Byrnes Mill, MO Profile: Facts & Data


Byrnes Mill Local Links & Resources:
Resources | ALL Byrnes Mill Content
Planning to visit Byrnes Mill? See Local Hotels

Also See: Byrnes Mill, MO ZIP Codes & ZIP Code Maps

Byrnes Mill, Missouri - Basic Facts

Quick & Easy Tools

The City of Byrnes Mill had a population of 3,016 as of July 1, 2021.

The primary coordinate point for Byrnes Mill is located at latitude 38.4378 and longitude -90.5818 in Jefferson County. The formal boundaries for the City of Byrnes Mill encompass a land area of 5.14 sq. miles and a water area of 0.12 sq. miles. Jefferson County is in the Central time zone (GMT -6). The elevation is 469 feet.

The City of Byrnes Mill has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Byrnes Mill is located within Township of High Ridge, a minor civil division (MCD) of Jefferson County.

Jump to... (On This Page!)
  1. Byrnes Mill 2021 Demographic Data
  2. Growth Rates for Byrnes Mill (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Missouri Research Tools (Easy Tools & Current Data)
  3. Missouri Data Comparison Tool - 2021 Demographics

Byrnes Mill, MO Data & Demographics (As of July 1, 2021)


Total Population 3,016 (100%)
Population in Households 3,016 (100.0%)
Population in Families 2,538 (84.2%)
Population in Group Quarters1 0
Population Density 589
Diversity Index2 12


Median Household Income $67,543
Average Household Income $87,408
% of Income for Mortgage4 14%
Per Capita Income $32,649
Wealth Index5 97


Total HU (Housing Units) 1,228 (100%)
Owner Occupied HU 993 (80.9%)
Renter Occupied HU 147 (12.0%)
Vacant Housing Units 88 ( 7.2%)
Median Home Value $230,034
Average Home Value $231,244
Housing Affordability Index3 186


Total Households 1,140
Average Household Size 2.65
Family Households 848
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different races or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2021 2021-2026
Population 0.75% 0.73%
Households 0.85% 0.85%
Families 0.75% 0.74%
Median Household Income   2.44%
Per Capita Income   2.72%
Owner Occupied HU   0.95%

Byrnes Mill, MO - Peer Comparisons by Rank and Percentile

The table below compares Byrnes Mill to the other 1,032 incorporated cities, towns and CDPs in Missouri by rank and percentile using July 1, 2021 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.

Variable Description Rank Percentile
Total Population # 204 80th
Population Density # 651 37th
Median Household Income # 174 83rd
Housing Affordability Index # 409 40th
Per Capita Income # 198 81st
Diversity Index # 601 42nd

Additional comparisons and rankings can be made with a VERY EASY TO USE Missouri Census Data Comparison Tool.

Byrnes Mill, MO - Most Popular Things to Do

Also See: Nearby Hotels | Driving Directions

Use HTL Address Research for a Missouri Address and get...

Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2021, data includes home values, household income, percentage of homes owned, rented or vacant, etc.

Quick & Easy Ways to...

  1. Get Current Demographic Data for Cities, Towns, and ZIP Codes
  2. View Boundary Maps, for Cities, Towns, and ZIP Codes
  3. Locate Physical, Cultural, and Historical Features

Missouri Census Data Comparison Tool

Compare Missouri July 1, 2021 Data
Highest or Lowest: