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CITY · 1990 CENSUS

Nampa

Idaho · 28,365 residents · 34.8 sq mi
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The short version

Nampa is a city of 28,365 people in Idaho. The population has fallen 45% since 2000. The typical home is worth $45,300. About 11% of adults have finished a four-year degree. That trails the Idaho median by roughly 22%. Median household income is $19,696, under the $30,130 national median.

At a glance
Lower income
below the US median
US median: $30,130
Younger
median age 30.4
US median: 33.0
Less educated
11% hold a bachelor's degree
US average: 20%
More affordable
home values down 34%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

28,365
−45%vs 2000
vs 51,867 in 2000
1990 – 2025
30.4
+7%vs 2000
vs 28.5 in 2000
US average: 33.0
Land area
34.8 sq mi
Population, 19902024
20K45K69K94K119K19902000201020202024Nampa
2024110K
1990201020202024
Age distribution, 1990
Under 59%(2,545)
US avg: 7.3%
5 to 98.6%(2,440)
US avg: 7.3%
10 to 147.4%(2,085)
US avg: 6.9%
15 to 197.4%(2,092)
US avg: 7.1%
20 to 248.8%(2,510)
US avg: 7.5%
25 to 3416.2%(4,605)
US avg: 17.5%
35 to 4411.3%(3,204)
US avg: 15.1%
45 to 548.4%(2,380)
US avg: 10.2%
55 to 646.6%(1,873)
US avg: 8.5%
65 to 748.3%(2,344)
US avg: 7.3%
75 to 845.7%(1,604)
US avg: 4%
85 and over2.4%(683)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$19,696
−25%inflation adjusted, since 2000
vs $34,758 in 2000
US average: $30,130
1990 – 2024
$8,810
−39%vs 2000
vs $14,491 in 2000
US average: $14,340
18.5%
+6.2 ptsvs 2000
vs 12.4% in 2000
US average: 13.2%
Section 03

Housing

$45,300
−34%inflation adjusted, since 2000
vs $89,900 in 2000
US average: $93,722
1990 – 2024
$308
−23%inflation adjusted, since 2000
vs $528 in 2000
US average: $450
60.6%
−8.9 ptsvs 2000
vs 69.5% in 2000
39.4% rent
Section 04

Race & ethnicity

2000
White, non-Hispanic78.2%(40,555)
Black0.3%(173)
Hispanic / Latino17.9%(9,282)
Asian0.9%(455)
Other0%
1990
White, non-Hispanic89.3%(25,335)
Black0.4%(110)
Hispanic / Latino12.9%(3,663)
Asian1.4%(385)
Other8.9%(2,535)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican21.2%(23,356)
Central American1.2%(1,378)
South American1.1%(1,225)
Puerto Rican0.7%(794)
Colombian0.6%(701)
Salvadoran0.5%(589)
Guatemalan0.5%(574)
Spaniard0.4%(427)
Venezuelan0.3%(280)
Honduran0.2%(169)
Peruvian0.1%(154)
Cuban0.1%(76)
+ 6 more hispanic origin groups with data
Asian origin
Filipino0.1%(158)
Vietnamese0.1%(146)
Chinese0.1%(96)
Korean0.1%(58)
Japanese0%(54)
Thai0%(54)
Laotian0%(40)
Cambodian0%(28)
Taiwanese0%(17)
Pacific Islander origin
Samoan0%(45)
Tongan0%(35)
Ancestry
German15.6%(17,161)
English15.2%(16,735)
Irish8.5%(9,364)
American4.7%(5,215)
Scottish2.8%(3,143)
Norwegian2.8%(3,039)
Italian2.5%(2,721)
French2.4%(2,645)
Swedish1.5%(1,602)
Ukrainian1.1%(1,239)
Dutch1.1%(1,197)
Danish1%(1,076)
+ 36 more ancestry groups with data
Polish0.9%(956)
Welsh0.6%(671)
Scotch-Irish0.6%(669)
Swiss0.5%(562)
Portuguese0.4%(494)
Russian0.4%(490)
Greek0.4%(388)
Hungarian0.3%(354)
Nigerian0.2%(245)
British0.2%(230)
Canadian0.2%(198)
Czech0.2%(195)
Brazilian0.1%(151)
Finnish0.1%(141)
Arab0.1%(104)
West Indian0.1%(91)
Croatian0.1%(81)
Armenian0.1%(76)
Austrian0.1%(64)
Belgian0%(53)
Haitian0%(46)
Lebanese0%(34)
Jamaican0%(28)
Serbian0%(26)
Slovak0%(24)
Romanian0%(23)
Iranian0%(17)
Israeli0%(15)
Moroccan0%(13)
Slovene0%(13)
Section 05

Education

10.7%
−5.3 ptsvs 2000
vs 16.0% in 2000
US average: 20.3%
High school or higher
70.4%
−6.6 ptsvs 2000
vs 77.0% in 2000
US average: 75.2%
3.0%
−1.6 ptsvs 2000
vs 4.5% in 2000
US average: 7.1%
Section 06

Commute & transportation

17.8 min
+33%vs 2000
vs 13.4 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)
Men 15+
Never married34.7%(14,886)
Married52.2%(22,404)
Widowed1.2%(503)
Divorced11.9%(5,095)
Women 15+
Never married27.3%(12,148)
Married52%(23,075)
Widowed5.8%(2,561)
Divorced14.9%(6,633)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

10.6%
−9.3 ptssince 2013
from 19.9% in 2013
US average: 8.4%
52.7%
+5.1 ptssince 2020
from 47.6% in 2020
US average: 54.8%
Direct-purchase
11.7%
−2.2 ptssince 2020
from 13.9% in 2020
US average: 13.8%
16.0%
−0.6 ptssince 2020
from 16.6% in 2020
US average: 18.4%
21.4%
−2.6 ptssince 2020
from 24.0% in 2020
US average: 20.9%
VA health care
2.5%
−0.4 ptssince 2020
from 2.9% in 2020
US average: 2.2%
Any private
65.1%
+3.3 ptssince 2020
from 61.8% in 2020
US average: 67.1%
Any public
35.5%
−2.5 ptssince 2020
from 38.0% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)26.8%(1,785)
US avg: 26.4%
Gulf War (1990s)23%(1,530)
US avg: 24.3%
Vietnam era32.7%(2,177)
US avg: 33.1%
Korean War2.7%(181)
US avg: 4.5%
World War II0.8%(55)
US avg: 1%

Share of the 6,652 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Nampa, Idaho?

Nampa, Idaho has about 28,365 residents according to the 1990 Census.

What is the median household income in Nampa, Idaho?

The typical household in Nampa, Idaho earns about $19,696 a year. Half of households make more than that, and half make less.

Is Nampa, Idaho expensive?

In Nampa, Idaho, the median home is worth about $45,300, and the typical rent is about $308 a month.

How educated are people in Nampa, Idaho?

About 10.7% of adults age 25 and over in Nampa, Idaho hold a bachelor's degree or higher.

What is the poverty rate in Nampa, Idaho?

About 18.5% of people in Nampa, Idaho live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →