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CITY · 1990 CENSUS

Dayton

Idaho · 366 residents · 6.67 sq mi
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The short version

Dayton is a city of 366 people in Idaho. 94% of homes are owner-occupied. This skews young, with a median age of 24.0. The typical home is worth $41,300. Getting to work takes 34 minutes on average. Poverty is uncommon here, at 5.2% of locals.

At a glance
Lower income
below the US median
US median: $30,130
Younger
median age 24.0
US median: 33.0
Less educated
16% hold a bachelor's degree
US average: 20%
More affordable
home values down 42%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

366
−18%vs 2000
vs 444 in 2000
1990 – 2025
24.0
−10%vs 2000
vs 26.8 in 2000
US average: 33.0
Land area
6.67 sq mi
Population, 19902024
34540847253559819902000201020202024Dayton
2024500
1990201020202024
Age distribution, 1990
Under 513.4%(49)
US avg: 7.3%
5 to 911.7%(43)
US avg: 7.3%
10 to 1413.1%(48)
US avg: 6.9%
15 to 197.9%(29)
US avg: 7.1%
20 to 244.6%(17)
US avg: 7.5%
25 to 3410.9%(40)
US avg: 17.5%
35 to 4411.7%(43)
US avg: 15.1%
45 to 547.7%(28)
US avg: 10.2%
55 to 648.7%(32)
US avg: 8.5%
65 to 744.6%(17)
US avg: 7.3%
75 to 844.9%(18)
US avg: 4%
85 and over0.5%(2)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$24,583
−11%inflation adjusted, since 2000
vs $36,442 in 2000
US average: $30,130
1990 – 2024
$7,210
−38%vs 2000
vs $11,653 in 2000
US average: $14,340
5.2%
−3.6 ptsvs 2000
vs 8.8% in 2000
US average: 13.2%
Section 03

Housing

$41,300
−42%inflation adjusted, since 2000
vs $94,500 in 2000
US average: $93,722
1990 – 2024
93.7%
+4.0 ptsvs 2000
vs 89.7% in 2000
6.3% rent
Section 04

Race & ethnicity

2000
White, non-Hispanic97.1%(431)
Black0.2%(1)
Hispanic / Latino0.9%(4)
Asian0%(0)
Other0%
1990
White, non-Hispanic99.2%(363)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other0.8%(3)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

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

Hispanic origin
Mexican0.4%(2)
Ancestry
English47%(235)
German11.2%(56)
American8.4%(42)
Irish4.6%(23)
Swedish4.2%(21)
Dutch4%(20)
Danish3.2%(16)
Scottish2.6%(13)
Italian2.2%(11)
Swiss2.2%(11)
Norwegian1.2%(6)
French1%(5)
+ 5 more ancestry groups with data
Polish1%(5)
British0.8%(4)
Welsh0.8%(4)
Australian0.2%(1)
Section 05

Education

16.1%
−0.1 ptsvs 2000
vs 16.3% in 2000
US average: 20.3%
High school or higher
90.0%
−0.7 ptsvs 2000
vs 90.7% in 2000
US average: 75.2%
3.3%
+0.9 ptsvs 2000
vs 2.4% in 2000
US average: 7.1%
Section 06

Commute & transportation

33.8 min
+56%vs 2000
vs 21.6 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 married34.6%(75)
Married61.3%(133)
Widowed0%(0)
Divorced4.1%(9)
Women 15+
Never married13.8%(24)
Married78.7%(137)
Widowed2.3%(4)
Divorced5.2%(9)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

2.2%
−7.1 ptssince 2013
from 9.3% in 2013
US average: 8.4%
63.0%
+8.1 ptssince 2020
from 54.9% in 2020
US average: 54.8%
Direct-purchase
18.8%
−2.6 ptssince 2020
from 21.4% in 2020
US average: 13.8%
19.6%
+0.4 ptssince 2020
from 19.2% in 2020
US average: 18.4%
10.0%
+1.8 ptssince 2020
from 8.2% in 2020
US average: 20.9%
VA health care
1.8%
+0.2 ptssince 2020
from 1.6% in 2020
US average: 2.2%
Any private
84.4%
+8.8 ptssince 2020
from 75.6% in 2020
US average: 67.1%
Any public
29.6%
+3.8 ptssince 2020
from 25.8% 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)19%(4)
US avg: 26.4%
Gulf War (1990s)38.1%(8)
US avg: 24.3%
Vietnam era47.6%(10)
US avg: 33.1%
Korean War9.5%(2)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 21 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 Dayton, Idaho?

Dayton, Idaho has about 366 residents according to the 1990 Census.

What is the median household income in Dayton, Idaho?

The typical household in Dayton, Idaho earns about $24,583 a year. Half of households make more than that, and half make less.

Is Dayton, Idaho expensive?

In Dayton, Idaho, the median home is worth about $41,300.

How educated are people in Dayton, Idaho?

About 16.1% of adults age 25 and over in Dayton, Idaho hold a bachelor's degree or higher.

What is the poverty rate in Dayton, Idaho?

About 5.2% of people in Dayton, 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 →