What County Is Dublin, Ohio In?

Dublin is mostly in Franklin County, Ohio: about 82% of its residents live there, the rest in Union County and Delaware County. Check a specific address near a county line. About 49,294 people live there (2020–2024 estimate). It uses Eastern Time and covers 24.7 sq mi (63.9 km²) of land. The nearest city or town of 50,000 people or more is Columbus, 12 mi southeast.

ColumbusClevelandCincinnati
Dublin in Ohio
Shawnee Hills
Dublin and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
49,294 ± 83
Land area
24.7 sq mi (63.9 km²)
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Elevation
905 ft 276 m, ground height at the central point
Median household income
$160,296 ± $11,351
Median home value
$563,500 ± $16,657
Median rent, with utilities
$1,686 ± $109
Homes lived in by their owners
77.1% ± 1.7 points
Water area
0.36 sq mi (0.92 km²)
State
Ohio
Census place code
3922694
Coordinates (central point)
40.113304, -83.145774

These coordinates mark a central point for the area, not a street address. Population, income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

County boundaries in Dublin

  1. Franklin County, Ohio40,624 residents · 82%
  2. Union County, Ohio4,348 residents · 9%
  3. Delaware County, Ohio4,322 residents · 9%

This place crosses county lines: residents by county are American Community Survey 2020–2024 estimates. A city name alone cannot identify the county for every address. It is one of the 943 cities and towns with residents in more than one county. Check a point on the county map.

Coordinates of Dublin

40.113304, -83.145774 is a central point for Dublin, not a street address. Convert these coordinates or share a map link.

Elevation in Dublin

905 ft (276 m), the USGS ground height at Dublin’s central point (3DEP terrain, 1 m grid, NAVD 88). Ground height varies across town. Check elevation at another spot.

Sunrise and sunset in Dublin

Longest day
15 hours 2 minutes around June 21
Shortest day
9 hours 19 minutes around December 21
Earliest sunrise
6:02 AM around June 14
Latest sunrise
8:07 AM the day before clocks go back in November
Earliest sunset
5:06 PM around December 8
Latest sunset
9:05 PM around June 27

Clocks go forward an hour on the second Sunday in March and back on the first Sunday in November, so sunrise and sunset jump an hour later in March and an hour earlier in November.

Sunrise and sunset on the 15th of each month
DaySunriseSunsetDaylight
Jan 157:52 AM5:31 PM9 h 39 min
Feb 157:25 AM6:08 PM10 h 43 min
Mar 157:44 AM7:39 PM11 h 55 min
Apr 156:54 AM8:11 PM13 h 17 min
May 156:17 AM8:41 PM14 h 24 min
Jun 156:02 AM9:03 PM15 h 1 min
Jul 156:15 AM9:00 PM14 h 45 min
Aug 156:43 AM8:29 PM13 h 46 min
Sep 157:13 AM7:41 PM12 h 28 min
Oct 157:43 AM6:53 PM11 h 10 min
Nov 157:17 AM5:16 PM9 h 59 min
Dec 157:47 AM5:07 PM9 h 20 min

Approximate times for a flat horizon at the central point; the days move by a day or so from year to year. Hills and weather can change what you see.

Time zones in Dublin

Dublin uses Eastern Time (America/New_York).

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 4306546,679 people
  2. 4301646,362 people
  3. 4301741,613 people
  4. 4306418,143 people

4 ZIP Code areas overlap Dublin. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Shawnee Hills, Ohio (village)3.3 mi north
  2. Columbus, Ohio (city)12 mi southeast

Before using this answer on a form

A city boundary, a CDP and a mailing city can mean different things.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this place on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.