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CITY · 2000 CENSUS

Dayton

Idaho · 444 residents · 6.67 sq mi
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The short version

Dayton is a city of 444 people in Idaho. Owners hold 90% of the housing stock. This skews young, with a median age of 26.8. About 16% of adults have finished a four-year degree. The population is up 21% since 1990. The typical home is worth $94,500, having more than doubled since 1990.

At a glance
Lower income
below the US median
US median: $42,589
Younger
median age 26.8
US median: 35.2
Less educated
16% hold a bachelor's degree
US average: 24%
Less affordable
home values up 74%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

444
+21%since 1990
from 366 in 1990
1990 – 2025
26.8
+12%since 1990
from 24.0 in 1990
US average: 35.2
Land area
6.67 sq mi
Population, 19902024
34540847253559819902000201020202024Dayton
2024500
1990201020202024
Age distribution, 2000
Under 58.8%(39)
US avg: 6.8%
5 to 911%(49)
US avg: 7.3%
10 to 1413.5%(60)
US avg: 7.3%
15 to 1911.3%(50)
US avg: 7.2%
20 to 244.1%(18)
US avg: 6.7%
25 to 3411%(49)
US avg: 14.2%
35 to 4411.5%(51)
US avg: 16%
45 to 5410.6%(47)
US avg: 13.4%
55 to 646.5%(29)
US avg: 8.6%
65 to 747.2%(32)
US avg: 6.5%
75 to 842.5%(11)
US avg: 4.4%
85 and over2%(9)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$36,442
+13%inflation adjusted, since 1990
from $24,583 in 1990
US average: $42,589
1990 – 2024
$11,653
+62%since 1990
from $7,210 in 1990
US average: $21,522
8.8%
+3.6 ptssince 1990
from 5.2% in 1990
US average: 12.4%
Section 03

Housing

$94,500
+74%inflation adjusted, since 1990
from $41,300 in 1990
US average: $120,530
1990 – 2024
$460
US average: $602
89.7%
−4.0 ptssince 1990
from 93.7% in 1990
10.3% rent
Section 04

Race & ethnicity

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

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

16.3%
+0.1 ptssince 1990
from 16.1% in 1990
US average: 24.4%
High school or higher
90.7%
+0.7 ptssince 1990
from 90.0% in 1990
US average: 80.3%
2.4%
−0.9 ptssince 1990
from 3.3% in 1990
US average: 8.8%
Section 06

Commute & transportation

21.6 min
−36%since 1990
from 33.8 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 married27.9%(43)
Married62.3%(96)
Widowed4.5%(7)
Divorced5.2%(8)
Women 15+
Never married19%(32)
Married61.3%(103)
Widowed11.9%(20)
Divorced7.7%(13)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
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 444 residents according to the 2000 Census.

What is the median household income in Dayton, Idaho?

The typical household in Dayton, Idaho earns about $36,442 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 $94,500, and the typical rent is about $460 a month.

How educated are people in Dayton, Idaho?

About 16.3% 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 8.8% of people in Dayton, Idaho live below the federal poverty line.

Has Dayton, Idaho grown since 1990?

Yes, Dayton, Idaho has grown since 1990. The population has added about 78 residents, a change of about 21 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 →