Monroe, Butler County, OH demographics:
population, income, and more

Total population
15,401
2.5% year-over-year change
Median household income
$105,250/yr
1.6% year-over-year change
Housing units
5,391
-0.1% year-over-year change

Monroe population

How many people live in Monroe

Monroe is home to 15,401 residents, according to the most recent Census data. Gender-wise, 48.3% of Monroe locals are male, and 51.7% are female.

Total population
15,401
2.5% year-over-year change
Gender ratio
Male
48.3%
7,441
Female
51.7%
7,960
Value Percent YoY change
Male 7,441 48.3% 0.6%
Female 7,960 51.7% 4.4%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Monroe is 36, with the population distributed as follows: about 21.8% are children under 15, then 17.5% are in the 15 to 24 age group. Adults between 25 and 44 make up 22.4% of the population, while another 24.4% fall into the 45 to 64 bracket. Finally, around 13.9% are 65 or older.

Median age
36.5
Age breakdown
Under 15
21.8%
15 to 24
17.5%
25 to 44
22.4%
45 to 64
24.4%
Over 65
13.9%
Value Percent YoY change
Under 15 3,356 21.8% 1.8%
15 to 24 2,700 17.5% 17.7%
25 to 44 3,448 22.4% -9.3%
45 to 64 3,757 24.4% 7.0%
Over 65 2,140 13.9% 1.0%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Monroe, 92.4% of the population are US-born citizens, while 5.4% have gained naturalized citizenship. At the same time, 2.2% of residents are non-citizens. As for race, 83.4% of locals are Caucasian, 3% are African American and 3.8% have Asian roots. There’s also a share of 7.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
92.4%
Non-U.S.-born citizens
5.4%
Non-citizens
2.2%
Value Percent YoY change
U.S.-born citizens 14,232 92.4% 0.0%
Non-U.S.-born citizens 829 5.4% 33.1%
Non-citizens 340 2.2% 96.5%
Racial breakdown
White
83.4%
Black or African American
3%
American Indian and Alaska Native
0.1%
Asian
3.8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7.8%
Other
2%
Value Percent
White 12,837 83.4%
Black or African American 466 3%
American Indian and Alaska Native 10 0.1%
Asian 583 3.8%
Two or more races 1,199 7.8%
Other 306 2%

Households in Monroe

A peek inside Monroe households

Monroe has 5,259 households, with an average of 3 members in each. Of these, 79.4% are families, while the remaining 20.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
5,259
-1.0% year-over-year change
Average people per household
3
Non-family households
1,086
Family households
4,173
Value Percent YoY change
Non-family households 1,086 20.6% 2.5%
Family households 4,173 79.4% -1.9%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Monroe

The housing landscape of Monroe

Monroe's housing consists of 5,391 units, with 88.5% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.9% and offer a more compact, shared living style.

Housing units
5,391
-0.1% year-over-year change
Housing types
Value Percent
1 unit, detached 4,770 88.5%
1 unit, attached 212 3.9%
2 units 33 0.6%
3 or 4 units 130 2.4%
5 to 9 units 152 2.8%
10 to 19 units 48 0.9%
20 to 49 units 12 0.2%
50 or more units 34 0.6%
Homes built since 2020
27
22.7% year-over-year change

The age of buildings in Monroe

In Monroe, the median construction year is 2001. About 1.6% of homes were built before the 1940s, with another 0.7% going up by 1949. Most development happened in the second half of the 20th century. Then, 40.3% of homes were added from 2000 to 2009, 12.6% between 2010 and 2019, and 0.5% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 84 1.6% 50.0%
Built between 1940 and 1949 36 0.7% 125.0%
Built between 1950 and 1959 365 6.8% 31.8%
Built between 1960 and 1969 497 9.2% -29.9%
Built between 1970 and 1979 498 9.2% -8.3%
Built between 1980 and 1989 335 6.2% 49.5%
Built between 1990 and 1999 700 13% 11.5%
Built between 2000 and 2009 2,172 40.3% -1.4%
Built between 2010 and 2019 677 12.6% -5.8%
Built in 2020 or later 27 0.5% 22.7%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Monroe occupancy rates

Out of the 5,259 occupied housing units in Monroe, 80.8% are owner-occupied, while 19.2% are lived in by tenants. Meanwhile, 2.4% of all homes on the local market sit vacant.

Occupied housing units
5,259
-1.0% year-over-year change
Occupancy breakdown
Renter occupied
1,007
Owner occupied
4,252
Value Percent YoY
change
Renter occupied 1,007 19.2% -19.6%
Owner occupied 4,252 80.8% 4.8%
Unoccupied housing units
2.4%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Monroe housing costs

Housing costs in Monroe come to a median of $1,554 per month, while tenants specifically pay a median gross rent of $1,608.

Median housing costs per month
$1,554/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Monroe
$1,608/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Monroe

Monroe education at a glance

About 27% of the population in Monroe went to high school, while 22.9% pursued college studies. Another 12.2% earned an associate degree and 25% hold a bachelor’s. Meanwhile, 10.9% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 226 2.1% 26.3%
High school diploma 2,949 27% 4.3%
College diploma 2,505 22.9% -1.7%
Associate degree 1,335 12.2% 0.8%
Bachelor's degree 2,732 25% 4.6%
Graduate degree 1,188 10.9% -3.3%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Monroe

How much people earn in Monroe

The average annual household income in Monroe was $116,350 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2.8% change from the previous year. At the same time, the median income stood at $105,250, reflecting a +1.6% shift over the same period.

Average household income in Monroe
$116,350/year
2.8% year-over-year change
Median household income in Monroe
$105,250/year
1.6% year-over-year change

Monroe income by age

In Monroe, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $108,906. Those with someone between 45 and 64 in charge, often well established professionally, earn $141,281 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $100,781, while those led by someone over 65, many of whom may be retired, have about $67,241 in earnings. Overall, 95.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $100,781 5.0%
25 - 44 $108,906 1.4%
45 - 64 $141,281 8.0%
Over 65 $67,241 8.8%
Above poverty level
14,463
Below poverty level
658
Value Percent YoY
change
Above poverty level 14,463 95.6% 2.6%
Below poverty level 658 4.4% 23.0%

Average renter income in Monroe

To get a better sense of what renters earn on average in Monroe, their median household income was $86,875 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 22.2%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$86,875
Rent-to-income ratio
22.2%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Monroe

Workforce and job types in Monroe

The job market in Monroe is powered by 8,273 working residents, spread across a range of industries and roles. 84.5% of the working population are employed in professional or administrative positions, while 15.5% are in hands-on or service-based jobs. Also, 7.6% run their own businesses, 72.6% are employed by private companies, and 13.1% work in the public sector.

Workforce demographics

Working population
8,273
0.5% year-over-year change
White collar
6,987
Blue collar
1,286
Value Percent YoY change
White collar 6,987 84.5% 0.8%
Blue collar 1,286 15.5% -1.1%
Employer type
Self employees
7.6%
Private companies
72.6%
Governmental workers
13.1%
Not for profit companies
6.7%
Value Percent YoY change
Self employees 633 7.6% 2.1%
Private companies 6,002 72.6% 0.6%
Governmental workers 1,085 13.1% -3.3%
Not for profit companies 553 6.7% 5.1%
Unemployment rate
3.2%
32.7% year-over-year change

Available workforce

The unemployment rate in Monroe stands at 3.2%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Monroe

How people get around in Monroe

Commuting methods vary: 81.8% of residents travel by personal vehicle and 1.1% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 6,768 81.8% -1.0%
Motorcycle 45 0.5% -4.3%
Walk 90 1.1% 172.7%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Monroe by zipcode?

Zipcode Population Number of households Median income Average income
45044 56,217 20,589 $73,732 $99,829
45050 12,248 4,288 $104,282 $112,514

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FAQs about Monroe demographics 

What is the total population of Monroe?

Monroe has a total population of 15,401 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +2.5% compared to a year ago.

What is the gender ratio in Monroe?

The gender ratio in Monroe is as follows:
  • 48.3% males (7,441 residents)
  • 51.7% females (7,960 residents)

What is the median age in Monroe?

The median age in Monroe is 36.5.

What is the age distribution of the population in Monroe?

The age distribution in Monroe is as follows:
  • Under 15: 21.8% (3,356 residents)
  • Ages 15-24: 17.5% (2,700 residents)
  • Ages 25-44: 22.4% (3,448 residents)
  • Ages 45-64: 24.4% (3,757 residents)
  • Over 65: 13.9% (2,140 residents)

What is the racial and ethnic makeup of Monroe?

The racial and ethnic makeup of Monroe is as follows:
  • White: 83.4% (12,837 residents)
  • Black or African American: 3% (466 residents)
  • American Indian and Alaska Native: 0.1% (10 residents)
  • Asian: 3.8% (583 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 7.8% (1,199 residents)
  • Other: 2% (306 residents)

What percentage of the population in Monroe are U.S.-born citizens?

U.S.-born citizens represent 92.4% of the population in Monroe.

How many housing units are there in Monroe?

There are 5,391 housing units in Monroe, reflecting a -0.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Monroe and what is the average household size?

Monroe has a total of 5,259 households, with an average of 3 people in each.

What is the median household income in Monroe?

Monroe has a median household income of $105,250, representing a +1.6% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Monroe?

The employment rate is 96.8% in Monroe, with a workforce of 8,273 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 84.5% (6,987 residents)
  • Blue-collar workers: 15.5% (1,286 residents)

Places of employment:
  • Self-employed: 7.6% (633 residents)
  • Private companies: 72.6% (6,002 residents)
  • Governmental workers: 13.1% (1,085 residents)
  • Not-for-profit companies: 6.7% (553 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025