Residential delivery area · Michigan
ZIP Code 48340: Pontiac, MI
ZIP code 48340 is in Pontiac, Michigan, entirely in Oakland County (Census 2020 ZIP-county file). About 26,000 people live there (Census Bureau, ACS 2020-2024), the most populous of Pontiac's 3 residential ZIP codes. Median household income is $47,891 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Pontiac · 3 residential ZIPs
- County
- Oakland County
- Census places
- Pontiac
- Metro area
- Detroit-Warren-Dearborn, MI
- House district
- MI-11 119th Congress
- State
- Michigan
- Time zone
- Eastern
- Land area
- 7.7 sq mi · 3,352 people per sq mi
- PO Box ZIPs
- 48343 also use the name Pontiac
Where is ZIP code 48340?
48340 centers on 42.672°, -83.288° and covers 7.7 square miles of land plus 0.1 of water. It borders 5 ZIP codes: 48342, 48326, 48341, 48328, 48329.
The map draws ZIP code areas only. For the streets inside 48340, 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 48340 compare with the rest of Pontiac?
| Measure | 48340 | In Pontiac | In Oakland County | In MI |
|---|---|---|---|---|
| People (ACS 2020-2024) | 25,669 | 1st of 3 | 14th of 71 | 125th of 992 |
| Median household income | $48k | 2nd of 3 | 69th of 70 | 714th of 774 |
| Median home value | $120k | 2nd of 3 | 70th of 71 | 719th of 779 |
Its median household income is higher than in 12% of U.S. residential ZIP codes, and it is denser than 90% 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 48340?
The 2020 Census counted 26,039 people in 48340; the ACS, which samples households over 2020-2024, estimates 25,669. Between the 2010 and 2020 censuses its population grew 7.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 25,669
- 2020 Census count
- 26,039+7.1% since 2010 (24,307)
- Households
- 11,037
- Median age
- 34.6
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 48340?
Of the 25,669 people the ACS estimates in 48340, 22.5% are under 18 and 13.4% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (33.0%), then Black (not Hispanic) (27.7%).
- Under 1822.5%
- 18 to 6464.1%
- 65 and older13.4%
- Hispanic or Latino33.0%
- Black, not Hispanic27.7%
- White, not Hispanic27.5%
- Other or two or more6.7%
- Asian, not Hispanic5.1%
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 48340 earn?
Median household income is $47,891 (ACS 2020-2024), the 69th highest of the 70 ranked ZIP codes in Oakland County. It is not measurably different from 2015-2019 ($44,023 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $47,891±$6,011
- Income per person
- $26,623
- Below the poverty line
- 21.4%
- Unemployed (of the labor force)
- 10.0%
- Adults 25+ with a bachelor's degree
- 13.9%
- Adjusted gross income per tax return, 2022
- $35,77910,110 returns; wages 82% 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 48340?
FHFA's house price index for 48340, built from repeat sales and appraisals of the same homes, rose 156% from 2015 to 2025 and rose 67% from 2020 to 2025, and moved +6.7% in 2025.
- Median home value (owners' estimate)
- $119,900
- Median gross rent
- $1,135
- Homes owned by their occupants
- 45.7%
- Housing units
- 12,088
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 48340?
326 business establishments had a location in this ZIP code in 2023, 35 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade64
- Other services (except public administration)46
- Accommodation and food services36
- Administrative and support and waste management and remediation services29
- Construction27
- Health care and social assistance20
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 48340?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 48342 | Pontiac | 17,564 | $35k | 2.0 mi |
| 48326 | Auburn Hills | 24,514 | $85k | 2.5 mi |
| 48341 | Pontiac | 18,924 | $51k | 3.2 mi |
| 48328 | Waterford | 24,478 | $72k | 4.1 mi |
| 48329 | Waterford | 24,715 | $86k | 5.2 mi |
| 48359 | Lake Orion | 10,401 | $93k | 3.4 mi (near) |
| 48320 | Keego Harbor | 4,277 | $78k | 4.9 mi (near) |
| 48309 | Rochester | 30,685 | $121k | 5.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.