Residential delivery area · Michigan
ZIP Code 48423: Davison, MI
ZIP code 48423 uses the postal name Davison, Michigan and lies mostly in Genesee County (99% of its land) with the rest in Lapeer County (Census 2020 ZIP-county file). About 34,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $65,079 (Census Bureau, ACS 2020-2024). By Census place, 3% of its land lies in Davison; 97% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Davison · its only residential ZIP
- County
- Genesee County (99%); Lapeer County (1%)
- Census places
- Davison
- Metro area
- Flint, MI
- House districts
- MI-8 (99%), MI-9 (1%) 119th Congress, by share of land
- State
- Michigan
- Time zone
- Eastern
- Land area
- 64.5 sq mi · 524 people per sq mi
Where is ZIP code 48423?
48423 centers on 43.040°, -83.514° and covers 64.5 square miles of land plus 1.5 of water. It borders 8 ZIP codes: 48509, 48506, 48519, 48463, 48438, 48446, 48421, 48439.
The map draws ZIP code areas only. For the streets inside 48423, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 48423 compare with the rest of Genesee County?
| Measure | 48423 | In Genesee County | In MI |
|---|---|---|---|
| People (ACS 2020-2024) | 33,757 | 3rd of 32 | 68th of 992 |
| Median household income | $65k | 19th of 29 | 487th of 774 |
| Median home value | $223k | 8th of 29 | 324th of 779 |
Its median household income is higher than in 39% of U.S. residential ZIP codes, and it is denser than 72% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 48423?
The 2020 Census counted 33,801 people in 48423; the ACS, which samples households over 2020-2024, estimates 33,757. Between the 2010 and 2020 censuses its population grew 3.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 33,757
- 2020 Census count
- 33,801+3.3% since 2010 (32,708)
- Households
- 14,430
- Median age
- 42.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 48423?
Of the 33,757 people the ACS estimates in 48423, 23.0% are under 18 and 21.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (87.6%).
- Under 1823.0%
- 18 to 6455.3%
- 65 and older21.7%
- White, not Hispanic87.6%
- Other or two or more5.4%
- Hispanic or Latino3.7%
- Black, not Hispanic3.1%
- Asian, not Hispanic0.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 48423 earn?
Median household income is $65,079 (ACS 2020-2024), the 19th highest of the 29 ranked ZIP codes in Genesee County. It is not measurably different from 2015-2019 ($66,094 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $65,079
- Income per person
- $36,146
- Below the poverty line
- 11.9%
- Unemployed (of the labor force)
- 6.9%
- Adults 25+ with a bachelor's degree
- 24.2%
- Adjusted gross income per tax return, 2022
- $65,64317,340 returns; wages 69% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 48423?
FHFA's house price index for 48423, built from repeat sales and appraisals of the same homes, rose 99% from 2015 to 2025 and rose 50% from 2020 to 2025, and moved +4.3% in 2025.
- Median home value (owners' estimate)
- $223,100
- Median gross rent
- $1,032
- Homes owned by their occupants
- 65.2%
- Housing units
- 15,118
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 48423?
530 business establishments had a location in this ZIP code in 2023, 31 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance80
- Retail trade75
- Accommodation and food services64
- Construction59
- Other services (except public administration)57
- Professional, scientific, and technical services41
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 48423?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 48509 | Burton | 8,645 | $64k | 4.4 mi |
| 48506 | Flint | 24,712 | $48k | 5.9 mi |
| 48519 | Burton | 8,096 | $64k | 6.1 mi |
| 48463 | Otisville | 4,393 | $73k | 8.7 mi |
| 48438 | Goodrich | 7,591 | $107k | 8.9 mi |
| 48446 | Lapeer | 30,581 | $66k | 8.9 mi |
| 48421 | Columbiaville | 6,935 | $71k | 10.0 mi |
| 48439 | Grand Blanc | 51,900 | $89k | 10.4 mi |
| 48437 | Genesee | 279 | $41k | 7.3 mi (near) |
| 48411 | Atlas | 56 | – | 7.4 mi (near) |
| 48440 | Hadley | 146 | $153k | 7.9 mi (near) |
| 48529 | Burton | 9,339 | $41k | 8.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.