ZIP Code 45039 has segments in 2 Counties (Hamilton, Warren).
Businesses Addresses: 389
PO Box Addresses: 121
Residential Addresses: 11,482
Multi-Family Addresses: 1,402
Single Family Addresses: 10,080
The ZIP Code maps and database are updated 4 times per year. Database updated: March 1, 2026, Maps updated: May 1, 2024.
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Maineville, OH 45039 Data & Demographics
Source: 2020-2024 American Community Survey 5-Year Estimates
POPULATION
Total Population
28,335 (100%)
Population Density
1,822 per sq mi
Diversity Index1
27
INCOME
Median Household Income
$108,794
Per Capita Income
$50,383
Median Home Value
$327,200
HOUSING
Total HU (Housing Units)
11,401 (100%)
Owner Occupied HU
9,167 (80.4%)
Renter Occupied HU
1,778 (15.6%)
Vacant Housing Units
456 (4.0%)
HOUSEHOLDS
Total Households
10,945
Average Household Size
2.58
Family Households
8,031 (73.4%)
NOTES
The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).
Maineville, OH 45039 - Peer Comparisons by Rank and Percentile
The table below compares 45039 to the other 33,772 ZIP Codes in the United States by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
