Residential delivery area · Michigan
ZIP Code 48840: Haslett, MI
ZIP code 48840 is in Haslett, Michigan, mostly in Ingham County (61% of its land), reaching into Shiawassee County and Clinton County (Census 2020 ZIP-county file). About 12,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $73,408 (Census Bureau, ACS 2020-2024). By Census place, 51% of its land lies in Haslett (a census-designated place); 49% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Haslett · its only residential ZIP
- County
- Ingham County (61%); Shiawassee County (20%); Clinton County (19%)
- Census places
- Haslett census-designated place
- Metro area
- Lansing-East Lansing, MI
- House district
- MI-7 119th Congress
- State
- Michigan
- Time zone
- Eastern
- Land area
- 18.8 sq mi · 659 people per sq mi
Where is ZIP code 48840?
48840 centers on 42.763°, -84.379° and covers 18.8 square miles of land plus 1.1 of water. It borders 5 ZIP codes: 48823, 48864, 48895, 48848, 48872.
The map draws ZIP code areas only. For the streets inside 48840, 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 48840 compare with the rest of Ingham County?
| Measure | 48840 | In Ingham County | In MI |
|---|---|---|---|
| People (ACS 2020-2024) | 12,386 | 11th of 23 | 290th of 992 |
| Median household income | $73k | 12th of 20 | 346th of 774 |
| Median home value | $281k | 4th of 21 | 180th of 779 |
Its median household income is higher than in 52% of U.S. residential ZIP codes, and it is denser than 74% 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 48840?
The 2020 Census counted 12,665 people in 48840; the ACS, which samples households over 2020-2024, estimates 12,386. Between the 2010 and 2020 censuses its population grew 1.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 12,386
- 2020 Census count
- 12,665+1.3% since 2010 (12,501)
- Households
- 6,155
- Median age
- 42.4
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 48840?
Of the 12,386 people the ACS estimates in 48840, 16.3% are under 18 and 21.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (80.8%).
- Under 1816.3%
- 18 to 6462.4%
- 65 and older21.3%
- White, not Hispanic80.8%
- Hispanic or Latino8.8%
- Other or two or more4.6%
- Asian, not Hispanic3.8%
- Black, not Hispanic2.0%
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 48840 earn?
Median household income is $73,408 (ACS 2020-2024), the 12th highest of the 20 ranked ZIP codes in Ingham County. It is not measurably different from 2015-2019 ($82,979 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $73,408±$8,335
- Income per person
- $49,157
- Below the poverty line
- 6.4%
- Unemployed (of the labor force)
- 4.2%
- Adults 25+ with a bachelor's degree
- 48.7%
- Adjusted gross income per tax return, 2022
- $90,0856,440 returns; wages 65% 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 48840?
FHFA's house price index for 48840, built from repeat sales and appraisals of the same homes, rose 89% from 2015 to 2025 and rose 50% from 2020 to 2025, and moved +1.8% in 2025.
- Median home value (owners' estimate)
- $280,900
- Median gross rent
- $1,071
- Homes owned by their occupants
- 61.2%
- Housing units
- 6,250
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 48840?
183 business establishments had a location in this ZIP code in 2023, the same count as in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance30
- Professional, scientific, and technical services26
- Other services (except public administration)24
- Construction15
- Accommodation and food services15
- Administrative and support and waste management and remediation services14
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 48840?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 48823 | East Lansing | 50,034 | $52k | 4.1 mi |
| 48864 | Okemos | 23,901 | $121k | 4.1 mi |
| 48895 | Williamston | 11,116 | $93k | 7.2 mi |
| 48848 | Laingsburg | 8,344 | $95k | 8.2 mi |
| 48872 | Perry | 6,142 | $79k | 8.3 mi |
| 48824 | East Lansing | 2,097 | – | 5.6 mi (near) |
| 48808 | Bath | 6,527 | $78k | 5.8 mi (near) |
| 48825 | East Lansing | 11,295 | – | 6.0 mi (near) |
| 48912 | Lansing | 17,674 | $54k | 7.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.