Residential delivery area · Michigan
ZIP Code 49931: Houghton, MI
ZIP code 49931 uses the postal name Houghton, Michigan and lies entirely in Houghton County (Census 2020 ZIP-county file). About 10,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $50,408 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Houghton (17%) and Hurontown (under 1%); 82% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Houghton · its only residential ZIP
- County
- Houghton County
- Census places
- Houghton (17%); Hurontown (under 1%) census-designated place
- Micro area
- Houghton, MI
- House district
- MI-1 119th Congress
- State
- Michigan
- Time zone
- Eastern
- Land area
- 26.4 sq mi · 397 people per sq mi
Where is ZIP code 49931?
49931 centers on 47.185°, -88.641° and covers 26.4 square miles of land plus 2.7 of water. It borders 6 ZIP codes: 49930, 49905, 49921, 49922, 49963, 49916.
The map draws ZIP code areas only. For the streets inside 49931, 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 49931 compare with the rest of Houghton County?
| Measure | 49931 | In Houghton County | In MI |
|---|---|---|---|
| People (ACS 2020-2024) | 10,475 | 1st of 19 | 319th of 992 |
| Median household income | $50k | 6th of 6 | 705th of 774 |
| Median home value | $233k | 1st of 5 | 293rd of 779 |
Its median household income is higher than in 15% of U.S. residential ZIP codes, and it is denser than 70% 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 49931?
The 2020 Census counted 10,307 people in 49931; the ACS, which samples households over 2020-2024, estimates 10,475. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 10,475
- 2020 Census count
- 10,307
- Households
- 3,049
- Median age
- 22.1
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 49931?
Of the 10,475 people the ACS estimates in 49931, 11.5% are under 18 and 9.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (81.7%).
- Under 1811.5%
- 18 to 6479.5%
- 65 and older9.0%
- White, not Hispanic81.7%
- Asian, not Hispanic7.5%
- Other or two or more6.1%
- Hispanic or Latino2.4%
- Black, not Hispanic2.3%
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 49931 earn?
Median household income is $50,408 (ACS 2020-2024), the 6th highest of the 6 ranked ZIP codes in Houghton County.
- Median household income
- $50,408±$10,259
- Income per person
- $27,865
- Below the poverty line
- 31.1%
- Unemployed (of the labor force)
- 8.3%
- Adults 25+ with a bachelor's degree
- 62.1%
- Adjusted gross income per tax return, 2022
- $78,7212,790 returns; wages 61% 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 49931?
FHFA's house price index for 49931, built from repeat sales and appraisals of the same homes, rose 112% from 2015 to 2025 and rose 75% from 2020 to 2025, and moved +7.3% in 2025.
- Median home value (owners' estimate)
- $232,800
- Median gross rent
- $972
- Homes owned by their occupants
- 44.1%
- Housing units
- 3,507
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 49931?
287 business establishments had a location in this ZIP code in 2023, 22 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade58
- Accommodation and food services48
- Health care and social assistance36
- Professional, scientific, and technical services29
- Other services (except public administration)28
- Finance and insurance18
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 49931?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 49930 | Hancock | 7,405 | $72k | 3.3 mi |
| 49905 | Atlantic Mine | 2,281 | $78k | 6.0 mi |
| 49921 | Dodgeville | 336 | – | 7.1 mi |
| 49922 | Dollar Bay | 842 | $55k | 8.2 mi |
| 49963 | South Range | 515 | $59k | 9.4 mi |
| 49916 | Chassell | 2,865 | $75k | 14.1 mi |
| 49934 | Hubbell | 772 | $47k | 9.6 mi (near) |
| 49913 | Calumet | 7,510 | $54k | 9.6 mi (near) |
| 49942 | Kearsarge | 55 | $55k | 11.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.