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COUNTY · 2000 CENSUS

Adams County

Idaho · 3,476 residents · 1,363 sq mi
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The short version

Adams County is a county of 3,476 people in Idaho. The median age is 44.4, about 9 years above the US median. 79% of homes are owner-occupied. About 15% of adults have finished a four-year degree. Households here earn about 24% less than in Idaho as a whole. Median household income is $28,423, under the $42,589 national median.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 44.4
US median: 35.2
Less educated
15% hold a bachelor's degree
US average: 24%
Less affordable
home values up 72%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

3,476
+7%since 1990
from 3,254 in 1990
1990 – 2025
44.4
+23%since 1990
from 36.1 in 1990
US average: 35.2
Land area
1,363 sq mi
Population, 19902024
3K4K4K4K5K19902000201020202024Adams County
20245K
1990201020202024
Age distribution, 2000
Under 54%(140)
US avg: 6.8%
5 to 96.2%(216)
US avg: 7.3%
10 to 148.8%(305)
US avg: 7.3%
15 to 197.1%(247)
US avg: 7.2%
20 to 242.4%(84)
US avg: 6.7%
25 to 347.1%(246)
US avg: 14.2%
35 to 4415.5%(539)
US avg: 16%
45 to 5417.5%(609)
US avg: 13.4%
55 to 6415.2%(529)
US avg: 8.6%
65 to 749.9%(345)
US avg: 6.5%
75 to 844.6%(159)
US avg: 4.4%
85 and over1.6%(57)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$28,423
−4%inflation adjusted, since 1990
from $22,455 in 1990
US average: $42,589
1990 – 2024
$14,908
+9%since 1990
from $13,732 in 1990
US average: $21,522
15.1%
+4.2 ptssince 1990
from 10.9% in 1990
US average: 12.4%
Section 03

Housing

$99,500
+72%inflation adjusted, since 1990
from $43,900 in 1990
US average: $120,530
1990 – 2024
$395
+18%inflation adjusted, since 1990
from $254 in 1990
US average: $602
79.1%
+3.8 ptssince 1990
from 75.3% in 1990
20.9% rent
Section 04

Race & ethnicity

1990
White, non-Hispanic98%(3,188)
Black0%(0)
Hispanic / Latino1.1%(35)
Asian0%(0)
2000
White, non-Hispanic95.5%(3,318)
Black0.1%(2)
Hispanic / Latino1.6%(54)
Asian0.1%(5)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

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

Hispanic origin
Mexican2.7%(129)
Guatemalan0.4%(19)
Cuban0.1%(5)
Pacific Islander origin
Tongan0.1%(6)
Ancestry
German18.6%(881)
English18.2%(865)
Irish13.9%(660)
Norwegian3.9%(187)
American3%(142)
Scottish2.8%(133)
Italian1.8%(85)
Polish1.7%(82)
Swedish1.4%(65)
Dutch1.1%(54)
Danish1.1%(50)
French1.1%(50)
+ 12 more ancestry groups with data
Portuguese0.9%(43)
Scotch-Irish0.7%(35)
Welsh0.7%(31)
Russian0.4%(19)
Swiss0.3%(16)
Macedonian0.3%(12)
Lithuanian0.2%(11)
Austrian0.2%(10)
Czech0.1%(6)
Finnish0.1%(6)
Slovak0.1%(3)
Section 05

Education

14.9%
+4.1 ptssince 1990
from 10.8% in 1990
US average: 24.4%
High school or higher
80.8%
+5.6 ptssince 1990
from 75.3% in 1990
US average: 80.3%
4.8%
+2.6 ptssince 1990
from 2.2% in 1990
US average: 8.8%
Section 06

Commute & transportation

16.0 min
−48%since 1990
from 30.5 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married16%(227)
Married68.2%(968)
Widowed2.3%(33)
Divorced13.5%(192)
Women 15+
Never married14.1%(198)
Married67.9%(950)
Widowed8.8%(123)
Divorced9.2%(129)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

11.9%
−9.0 ptssince 2013
from 20.9% in 2013
US average: 8.4%
37.6%
−4.4 ptssince 2020
from 42.0% in 2020
US average: 54.8%
Direct-purchase
19.4%
−6.6 ptssince 2020
from 26.0% in 2020
US average: 13.8%
31.7%
−1.0 ptssince 2020
from 32.7% in 2020
US average: 18.4%
13.3%
+2.2 ptssince 2020
from 11.1% in 2020
US average: 20.9%
VA health care
5.4%
−2.5 ptssince 2020
from 7.9% in 2020
US average: 2.2%
Any private
57.0%
−7.9 ptssince 2020
from 64.9% in 2020
US average: 67.1%
Any public
45.5%
+0.5 ptssince 2020
from 45.0% 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)11.7%(36)
US avg: 26.4%
Gulf War (1990s)8.8%(27)
US avg: 24.3%
Vietnam era54.5%(168)
US avg: 33.1%
Korean War1.9%(6)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 308 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 Adams County, Idaho?

Adams County, Idaho has about 3,476 residents according to the 2000 Census.

What is the median household income in Adams County, Idaho?

The typical household in Adams County, Idaho earns about $28,423 a year. Half of households make more than that, and half make less.

Is Adams County, Idaho expensive?

In Adams County, Idaho, the median home is worth about $99,500, and the typical rent is about $395 a month.

How educated are people in Adams County, Idaho?

About 14.9% of adults age 25 and over in Adams County, Idaho hold a bachelor's degree or higher.

What is the poverty rate in Adams County, Idaho?

About 15.1% of people in Adams County, Idaho live below the federal poverty line.

Has Adams County, Idaho grown since 1990?

Yes, Adams County, Idaho has grown since 1990. The population has added about 222 residents, a change of about 7 percent over that period.

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

How we source and harmonize this data →