PlainZIP

Maineville, OH · standard

ZIP Code 45039

Warren County, Ohio - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

22,814
554/sq mi
$108,794
Median income
$327,200
Median home value
51.6%
Bachelor's or higher

The verdict

Maineville pairs an upper-quartile household income with above-median home values, in a low-density, homeowner-dominated area.

Top 14%
household income, US ZIPs
Top 30%
home value, US ZIPs
554
people per sq mi
84%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 45039 against every reporting US ZIP.

ZIP code 45039 is a densely settled ZIP (a standard USPS delivery area) in Maineville, Warren County, Ohio, with 22,814 residents across 41.2 square miles, a density of 554 people per square mile, in the New York time zone.

ZIP 45039 lands in the middle-income range, with a median household income of $108,794 (49% above the Ohio average), while per-capita income is $50,383. Local economic indicators show a 4.1% poverty rate alongside 1.3% unemployment. Median home value sits at $327,200 (66% above the state average), median rent at $1,677 a month, and owner-occupancy at 83.8%.

This is a highly-educated ZIP: 51.6% of adults hold a bachelor's degree or higher, the median age is 39.5, and the average commute is 25 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Warren County, so you can benchmark 45039 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 45039

Top 5 sectors by establishment count in Maineville, OH

Which industries have the most business establishments in ZIP 45039.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 45039, Maineville, OH · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

22,814

Population

41.2

Area (sq mi)

554

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 45039?

39.5

Median Age

50.4%

Male

49.6%

Female

9.7%

Foreign-Born

White 86.3%
African American 2.7%
Asian 4.4%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.1%
Hispanic or Latino 4.8%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$108,794

Median Household Income

+49% vs state

$50,383

Per Capita Income

4.1%

Poverty Rate

1.3%

Unemployment Rate

25.3 min

Mean Commute Time

How ZIP 45039 ranks nationally

Maineville, OH household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$108,794 Top 14% higher than 86% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 70.5%
Bachelor's Degree or Higher 51.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

11,401

Total Housing Units

10,945

Occupied Units

456

Vacant Units

2.58

Avg Household Size

Occupancy Type

Owner 83.8%
Renter 16.2%

$327,200

Median Home Value

+66% vs state

$1,677

Median Rent

1998

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+1.8%

YoY Change (2024)

208

HPI Index (2000 = 100)

+108%

Total Change Since 2000

Home values in ZIP 45039 have increased 1.8% over the past year (2024). Since 2000, this ZIP has seen +108% cumulative appreciation.

Year Annual Change HPI Index
2020 +3.3% 143
2021 +9.5% 156
2022 +17.3% 183
2023 +11.1% 204
2024 +1.8% 208

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 360 business establishments in ZIP 45039, employing approximately 3,368 people with a combined annual payroll of $146,502,000.

360

Businesses

3,368

Employees

$146.5M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 44 12.2%
Health care and social assistance 42 11.7%
Other services (except public administration) 41 11.4%
Construction 40 11.1%
Retail trade 36 10.0%
Accommodation and food services 30 8.3%
Real estate and rental and leasing 24 6.7%
Administrative and support and waste management and remediation services 24 6.7%
Transportation and warehousing 23 6.4%
Finance and insurance 17 4.7%
Wholesale trade 15 4.2%
Manufacturing 8 2.2%
Arts, entertainment, and recreation 6 1.7%
Information 5 1.4%
Educational services 4 1.1%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 45039 vs 45034 →

ZIP 45039 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 45039 ranks #4 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 45039 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 45039 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
45034 Kings Mills, OH 1,184 2.2 mi
45065 South Lebanon, OH 4,442 3.4 mi
45140 Loveland, OH 53,267 4.9 mi
45040 Mason, OH 50,627 4.2 mi
45036 Lebanon, OH 37,504 8.1 mi
45152 Morrow, OH 11,329 6.5 mi
45249 Cincinnati, OH 12,902 6.0 mi
45147 Miamiville, OH 147 8.8 mi
45111 Camp Dennison, OH 376 9.5 mi
45242 Cincinnati, OH 22,055 8.5 mi

More ZIP Codes in Warren County

45040 standard
Mason, OH
Pop: 50,627
45036 standard
Lebanon, OH
Pop: 37,504
45005 standard
Franklin, OH
Pop: 29,963
45066 standard
Springboro, OH
Pop: 23,839
45152 standard
Morrow, OH
Pop: 11,329
45068 standard
Waynesville, OH
Pop: 10,479

Related Areas

Warren County Maineville, OH Ohio

Frequently Asked Questions

What county is ZIP code 45039 in? ▼
ZIP code 45039 (Maineville) is located in Warren County, Ohio. Warren County contains multiple ZIP codes, see the full list at /counties/warren-oh.
What is the population of ZIP code 45039? ▼
ZIP code 45039 in Maineville, OH has a population of 22,814 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 45039? ▼
The median household income in ZIP 45039 is $108,794, which is 43% above the national average of $76,288.
What is the average home value in ZIP 45039? ▼
The median home value in ZIP 45039 is $327,200, which is 18% above the national average of $278,155.
What is the demographic makeup of ZIP 45039? ▼
The largest racial group in ZIP 45039 is White at 86.3%. Hispanic or Latino residents make up 4.8% of the population.
How many businesses are in ZIP code 45039? ▼
ZIP code 45039 has 360 business establishments employing approximately 3,368 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 45039? ▼
The top industries by establishment count in ZIP 45039 are: Professional, scientific, and technical services (44), Health care and social assistance (42), Other services (except public administration) (41). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 45039? ▼
According to the FHFA House Price Index, home values in ZIP 45039 increased by 1.8% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 108%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 45039? ▼
In ZIP code 45039, 70.5% of residents aged 25+ have a high school diploma or higher, and 51.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 45039? ▼
The mean commute time for workers in ZIP code 45039 is 25.3 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 45039? ▼
In ZIP code 45039, approximately 83.8% of occupied housing units are owner-occupied and 16.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 45039? ▼
The poverty rate in ZIP code 45039 is 4.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.