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COUNTY · 2000 CENSUS

Blaine County

Idaho · 18,991 residents · 2,637.738 sq mi
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The short version

Blaine County is wealthier than most US places, with a median household income of $50,496. Population has grown 40% since 1990. 43% of adults hold a bachelor's degree or higher, well above the national rate of 24%. Median home value has more than doubled since 1990, reaching $266,500. Households here earn about 34% more than the Idaho median.

At a glance
Wealthier
above the US median
US median: $42,589
Older
median age 37.4
US median: 35.2
More educated
43% hold a bachelor's degree
US average: 24%
Less affordable
home values up 69%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

18,991
+40%since 1990
from 13,552 in 1990
1990 – 2025
7 / sq mi
+40%since 1990
from 5 / sq mi in 1990
US average: 242
37.4
+12%since 1990
from 33.4 in 1990
US average: 35.2
Population, 19902024
12K16K19K23K26K1990201020202024Blaine County
202425K
1990201020202024
Section 02

Income & economy

$50,496
+23%inflation adjusted, since 1990
from $31,199 in 1990
US average: $42,589
1990 – 2024
$31,346
+57%since 1990
from $19,979 in 1990
US average: $21,522
7.8%
+0.1 ptssince 1990
from 7.7% in 1990
US average: 12.4%
Section 03

Housing

$266,500
+69%inflation adjusted, since 1990
from $119,800 in 1990
US average: $120,530
1990 – 2024
$740
+18%inflation adjusted, since 1990
from $474 in 1990
US average: $602
68.9%
+4.7 ptssince 1990
from 64.2% in 1990
31.1% rent
5.3
+37%since 1990
from 3.8 in 1990
1990 – 2024
RELATED:See current rent listings in Blaine County on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic97.6%(13,233)
Black0.1%(8)
Hispanic / Latino2.6%(347)
Asian1%(140)
Diversity Score11.6%(1,570)
2000
White, non-Hispanic87%(16,531)
Black0.1%(12)
Hispanic / Latino10.7%(2,030)
Asian0.6%(118)
Diversity Score25.7%(4,889)
26
+122%since 1990
from 12 in 1990
1990 – 2024
Section 05

Education

43.1%
+10.2 ptssince 1990
from 33.0% in 1990
US average: 24.4%
High school or higher
90.2%
−1.5 ptssince 1990
from 91.7% in 1990
US average: 80.3%
12.9%
+4.0 ptssince 1990
from 8.9% in 1990
US average: 8.8%
Section 06

Commute & transportation

12.9 min
−34%since 1990
from 19.6 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.

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Frequently asked

How many people live in Blaine County, Idaho?

Blaine County, Idaho has about 18,991 residents according to the 2000 Census.

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

The typical household in Blaine County, Idaho earns about $50,496 a year. Half of households make more than that, and half make less.

Is Blaine County, Idaho expensive?

In Blaine County, Idaho, the median home is worth about $266,500, and the typical rent is about $740 a month.

How educated are people in Blaine County, Idaho?

About 43.1% of adults age 25 and over in Blaine County, Idaho hold a bachelor's degree or higher.

What is the poverty rate in Blaine County, Idaho?

About 7.8% of people in Blaine County, Idaho live below the federal poverty line.

Has Blaine County, Idaho grown since 1990?

Yes, Blaine County, Idaho has grown since 1990. The population has added about 5,439 residents, a change of about 40 percent over that period.

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

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