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Treasure Idaho

Southwest Idaho

Nampa, Idaho

Canyon County117,350 people

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  • 117,350Population

About Nampa

Nampa is a city in Canyon County. About 117,350 people lived here in 2024, by Census estimate. It sits at about 2,500 feet, 17 miles west of Boise in a straight line.

Places listed for this area include the Deer Flat National Wildlife Refuge and Lake Lowell.

Moving to Nampa

Public schools in Nampa

All 36

District, enrollment, and students per teacher from the federal 2024-25 directory. No ratings.

Services for Nampa

All services

DMV counters are the county offices. A gas utility appears only when its public list names Nampa.

  • Intermountain Gas · natural gas, on the company's town list. A main is not guaranteed at every address.

Crime rate

353violent crimes per 100,000 people

Busier

Nampa has the 5th highest rate of the 21 Idaho cities that reported a 2024 figure to the FBI.

LowerHigher (Garden City, 656)

Source: FBI Uniform Crime Reporting, 2024. Cities that did not publish a rate are left out.

Allergy ratings in Nampa

What a typical year looks like: Low, Moderate or High for each pollen season, plus wildfire smoke. Typical, general guidance. It is not medical advice. Pollen and smoke change with the weather every year, and what bothers you depends on what you are allergic to. See an allergist for testing.

  • Spring trees

    March to June

    Moderate

    Rating: Moderate, on a scale of Low, Moderate, High, Very High. Peaks in April
  • Early-summer grass

    Late May to July

    High

    Rating: High, on a scale of Low, Moderate, High, Very High. Late May to early July, highest the first two weeks of June
  • Fall weeds and sagebrush

    August to October

    High

    Rating: High, on a scale of Low, Moderate, High, Very High. Weeds from mid-August, sagebrush heaviest mid-September to mid-October
  • Wildfire smoke

    Mostly July to September

    Moderate

    Rating: Moderate, on a scale of Low, Moderate, High. 6.4 days a year with air quality over 100. Worst year 15 (2024).

Counted nearby. Pollen ratings come from the Boise station in the Treasure Valley, 19 miles away.

How these ratings are worked out

Pollen is rated on the National Allergy Bureau bands for the grains of pollen in a cubic meter of air. Trees: Low under 15, Moderate 15 to 89, High 90 to 1,499. Weeds: Low under 10, Moderate 10 to 49, High 50 to 499. Grass: Low under 5, Moderate 5 to 19, High 20 to 199. The band is the one reached on the busiest quarter of counted days. A rating is typical, not a forecast: one wet or windy year can move it.

Spring trees, Moderate. Boise NAB station, 62 counted days in 2017 to 2021: on the busiest quarter of days the tree count was 74 grains per cubic meter or more, which the NAB bands call Moderate. On the busiest tenth of days it was 104 or more. That is a short record, so treat it as a rough guide. The Allergy Group's own Boise counts agree: 25 to 30 tree pollen on a daily sample starts mild to moderate symptoms, and cottonwood and juniper reach high counts in April in dry springs.

Early-summer grass, High. The Allergy Group (Boise) reports grass counts over 100 on its 24-hour sampler in early June, and 30 is enough to bother people who react to grass. NAB calls 20 to 199 High. The NAB grass bands: Low under 5, Moderate 5 to 19, High 20 to 199, Very High 200 or more grains per cubic meter.

Fall weeds and sagebrush, High. Boise NAB station, 37 counted days in 2017 to 2019: on the busiest quarter of days the weed count was 54 grains per cubic meter or more, which the NAB bands call High. On the busiest tenth of days it was 73 or more. That is a short record, so treat it as a rough guide. The Allergy Group's own Boise counts agree: chenopod (tumbleweed, kochia, Russian thistle) peaks at 30 to 60 in late summer, and sagebrush runs 400 to 500 on a good day from mid-September to mid-October.

Wildfire smoke, Moderate. The average number of days a year the EPA's air quality index passed 100 ("unhealthy for sensitive groups" or worse), 2021-2025. Under 3 days is Low, 3 to 9 Moderate, 10 or more High. That grouping is ours, not the EPA's. Canyon County has its own EPA air monitor. The count includes any cause, but across Idaho's monitors 86% of those days fell in July to September and 94% were fine particles (PM2.5), which is what wildfire smoke is made of (570 county-days, 2021-2025).

Year to year. The Asthma and Allergy Foundation of America ranked Boise 95th of 100 U.S. metros for pollen in its 2025 report and 1st in its 2026 report, after a wet winter and a long grass season. Expect a typical rating to miss some years.

Not rated. Mold: no published mold spore counts for Idaho towns are in the data used, so there is no mold rating. House dust, pets and food allergies are outside this rating.

Sources

Today

Pollen data through 2003-2024, smoke data 2021-2025. Checked 2026-10-03.

Map of Nampa

Parks, new home communities, homes for sale and stays listed in town. Select a pin to open it.

  • Nampa
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Parks in Nampa

33 named parks on OpenStreetMap.

  • Bonneville Park
  • City Acres Park
  • Depot Park
  • East Side Park
  • Fall River Park
  • Hunter Park
  • Indian Creek Park
  • Kings Road Park
  • Kurtz Park
  • Lake Lowell Park
  • Lakeview Park
  • LDS Park
  • Liberty Park
  • Lions Park
  • Lloyd Square Park
  • Maple Grove Park
  • Maple Wood Park
  • Mary Ellen Meadows
  • Midway Park
  • NNU Park
  • Optimist Park
  • Orah Brandt Park
  • Osborne Park
  • Rodeo Park
Show all 33 parks
  • Sister Catherine Fitness Park
  • Skyview Park
  • South Fork Park
  • Stampede Park
  • Starr Park
  • Sunset Oaks Park
  • West Park
  • West Roosevelt Park
  • Wilson Creek Park

Parks, trails and things to do

All of Idaho

Places in and around Nampa, nearest first: everything tied to Nampa plus anything within 15 miles of town.

Things to do (nearest 18 of 23)

Hot springs

Caves

Lakes

Museums

Historic sites

Attractions

Parks (nearest 12 of 161)

Trails (nearest 12 of 20)

Distances are straight-line miles. From state and federal agency pages, the USGS place names list and OpenStreetMap contributors. Checked October 2, 2026. Check the official page for hours, fees and closures before you go.

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Deals in Nampa

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Moving checklist: setting up a home in Nampa

Shop room by room for the new place. Discounts show only when a store has a real sale.

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Jobs in Nampa

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Latest news in Nampa

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Homes for sale in Nampa

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Stays in Nampa

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Nampa, Idaho FAQ

Where is Nampa, Idaho?

Nampa is in Canyon County, Idaho. Nearby towns include Kuna (7.9 mi), Meridian (9.9 mi), Caldwell (11 mi).

What is the population of Nampa, Idaho?

Nampa has a population of about 117,350 (U.S. Census).

Are there new home communities in Nampa?

Yes. Treasure Idaho lists 54 new home communities in Nampa.

Are there jobs in Nampa, Idaho?

There are 233 open jobs listed in Nampa on Treasure Idaho, from 49 local employers.

What schools are in Nampa, Idaho?

Nampa has 36 operating public schools in Vallivue School District and Nampa School District, including Birch Elementary School, Central Elementary, Columbia High School, Desert Springs Elementary School.

Is Nampa, Idaho safe?

Nampa's violent crime rate is 353 per 100,000 residents, ranking 5 of 21 Idaho cities reported (Busier).

What parks are in Nampa, Idaho?

Nampa has 33 parks, including Bonneville Park, City Acres Park, Depot Park, East Side Park.

Moving guide

Moving to Idaho

A short guide from Treasure Idaho: regions, seasons, jobs, new-home communities, and the questions worth asking before you pick a town. Download it, then poke around the cities and the map.

Then look through the cities and the map.