Residential delivery area · Michigan
ZIP Code 48748: National City, MI
ZIP code 48748 uses the postal name National City, Michigan and lies entirely in Iosco County (Census 2020 ZIP-county file). About 1,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $58,750 (Census Bureau, ACS 2020-2024). By Census place, 30% of its land lies in Sand Lake (a census-designated place); 70% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- National City · its only residential ZIP
- County
- Iosco County
- Census places
- Sand Lake census-designated place
- House district
- MI-1 119th Congress
- State
- Michigan
- Time zone
- Eastern
- Land area
- 40.0 sq mi · 38 people per sq mi
Where is ZIP code 48748?
48748 centers on 44.329°, -83.698° and covers 40.0 square miles of land plus 1.3 of water. It borders 6 ZIP codes: 48763, 48739, 48770, 48730, 48765, 48750.
The map draws ZIP code areas only. For the streets inside 48748, 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 48748 compare with the rest of Iosco County?
| Measure | 48748 | In Iosco County | In MI |
|---|---|---|---|
| People (ACS 2020-2024) | 1,537 | 6th of 12 | 743rd of 992 |
| Median household income | $59k | 2nd of 8 | 602nd of 774 |
| Median home value | $162k | 4th of 9 | 574th of 779 |
Its median household income is higher than in 27% of U.S. residential ZIP codes, and it is denser than 37% 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 48748?
The 2020 Census counted 1,678 people in 48748; the ACS, which samples households over 2020-2024, estimates 1,537. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,537±198 (90% margin)
- 2020 Census count
- 1,678
- Households
- 731
- Median age
- 60.6
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 48748?
Of the 1,537 people the ACS estimates in 48748, 11.6% are under 18 and 39.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (93.5%).
- Under 1811.6%
- 18 to 6449.2%
- 65 and older39.2%
- White, not Hispanic93.5%
- Asian, not Hispanic2.9%
- Other or two or more2.7%
- Hispanic or Latino0.9%
- Black, not Hispanic0.0%
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 48748 earn?
Median household income is $58,750 (ACS 2020-2024), the 2nd highest of the 8 ranked ZIP codes in Iosco County.
- Median household income
- $58,750±$7,791
- Income per person
- $34,911
- Below the poverty line
- 16.5%
- Unemployed (of the labor force)
- 4.8%
- Adults 25+ with a bachelor's degree
- 18.9%
- Adjusted gross income per tax return, 2022
- $54,425870 returns; wages 53% 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 48748?
FHFA's house price index for 48748, built from repeat sales and appraisals of the same homes, rose 78% from 2015 to 2025 and rose 59% from 2020 to 2025, and moved +4.6% in 2025.
- Median home value (owners' estimate)
- $161,800
- Median gross rent
- $675
- Homes owned by their occupants
- 92.3%
- Housing units
- 1,812
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 48748?
22 business establishments had a location in this ZIP code in 2023, 1 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction4
- Retail trade4
- Health care and social assistance4
- Accommodation and food services3
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 48748?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 48763 | Tawas City | 4,883 | $60k | 7.1 mi |
| 48739 | Hale | 3,629 | $53k | 7.8 mi |
| 48770 | Whittemore | 1,843 | $50k | 7.9 mi |
| 48730 | East Tawas | 4,584 | $50k | 10.5 mi |
| 48765 | Turner | 535 | $45k | 12.3 mi |
| 48750 | Oscoda | 9,165 | $46k | 13.3 mi |
| 48743 | Long Lake | 30 | – | 11.2 mi (near) |
| 48756 | Prescott | 4,060 | $46k | 15.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.