Byrnes Mill
City in Jefferson County, Missouri

Byrnes Mill is a city in Jefferson County, Missouri, with 3,173 residents (2020 Census). It sits at 459 ft (140 m) above sea level. The nearest town is Peaceful Village, 2.5 miles NE.
- 3,173residents (2020 Census)
- 459 ftelevation · 140 m
- 5.2 sq miland area · 13.4 km²
- 615 / sq mipopulation density
- 63049ZIP code
About Byrnes Mill
Byrnes Mill is a city in northern Jefferson County, Missouri, United States. The population was 3,173 at the 2020 census.
Text: Wikipedia · CC BY-SA 4.0
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Living in Byrnes Mill
- Median household income
- $98,576
- Median home value
- $306,200
- Median rent
- $1,137/mo
- Median age
- 37.9
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Map of Byrnes Mill
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Open in Google Maps ›Byrnes Mill, MO population
Byrnes Mill had 3,173 residents in the 2020 Census.
| 2020 Census | 3,173 |
|---|---|
| Density | 615 per sq mi (238 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Byrnes Mill at a glance
| State | Missouri (MO) |
|---|---|
| County | Jefferson County |
| Type | City |
| Population | 3,173 (2020) |
| Land area | 5.16 sq mi (13.4 km²) |
| Water area | 0.08 sq mi (0.21 km²) |
| Elevation | 459 ft (140 m) |
| Coordinates | 38.4390° N, 90.5736° W |
| ZIP code | 63049 |
| Census code (GEOID) | 2910240 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Byrnes Mill
- Peaceful Village2.5 mi NE
- High Ridge2.6 mi NE
- Scotsdale3.2 mi S
- Parkdale3.8 mi NE
- Eureka5.7 mi NW
- LaBarque Creek6.0 mi W
- Murphy6.0 mi NE
- Cedar Hill6.7 mi SW
- Lake Tekakwitha7.8 mi W
- Cedar Hill Lakes8.7 mi SW
- Valley Park8.7 mi NE
- Fenton9.1 mi NE
Straight-line distance between town centers.
Frequently asked questions about Byrnes Mill
What county is Byrnes Mill in?
Byrnes Mill is in Jefferson County, Missouri.
What is the population of Byrnes Mill, MO?
3,173 people lived in Byrnes Mill at the 2020 Census.
What is the ZIP code of Byrnes Mill, MO?
The ZIP code of Byrnes Mill is 63049.
What is the elevation of Byrnes Mill?
459 feet (140 m) above sea level.
What towns are near Byrnes Mill?
Peaceful Village (2.5 mi), High Ridge (2.6 mi), Scotsdale (3.2 mi), Parkdale (3.8 mi), Eureka (5.7 mi).
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