United States › Idaho › Dayton CITY
Dayton Idaho · 545 residents (2025 est.) · 6.67 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
Dayton is home to 500 people in Idaho. Owners hold 94% of the housing stock. 0% of locals were born outside the United States. This skews young, with a median age of 34.5. Poverty is uncommon here, at 2.8% of locals. There are 75 people per square mile.
At a glance
Average income
near the US median
US median: $82,259
Younger
median age 34.5
US median: 38.9
Average education
31% hold a bachelor's degree
US average: 36%
Less affordable
home values up 79%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 444 in 2000
545 in 2025 (Census Bureau estimate)
from 71 / sq mi in 2009
US average: 281
from 26.8 in 2000
US average: 38.9
Population, 1990 – 2024
345 408 472 535 598 1990 2000 2010 2020 2024 Dayton Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $82,083
+24%inflation adjusted, since 2000
from $36,442 in 2000
US average: $82,259
from $11,653 in 2000
US average: $44,673
Households earning $100K+
from 24.4% in 2009
US average: 53.3%
from 8.8% in 2000
US average: 12.5%
from 0.276 in 2010
US average: 0.476
Workforce by industry, 2024
Transportation & warehousing 3.4%
Professional, scientific, technical 3.4%
Agriculture, forestry, fishing 3%
Education & health services 3%
Arts, entertainment, food 0%
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$308,300
+79%inflation adjusted, since 2000
from $94,500 in 2000
US average: $376,019
from 89.7% in 2000
6.1% rent
from 11.8% in 2009
US average: 10.0%
3.07 people
−13%since 2009
from 3.53 people in 2009
US average: 2.54
from 24.1% in 2009
US average: 22.9%
from 8.7% in 2009
US average: 47.4%
from 3.2 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 97.1%(431)
2024
White, non-Hispanic 95.4%(477)
from 14 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 5 more ancestry groups with data from 16.3% in 2000
US average: 35.6%
High school or higher
from 90.7% in 2000
US average: 89.6%
from 2.4% in 2000
US average: 14.0%
Section 06
Commute & transportation from 21.6 min in 2000
US average: 26.5
from 71.2% in 2009
US average: 68.9%
from 10.7% in 2009
US average: 8.5%
from 0.0% in 2009
US average: 3.2%
from 4.9% in 2009
US average: 15.0%
from 10.7% in 2009
US average: 2.4%
from 1.5% in 2009
US average: 0.4%
from 0.0% in 2009
US average: 8.3%
Section 07
Work & employment from 7.6% in 2011
US average: 5.2%
from 61.7% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 70.7% in 2020
US average: 74.6%
from 15.9% in 2009
US average: 13.1%
from 33.7% in 2009
US average: 42.5%
Section 08
People & community from 1.0% in 2009
US average: 14.1%
from 16.0% in 2009
US average: 6.2%
from 10.7% in 2012
US average: 13.3%
from 9.3% in 2013
US average: 8.4%
from 86.0% in 2017
US average: 91.0%
Computer in household
from 97.9% in 2020
US average: 95.5%
from 91.3% in 2020
US average: 87.7%
from 96.2% in 2016
US average: 77.7%
from 3.3% in 2016
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 9.3% in 2013
US average: 8.4%
from 54.9% in 2020
US average: 54.8%
Direct-purchase
from 21.4% in 2020
US average: 13.8%
from 19.2% in 2020
US average: 18.4%
from 8.2% in 2020
US average: 20.9%
VA health care
from 1.6% in 2020
US average: 2.2%
Any private
from 75.6% in 2020
US average: 67.1%
Any public
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)
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.
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Drill deeper
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Frequently asked
How many people live in Dayton, Idaho? Dayton, Idaho has about 500 residents according to the 2024 American Community Survey.
What is the median household income in Dayton, Idaho? The typical household in Dayton, Idaho earns about $82,083 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 $308,300.
How educated are people in Dayton, Idaho? About 30.6% 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 2.8% 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 134 residents, a change of about 37 percent over that period.
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