Byrnes Mill, MO demographics:
population, income, and more

Total population
3,189
0.7% year-over-year change
Median household income
$98,576/yr
12.4% year-over-year change
Housing units
1,232
-6.0% year-over-year change

Byrnes Mill population

How many people live in Byrnes Mill

Byrnes Mill is home to 3,189 residents, according to the most recent Census data. Gender-wise, 53.1% of Byrnes Mill locals are male, and 46.9% are female.

Total population
3,189
0.7% year-over-year change
Gender ratio
Male
53.1%
1,692
Female
46.9%
1,497
Value Percent YoY change
Male 1,692 53.1% 1.9%
Female 1,497 46.9% -0.7%
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 Byrnes Mill is 38, with the population distributed as follows: about 21.8% are children under 15, then 7.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 30.4% of the population, while another 24.3% fall into the 45 to 64 bracket. Finally, around 15.6% are 65 or older.

Median age
37.9
Age breakdown
Under 15
21.8%
15 to 24
7.9%
25 to 44
30.4%
45 to 64
24.3%
Over 65
15.6%
Value Percent YoY change
Under 15 695 21.8% 1.6%
15 to 24 252 7.9% 3.7%
25 to 44 970 30.4% -0.5%
45 to 64 775 24.3% -3.2%
Over 65 497 15.6% 6.9%
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 Byrnes Mill, 98% of the population are US-born citizens, while 2% have gained naturalized citizenship. There’s also a share of 12.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
98%
Non-U.S.-born citizens
2%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 3,124 98% -0.4%
Non-U.S.-born citizens 65 2% 109.7%
Racial breakdown
White
85.4%
Black or African American
1.9%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
12.7%
Other
0%
Value Percent
White 2,725 85.4%
Black or African American 60 1.9%
Two or more races 404 12.7%

Households in Byrnes Mill

A peek inside Byrnes Mill households

Byrnes Mill has 1,200 households, with an average of 3 members in each. Of these, 66.5% are families, while the remaining 33.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,200
-6.5% year-over-year change
Average people per household
3
Non-family households
402
Family households
798
Value Percent YoY change
Non-family households 402 33.5% -16.9%
Family households 798 66.5% -0.1%
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 Byrnes Mill

The housing landscape of Byrnes Mill

Byrnes Mill's housing consists of 1,232 units, with 63.5% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 34.1% of the housing landscape.

Housing units
1,232
-6.0% year-over-year change
Housing types
Value Percent
1 unit, detached 782 63.5%
3 or 4 units 3 0.2%
Mobile home 420 34.1%
Boat, RV, van, etc. 27 2.2%
Homes built since 2020
30
25.0% year-over-year change

The age of buildings in Byrnes Mill

In Byrnes Mill, the median construction year is 1997. About 4.3% of homes were built before the 1940s, with another 3.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 20.7% of homes were added from 2000 to 2009, 18.3% between 2010 and 2019, and 2.4% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 53 4.3% -7.0%
Built between 1940 and 1949 48 3.9% -25.0%
Built between 1950 and 1959 39 3.2% -18.8%
Built between 1960 and 1969 77 6.2% 0.0%
Built between 1970 and 1979 136 11% 2.3%
Built between 1980 and 1989 16 1.3% -68.6%
Built between 1990 and 1999 353 28.6% -9.9%
Built between 2000 and 2009 255 20.7% -0.4%
Built between 2010 and 2019 225 18.3% 8.2%
Built in 2020 or later 30 2.4% 25.0%
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.

Byrnes Mill occupancy rates

Out of the 1,200 occupied housing units in Byrnes Mill, 81.3% are owner-occupied, while 18.7% are lived in by tenants. Meanwhile, 2.6% of all homes on the local market sit vacant.

Occupied housing units
1,200
-6.5% year-over-year change
Occupancy breakdown
Renter occupied
224
Owner occupied
976
Value Percent YoY
change
Renter occupied 224 18.7% 10.3%
Owner occupied 976 81.3% -9.6%
Unoccupied housing units
2.6%
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.

Byrnes Mill housing costs

Housing costs in Byrnes Mill come to a median of $1,172 per month, while tenants specifically pay a median gross rent of $1,137.

Median housing costs per month
$1,172/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 Byrnes Mill
$1,137/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 Byrnes Mill

Byrnes Mill education at a glance

About 32.2% of the population in Byrnes Mill went to high school, while 26.4% pursued college studies. Another 15.5% earned an associate degree and 12.7% hold a bachelor’s. Meanwhile, 10.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 70 2.9% 9.4%
High school diploma 769 32.2% -4.6%
College diploma 632 26.4% 1.4%
Associate degree 371 15.5% 4.5%
Bachelor's degree 304 12.7% -16.7%
Graduate degree 244 10.2% 41.9%
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 Byrnes Mill

How much people earn in Byrnes Mill

The average annual household income in Byrnes Mill was $107,382 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +8.3% change from the previous year. At the same time, the median income stood at $98,576, reflecting a +12.4% shift over the same period.

Average household income in Byrnes Mill
$107,382/year
8.3% year-over-year change
Median household income in Byrnes Mill
$98,576/year
12.4% year-over-year change

Byrnes Mill income by age

In Byrnes Mill, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $97,674. Those with someone between 45 and 64 in charge, often well established professionally, earn $153,354 overall. Overall, 79.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $97,674 2.5%
45 - 64 $153,354 7.2%
Over 65 $74,219 3.3%
Above poverty level
2,515
Below poverty level
659
Value Percent YoY
change
Above poverty level 2,515 79.2% 0.3%
Below poverty level 659 20.8% 5.4%

Average renter income in Byrnes Mill

To get a better sense of what renters earn on average in Byrnes Mill, their median household income was $47,679 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 28.6%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$47,679
Rent-to-income ratio
28.6%
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 Byrnes Mill

Workforce and job types in Byrnes Mill

The job market in Byrnes Mill is powered by 1,334 working residents, spread across a range of industries and roles. 75.3% of the working population are employed in professional or administrative positions, while 24.7% are in hands-on or service-based jobs. Also, 6.6% run their own businesses, 82.6% are employed by private companies, and 8.4% work in the public sector.

Workforce demographics

Working population
1,334
0.8% year-over-year change
White collar
1,004
Blue collar
330
Value Percent YoY change
White collar 1,004 75.3% 3.1%
Blue collar 330 24.7% -5.7%
Employer type
Self employees
6.6%
Private companies
82.6%
Governmental workers
8.4%
Not for profit companies
2.4%
Value Percent YoY change
Self employees 88 6.6% 11.4%
Private companies 1,102 82.6% 3.6%
Governmental workers 112 8.4% -9.7%
Not for profit companies 32 2.4% -43.9%
Unemployment rate
9.8%
72.6% year-over-year change

Available workforce

The unemployment rate in Byrnes Mill stands at 9.8%, 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 Byrnes Mill

How people get around in Byrnes Mill

Means of transportation
Value Percent YoY change
Car 1,036 77.7% -5.0%
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 Byrnes Mill by zipcode?

Zipcode Population Number of households Median income Average income
63051 13,436 5,027 $79,940 $96,883

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FAQs about Byrnes Mill demographics 

What is the total population of Byrnes Mill?

Byrnes Mill has a total population of 3,189 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 +0.7% compared to a year ago.

What is the gender ratio in Byrnes Mill?

The gender ratio in Byrnes Mill is as follows:
  • 53.1% males (1,692 residents)
  • 46.9% females (1,497 residents)

What is the median age in Byrnes Mill?

The median age in Byrnes Mill is 37.9.

What is the age distribution of the population in Byrnes Mill?

The age distribution in Byrnes Mill is as follows:
  • Under 15: 21.8% (695 residents)
  • Ages 15-24: 7.9% (252 residents)
  • Ages 25-44: 30.4% (970 residents)
  • Ages 45-64: 24.3% (775 residents)
  • Over 65: 15.6% (497 residents)

What is the racial and ethnic makeup of Byrnes Mill?

The racial and ethnic makeup of Byrnes Mill is as follows:
  • White: 85.4% (2,725 residents)
  • Black or African American: 1.9% (60 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 12.7% (404 residents)
  • Other: 0% (0 residents)

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

U.S.-born citizens represent 98% of the population in Byrnes Mill.

How many housing units are there in Byrnes Mill?

There are 1,232 housing units in Byrnes Mill, reflecting a -6.0% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Byrnes Mill has a total of 1,200 households, with an average of 3 people in each.

What is the median household income in Byrnes Mill?

Byrnes Mill has a median household income of $98,576, representing a +12.4% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Byrnes Mill?

The employment rate is 90.2% in Byrnes Mill, with a workforce of 1,334 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 75.3% (1,004 residents)
  • Blue-collar workers: 24.7% (330 residents)

Places of employment:
  • Self-employed: 6.6% (88 residents)
  • Private companies: 82.6% (1,102 residents)
  • Governmental workers: 8.4% (112 residents)
  • Not-for-profit companies: 2.4% (32 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