455–59 years, female: 2,59650–54 years, male: 2,88450–54 years, female: 3,13345–49 years, male: 3,27645–49 years, female: 2,69440–44 years, male: 3,54540–44 years, female: 4,01835–39 years, male: 3,46235–39 years, female: 3,48230–34 years, male: 4,84230–34 years, female: 4,17025–29 years, male: 4,40225–29 years, female: 4,76620–24 years, male: 4,56320–24 years, female: 3,87815–19 years, male: 3,64115–19 years, female: 3,80610–14 years, male: 3,54510–14 years, female: 3,6725–9 years, male: 4,2995–9 years, female: 3,8060–4 years, male: 3,9530–4 years, female: 3,73985+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–42K2K4K4K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 1,103 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Nampa Income

$74,279median household income

Median household income

$74,279

Half of households earn more, half earn less

Median earnings

$42,867

Typical yearly pay for a worker 25 or older.

Poverty rate

11.5%

About 1 in 9 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Nampa Marital Status

51% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married51%51%51%
Never married31%35%27%
Divorced13%12%15%
Widowed4%1%6%
Separated1%<1%1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year