Maineville, OH

Village in Warren County, OH, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

2,070

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

31.8

years ∙ half population younger than 31.8, half older

Diversity Index

11.9%

chance two random people differ in race and ethnicity

Nativity

foreign-born population

96%Native

4% Foreign-born

Geographic Context

Location, size, and surroundings

About

Maineville is a village within Warren County, Ohio, United States.

Location

Village in Warren County, OH, US

Co-ordinates

DEC39.319450° N, 84.185128° W

DMS39° 19′ 10.02″ N, 84° 11′ 06.46″ W

Population Density & area

1,302/sq mi (503.6/km²)

Total Area

1.59 sq mi (4.11 km²)

Land Area

1.59 sq mi (4.11 km²) · 100%

Water Area

0 sq mi (0 km²) · 0%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

55.2% male

Male 55.2%

Female 44.8%

males per 100 females

Maineville 123.3

Warren County 102.3

Ohio 97.3

Nativity

foreign-born population

96%Native

4% Foreign-born

% Foreign-born

Maineville 4%

Warren County 9.1%

Ohio 5.2%

Age Distribution

How the population is spread across age groups

Median Age

31.8

years ∙ half population younger than 31.8, half older

Maineville

31.8

Warren County

40.1

Ohio

39.7

Dependency ratio

72.8

dependents per 100 working-age adults

Maineville 72.8

Warren County 65.4

Ohio 67.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Maineville	Warren County	Ohio
Age Group
Children (Under 18)	31.5%	23.8%	22%
Working age (18-64)	57.9%	60.4%	59.7%
Senior (65+)	10.6%	15.8%	18.3%
Dependency ratio
Total dependency ratio	72.8	65.4	67.4
Child dependency ratio	54.5	39.4	36.9
Old-age dependency ratio	18.3	26.1	30.6

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

93.8%

Black

1.1%

Asian

0.5%

Hispanic

2.5%

Other

2.1%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

11.9%

chance two random people differ in race and ethnicity

Maineville 11.9%

Warren County 32.2%

Ohio 40.6%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Maineville population

Racial and ethnic composition — Maineville vs Warren County vs Ohio. Source: ACS 2020-2024 5-Year Estimates.
	Maineville	Warren County	Ohio
Hispanic or Latino	2.5%	3.5%	4.8%
Mexican	1.4%	1.8%	2%
Puerto Rican	0%	0.4%	1.2%
Cuban	0%	0.1%	0.1%
Other Hispanic / Latino	1.1%	1.2%	1.4%
Not Hispanic or Latino	97.5%	96.5%	95.2%
One race	95.5%	92.9%	90.9%
White	93.8%	81.8%	75.8%
Black or African American	1.1%	3.2%	12%
American Indian and Alaska Native	0%	0.1%	0.1%
Asian	0.5%	7.2%	2.5%
Native Hawaiian and Other Pacific Islander	0%	0%	0%
Some Other Race	0.1%	0.7%	0.4%
Two or more races (Multiracial)	2%	3.6%	4.3%

Household & Families Composition

Household size, type, and family structure

Household structure

67.8% family

Family 67.8%

Non family 32.2%

% family households

Maineville 67.8%

Warren County 74.7%

Ohio 61.2%

Average household size

3.12

persons per household

Maineville

3.12

Warren County

2.66

Ohio

2.37

Household & Family COMPOSITION

Households

Percentage of Maineville population

	Maineville	Warren County	Ohio
Total households	662	92,052	4,863,191
Average houshold size	3.12	2.66	2.37
Family households	449	68,782	2,976,515
Average family size	3.87	3.09	3.01
Married couple family	383	57,360	2,158,670
Other families	66	11,422	817,845
Male householder	19	3,776	235,478
Female householder	47	7,646	582,367
Non-family households	213	23,270	1,886,676
One-person households	163	19,113	1,556,005
Male householder	59	8,262	716,929
Senior (65+) living alone	38	2,602	227,267
Female householder	104	10,851	839,076
Senior (65+) living alone	63	6,126	427,631
Other living arrangements	50	4,157	330,671

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

697

housing units

Maineville 697

Warren County 96,061

Ohio 5,292,391

Occupancy status

95% occupied

Occupied 95%

Vacant 5%

vacancy rate

Maineville 5%

Warren County 4.2%

Ohio 8.1%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

84.2%

Single family houses

84.2%

Apartments in multi-unit structures

15.7%

Mobile homes

Boat, RV, van, etc

Median Year Built

2004

Half of houses were built before 2004, and half after.

Historic ∙ 1939 or earlier

Postwar & mid-century ∙ 1940 - 1969

6.5%

Late 20th century ∙ 1970 - 1999

34.9%

Modern ∙ 2000 or later

54.5%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Maineville	Warren County	Ohio
Rooms per unit
Median rooms	6.2	6.7	5.9
1–3 rooms	10%	6.5%	10.7%
4–6 rooms	44.9%	41.3%	50.1%
7+ rooms	45%	52.2%	39.3%
Bedrooms
No bedroom / studio	0.6%	0.9%	1.7%
1 bedroom	10%	4.7%	9.4%
2 bedrooms	14.1%	20.4%	25.4%
3 bedrooms	49.9%	38.8%	41.6%
4+ bedrooms	25.4%	35.1%	21.9%
At a glance
Median year built	2004	1995	1971
Total housing units	697	96,061	5,292,391

Occupancy Profile

Who is inside and how they use it

Homeownership

77% owners

Renter-occupied 23%

Owner-occupied 77%

homeownership rate

Maineville 77%

Warren County 79.4%

Ohio 67.2%

Average household size

3.49

Owner-occupied

1.89

Renter-occupied

owner-occupied average size

Maineville 3.49

Warren County 2.79

Ohio 2.5

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Maineville	Warren County	Ohio
Total occupied units	662	92,052	4,863,191
Year moved in
2020 or later	26%	23.1%	22.8%
2010 to 2019	50.8%	41.2%	38.6%
2000 to 2009	11.2%	19.2%	16.5%
1999 or earlier	12.1%	16.5%	22.1%
Occupants per room
1.00 or fewer	98.5%	98.7%	98.5%
1.01 to 1.50	1.5%	0.9%	1.1%
1.51 or more	0%	0.4%	0.4%
Vehicles availability
No vehicles	2.7%	3.1%	7.5%
1 vehicle	21.5%	25.4%	34%
2 vehicles	46.4%	42.8%	37.4%
3 or more vehicles	29.5%	28.7%	21.2%
House heating fuel used
Gas	46.5%	58.6%	69.6%
Electricity	52.6%	37.4%	26%
Solar	0%	0.1%	0%
Fuel oil, kerosene etc	0.9%	2%	1.7%
All other fuels	0%	1.6%	2.2%
No fuel used	0%	0.4%	0.5%
Selected characteristics
Lacking complete plumbing	0.6%	0.1%	0.4%
Lacking complete kitchen	0%	0.6%	0.9%
No telephone service available	0.5%	0.5%	0.8%

Housing Value

What owner-occupied units are worth

Median home value

$287,400

owner-occupied units

Median value(USD)

Maineville

$287,400

Warren County

$349,400

Ohio

$214,800

Housing Cost Burden

39.3%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

39.3%

Owners without a mortgage

18.9%

Renters

56.9%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Maineville	Warren County	Ohio
Property value
Median Value	$287,400	$349,400	$214,800
Under $100,000	1.2%	4.2%	16.3%
$100,000 - $200,000	11%	13%	29.7%
$200,000 - $300,000	46.1%	22.7%	23.3%
$300,000 - $500,000	32.4%	37.1%	21.8%
$500,000 - $1,000,000	6.5%	20.3%	7.7%
$1,000,000 and more	2.9%	2.7%	1.2%
Owner-occupied households
With a mortgage	78.2%	69%	60.6%
Without a mortgage	21.8%	31%	39.4%
Median monthly owner costs
With a mortgage	$1,866	$1,974	$1,517
Without a mortgage	$578	$756	$588
Gross rent
Median rent	$1,000	$1,361	$1,034

Education Profile

How educated is the community and how education pays off

Adults with a college degree

29.5%

of adults 25+ with a bachelor's degree or higher

Maineville 29.5%

Warren County 45.6%

Ohio 31.5%

Adults without a high school diploma

5.2%

of adults (25+) without a high school diploma

Maineville 5.2%

Warren County 5%

Ohio 8.1%

School Enrollment

Who is enrolled in school and at what level

School enrollment

512

population (age 3+) enrolled in school

Nursery / Preschool

3.5%

K–12

78.1%

College / Undergraduate

11.5%

Graduate / Professional

6.8%

College-going rate (18-24 yr olds)

29.7%

of 18-24-year-olds in college or graduate school

Maineville

29.7%

Warren County

34.2%

Ohio

38.1%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Maineville	Warren County	Ohio
Total enrolled (age 3+)	512	61,539	2,715,174
Nursery / preschool	3.5%	5.9%	6%
K–12	78.1%	75.8%	69.7%
Kindergarten	3.5%	5.1%	5.3%
Elementary: Grades 1–4	36.1%	21.5%	20.8%
Elementary: Grades 5–8	24%	23.1%	21.6%
High School: Grades 9–12	14.5%	26.1%	22.1%
College or graduate school	18.4%	18.3%	24.3%
College, undergraduate	11.5%	14.2%	19.1%
Graduate, professional school	6.8%	4%	5.2%
College-going rate · 18-24 yr olds	29.7%	34.2%	38.1%
School type
Public school	82.4%	80.5%	80.9%
Private school	17.6%	19.5%	19.1%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

1,259

population 25 years and over

Total adults (25+)

Less than 9th grade

3.6%

9th-12th, no diploma

1.6%

HS graduate

31.5%

Some college no degree

17.7%

Associates degree

16%

Bachelors degree

19.7%

Graduate or professional degree

9.8%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

53.3% · 46.7%

9th-12th, no diploma

35% · 65%

HS graduate

45.8% · 54.2%

Some college no degree

74.4% · 25.6%

Associates degree

17.3% · 82.7%

Bachelors degree

48% · 52%

Graduate or professional degree

45.2% · 54.8%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Maineville	Warren County	Ohio
Population (25+)	1,259	170,768	8,162,216
Less than 9th grade	3.6%	1.7%	2.6%
9th–12th, no diploma	1.6%	3.3%	5.5%
High school diploma or GED	31.5%	24.4%	32.1%
Some college, no degree	17.7%	16.6%	19.3%
Associate's degree	16%	8.5%	9%
Bachelor's degree or higher	29.5%	45.6%	31.5%
Bachelor's degree	19.7%	27.2%	19.3%
Graduate or professional	9.8%	18.4%	12.2%
High School or higher	94.8%	95.1%	91.8%

Earnings by education level

percentage as applicable

Median Earnings

$56,033

Median earnings for adults 25+, by level

Less than HS graduate

$—

HS graduate

$39,886

Some college or associates

$—

Bachelors degree

$78,068

Graduate or professional degree

$76,250

Poverty Rate

9.1%

for ages 25+, with bachelors degree or higher

Less than HS graduate

4.6%

HS graduate

10.6%

Some college or associates

7.1%

Bachelors degree or higher

9.1%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Maineville	Warren County	Ohio
Median earnings
Population 25+, with earnings	$56,033	$66,900	$50,614
Less than high school graduate	$—	$33,459	$32,025
High school graduate (includes equivalency)	$39,886	$46,596	$39,940
Some college or associate's degree	$—	$54,234	$45,998
Bachelor's degree	$78,068	$80,772	$66,950
Graduate or professional degree	$76,250	$102,995	$84,072
Poverty rates
Less than high school graduate	4.6%	22.3%	28.4%
High school graduate (includes equivalency)	10.6%	7.9%	14.2%
Some college or associate's degree	7.1%	5.9%	10.5%
Bachelor's degree or higher	9.1%	2.5%	4.2%

Insights for Maineville, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

Cite this page

Citation style

Url to be used as reference

This article is for informational purposes only and is not intended to be legal or tax advice. We recommend that you consult with a qualified professional such as a lawyer or accountant before making a decision. Many of the products and services featured here are from our affiliate partners. We may receive commissions on purchases made from our chosen links. Read advertiser disclosure.