Ohio · Census place 3907300

Blue Ash, Ohio

Blue Ash is a city in Hamilton County, Ohio with an estimated 13,616 residents on July 1, 2024. It is the 132nd largest of 526 incorporated places of 1,000+ people in the state.

Population 2024
13,616
#132 of 526 in Ohio
Change since 2020
+1.6%
+211 people
Land area
7.6 sq mi
+ 0.02 sq mi water
Density
1,796 / sq mi
State median 2,000
Orange pin: Blue Ash. Shaded: its county. Dark pin: Columbus.

Blue Ash population, 2020 to 2024

Blue Ash added 211 residents from July 2020 to July 2024, a change of +1.6%. In the latest year it moved by +132. Among 254 Ohio places of 5,000 or more, that growth ranks 59th; the median place changed by -0.4%. The median place of 5,000+ in Ohio has 13,905 people, so Blue Ash is 98% of it.

13.4k202013.4k202113.4k202213.5k202313.6k2024
July 1 estimates. The April 2020 estimates base was 13,401. The axis starts above zero so yearly changes are visible.

Blue Ash covers 7.58 square miles of land and 0.02 of water, for 1,796 people per square mile of land. The median Ohio place of 5,000+ has 2,000, so Blue Ash is less dense than the typical town.

What county Blue Ash is in

All of Blue Ash's residents live in Hamilton County, which had 837,359 residents in 2024. Blue Ash holds 1.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Blue Ash

3 ZIP Code Tabulation Areas (ZCTAs) overlap Blue Ash by at least 10% of the ZCTA's or the city's land: 45236, 45241, 45242. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Blue Ash is

The Census internal point of Blue Ash is at 39.246100, -84.386800. Columbus, the capital, is 88.8 miles NE in a straight line. The nearest larger place is Sharonville, OH (14,040 people), 2.6 miles away. The nearest city of 100,000 or more is Cincinnati, OH, 9.7 miles away.

Internal point

Decimal
39.246100, -84.386800
DMS
39°14'45.96"N 84°23'12.48"W
UTM
16N 725511.4E 4347341.9N
Geohash
dngzr8x3j
Plus code
86FQ6JW7+C7

Daylight in Blue Ash

At 39.25° N, Blue Ash gets about 14 h 56 min of daylight around the June solstice and 9 h 24 min around the December solstice, a swing of 5 h 32 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Blue Ash

The eight nearest incorporated places of 1,000+ in Ohio, measured between internal points. The closest is Montgomery, 2.1 miles away, with 10,952 people.

Questions people ask

What is the population of Blue Ash, OH?

13,616 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 211 (1.6%) from 13,405 in July 2020.

What county is Blue Ash in?

Hamilton County. All of its residents live in that county.

What ZIP codes cover Blue Ash?

3 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 45236, 45241, 45242.

How far is Blue Ash from Columbus?

88.8 miles (142.9 km) in a straight line, heading NE from Blue Ash.

What is the nearest larger city to Blue Ash?

Sharonville, OH, with 14,040 residents, 2.6 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.