ZIP Code Tabulation Area · Ohio
ZIP Code 45242: Blue Ash, OH
ZIP Code 45242 (Blue Ash, Hamilton County, Ohio) has an estimated 22,623 residents in 9,064 households. The median household income is $124,567, the median home value is $447,100 and the median gross rent is $1,782/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.
American Community Survey 2020–2024 5-year estimates · Updated
Total population
22,623
Margin of error ±1,428
Median household income
$124,567
Margin of error ±$6,320
Median home value
$447,100
Margin of error ±$22,761
Median gross rent
$1,782/mo
Margin of error ±$92
Median age
41.3 yrs
Margin of error ±1.2 yrs
Mean travel time to work
20.2 min
Margin of error ±2.4 min
How ZIP 45242 compares with Ohio and the U.S.
State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.
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All figures for ZIP 45242
Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).
| Measure | ZIP 45242 | Margin of error | Ohio | United States |
|---|---|---|---|---|
| Total population | 22,623 | ±1,428 | 11,810,293 | 334,922,499 |
| Median age | 41.3 yrs | ±1.2 yrs | 39.7 yrs | 38.9 yrs |
| Households | 9,064 | ±609 | 4,863,191 | 129,227,496 |
| Median household income | $124,567 | ±$6,320 | $71,389 | $80,734 |
| Per capita income | $78,839 | ±$8,651 | $40,552 | $44,673 |
| Poverty rate | 4.2% | ±1.4 pts | 13.3% | 12.5% |
| Unemployment rate | 2.7% | ±1.3 pts | 4.8% | 5.2% |
| Bachelor's degree or higher | 69.7% | ±3.5 pts | 31.5% | 35.7% |
| Median home value | $447,100 | ±$22,761 | $214,800 | $332,700 |
| Median gross rent | $1,782/mo | ±$92 | $1,034/mo | $1,413/mo |
| Owner-occupied homes | 78.3% | ±3.0 pts | 67.2% | 65.2% |
| Mean travel time to work | 20.2 min | ±2.4 min | 23.4 min | 26.4 min |
| Worked from home | 19.3% | ±2.6 pts | 13.0% | 15.1% |
Race and Hispanic or Latino origin
Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.
| Group | ZIP 45242 | Ohio | United States |
|---|---|---|---|
| White alone, not Hispanic or Latino | 75.1% | 75.8% | 57.4% |
| Black or African American alone, not Hispanic or Latino | 4.9% | 12.0% | 11.9% |
| American Indian and Alaska Native alone, not Hispanic or Latino | 0.0% | 0.1% | 0.5% |
| Asian alone, not Hispanic or Latino | 8.4% | 2.5% | 5.9% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino | 0.3% | 0.0% | 0.2% |
| Some other race alone, not Hispanic or Latino | 0.2% | 0.4% | 0.6% |
| Two or more races, not Hispanic or Latino | 4.7% | 4.3% | 4.3% |
| Hispanic or Latino (of any race) | 6.3% | 4.8% | 19.3% |
Where ZIP 45242 is
- State
- Ohio
- Main county
- Hamilton County
- Largest overlapping place
- Blue Ash (38% of the ZIP's land area)
- Land area
- 13.55 sq mi· about 1,670 people per sq mi
County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.
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Other ZIP codes in Hamilton County
45224 Cincinnati, OH45225 Cincinnati, OH45226 Cincinnati, OH45227 Cincinnati, OH45229 Cincinnati, OH45230 Cincinnati, OH45231 Hamilton County, OH45232 Cincinnati, OH45233 Mack, OH45236 Kenwood, OH45237 Cincinnati, OH45238 Cincinnati, OH45239 White Oak, OH45240 Forest Park, OH45241 Sharonville, OH45243 The Village of Indian Hill, OH45244 Dry Run, OH45246 Springdale, OH45247 Taylor Creek, OH45248 Mack, OH45249 Montgomery, OH45251 Northgate, OH45252 Dunlap, OH45255 Forestville, OH
See every ZIP code in Ohio, or compare ZIP 45242 with another ZIP code.
Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.
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About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.
Sources
- U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
- U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
- Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.