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Welcome to Dayton ...

The city of Dayton is located in Columbia County<1> and is the County Seat for Columbia County.

When the people of Dayton refer to themselves (known as a demonym), they frequently use Daytonian<2>

From the  Census Estimates for 2019, Dayton has a population of 2,464 people<3> (see below for details).

Dayton is 1,600 feet [488 m] above sea level.<4>.

Time Zone: Dayton lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time

The telephone area code for Dayton: (509)

The ZIP code for Dayton: 99328<5>

We don't have a date for the establishment of Dayton.

Websites for Dayton ...

Official Website:

Population Details ...

Taken from the 2019 Census Estimates, Dayton had an population of 2,464 people. This is a decrease of 2.45% since the 2010 Census (or a decrease of 7.19% since the 2000 Census).

At the time of the 2010 Census, Dayton had a population of 2,526 people (which is 61.94% of the total population of Columbia County). This makes Dayton the county's most populous community.

The population of Dayton represents 0.04% of the total population of Washington (which has 6,724,540 people), making it the state's 149th most populous community.

With a 2010 count of 2,526 people, the population of Dayton decreased 4.86% from the 2000 Census (with a count of 2,655 people).

More information can be found on the Census Page for Dayton.

Communities Also Named Dayton ...

While we believe that this Dayton is located in Columbia County, we know of another 2 Washington communities named Dayton. Those communities are located in the following counties: Clark and Mason County.

Beyond Washington, there are 49 communities that are also named Dayton - they are located in Alabama, Arkansas, California, Idaho, Illinois (2), Indiana, Iowa (3), Kansas (7), Kentucky, Louisiana, Maine, Maryland, Michigan (2), Minnesota, Mississippi, Missouri (2), Montana, Nevada, New Jersey, New Mexico, New York, North Carolina, Nova Scotia, Ohio (2), Ontario, Oregon, Pennsylvania (2), Tennessee, Texas, Virginia, West Virginia (2), Wisconsin and Wyoming.

For more information, see our Tidbits & Trivia Page for Dayton.

Communities near Dayton ...

We have created a list of 10 communities that are near Dayton.

  • Waitsburg
  • Prescott
    • Jump to our Gazetteer entry for Prescott
    • Prescott lies 16 miles [25.7 km]<6> to the west of Dayton.
    • Population from the 2020 Census: 310 people
    • Note: The GPS coordinates that we are using for Prescott have been provided by the GNIS.<8> The coordinates still need to be verified.
    • Jump to Google Maps centered on Prescott
  • Starbuck
  • Huntsville
    • Jump to our Gazetteer entry for Huntsville
    • Huntsville lies 6 miles [9.7 km]<6> to the west of Dayton.
    • Jump to Google Maps centered on Huntsville
  • Menoken
    • Jump to our Gazetteer entry for Menoken
    • Menoken lies 8 miles [12.9 km]<6> to the west of Dayton.
    • Jump to Google Maps centered on Menoken
  • Relief
    • Jump to our Gazetteer entry for Relief
    • Relief lies 10 miles [16.1 km]<6> to the northwest of Dayton.
    • Note: The GPS coordinates that we are using for Relief have been provided by the GNIS.<8> The coordinates still need to be verified.
    • Jump to Google Maps centered on Relief
  • Delaney
    • Jump to our Gazetteer entry for Delaney
    • Delaney lies 13 miles [20.9 km]<6> to the north of Dayton.
    • Note: The GPS coordinates that we are using for Delaney have been provided by the GNIS.<8> The coordinates still need to be verified.
    • Jump to Google Maps centered on Delaney
  • Dixie
  • Grange City ‑ Historic
    • Jump to our Gazetteer entry for Grange City
    • Grange City was located 18 miles [29 km]<6> to the northwest of Dayton.
    • Note: The GPS coordinates that we are using for Grange City have been provided by the GNIS.<8> The coordinates still need to be verified.
  • Kibler
    • Jump to our Gazetteer entry for Kibler
    • Kibler lies 19 miles [30.6 km]<6> to the southwest of Dayton.
    • Jump to Google Maps centered on Kibler

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We created a list of cemeteries that are in the area around Dayton. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Dayton.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Dayton. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Dayton.

We also have a detailed list of newspapers that have been published in the area around Dayton. Our list includes 16 papers. See our Newspapers Page for Dayton.

TripAdvisor Tourism Pages for Dayton ...

Looking for more information about Dayton? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

In addition to the Tourism page for Dayton, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Dayton.

Adding Dayton to Our Gazetteer ...

We originally found mention of Dayton in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.

From our notes, the earliest published mention that we've found for Dayton was the Business Atlas and Shippers' Guide (1895).

For more details about the above, see References and Mentions for Dayton.

The official website for Dayton:

The official website for Columbia County:

The official website for State of Washington:

Footnotes ...

<1>If you're interested in how the shape of Washington's counties, including Columbia, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>A demonym is the name for a resident of a community which is usually derived from (or is related to) the name of that community. In other words, it's how the residents of Dayton refer to themselves. It's important to note that there aren't any rules for taking a city's name and turning it into a demonym. A demonym is informal and while the majority of Dayton may use one name, keep in mind that others may use something different.
<3>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Dayton.
<4>The elevation is an estimate for the area around Dayton - it will be higher in some places and lower in others.
<5>ZIP Codes have been created by the United States Postal Service (USPS) as a way of grouping addresses to make delivery more efficient. The boundaries of the ZIP Code can be changed, re-assigned, eliminated or overlapped with other ZIP Codes. So keep in mind that any given ZIP Code is only 'loosely' associated with a city (such as Dayton). When looking for a ZIP Code, whether Dayton or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<6>Our distances are not driving distances, but are calculated as a 'straight-line' (or point-to-point) distance. A straight line distance ignores things like rivers, canyons, lakes, et cetera - it's truly a line drawn from Point A (ie- Dayton) to Point B.If you need the driving distance (or directions), we recommend that you use one of the Mapping Services listed on our Map Page for Dayton. Since we usually use Google Maps, we've provided the following link: Google Map and Driving Directions starting from DaytonOur distance measurements begin at a specific point in Dayton. The point we use is located at these GPS coordinates - Latitude: 46.3210, Longitude: -117.9777    
<7>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<8>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.




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This page was last modified/updated: 22 May 2023