What city is ZIP code 48418?

ZIP code 48418 is in Byron, MI (Shiawassee County).

What county is ZIP code 48418 in?

ZIP code 48418 is mostly in Shiawassee County, Michigan.

How many people live in ZIP code 48418?

About 4,484 people live in the 48418 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 48418

Byron, MI, Shiawassee County

Population

4,484

Land area

41sq mi

People per sq mi

109

City

Byron

ZIP 48418 and nearby ZIP codes

Full map

ZIP 48418 at a glance

ZIP 48418 (Byron) is 38% less dense than Michigan as a whole.
The median household income is $74,547, close to the Michigan median.
A typical owner-occupied home is valued at $255,000 (10% above Michigan) and median rent is $1,464 a month.

Local data for ZIP 48418

Counts from official public data

Housing and community stats

ZIP 48418, American Community Survey 2020-2024

Full profile

Median household income

$74,547

Poverty rate

6.2%

Median home value

$255,000

Prices +3.7% in a year

Median rent

$1,464/mo

Homeownership

93.9%

Bachelor's or higher

21.1%

Median age

46.1

Average commute

37.4 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

ZIP Business Patterns 2023

Employees

236

$16.3M annual payroll

PPP loans

$2.8M

75 loans

Campaign donations

$4,747

25% D, 22% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 48418, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: strong wind

Storm events since 1996

360

Countywide, mostly thunderstorm wind

Flood insurance policies

215

1.1% of homes, county

July high / Jan low

83° / 15°F

33.5 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 48418, CDC PLACES estimates

All 40 measures

Obesity

36.8%

U.S. 33.3% +3.5 pts

Diabetes

11.2%

U.S. 12.1% -0.9 pts

Smoking

14.9%

U.S. 12.8% +2.1 pts

Uninsured (18-64)

5.5%

U.S. 11.1% -5.6 pts

Frequently asked questions

What city is ZIP code 48418?: ZIP code 48418 is in Byron, MI (Shiawassee County).
What county is ZIP code 48418 in?: ZIP code 48418 is mostly in Shiawassee County, Michigan.
How many people live in ZIP code 48418?: About 4,484 people live in the 48418 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.