Residential delivery area · Michigan
ZIP Code 49129: Union Pier, MI
ZIP code 49129 uses the postal name Union Pier, Michigan and lies entirely in Berrien County (Census 2020 ZIP-county file). About 670 people live there (Census Bureau, ACS 2020-2024). Median household income is $106,181 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Union Pier · its only residential ZIP
- County
- Berrien County
- Metro area
- Niles, MI
- House district
- MI-5 119th Congress
- State
- Michigan
- Time zone
- Eastern
- Land area
- 5.0 sq mi · 133 people per sq mi
Where is ZIP code 49129?
49129 centers on 41.816°, -86.686° and covers 5.0 square miles of land plus 0.1 of water. It borders 3 ZIP codes: 49116, 49117, 49128.
The map draws ZIP code areas only. For the streets inside 49129, 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 49129 compare with the rest of Berrien County?
| Measure | 49129 | In Berrien County | In MI |
|---|---|---|---|
| People (ACS 2020-2024) | 669 | 19th of 24 | 859th of 992 |
| Median household income | $106k | not ranked | not ranked |
| Median home value | $654k | not ranked | not ranked |
49129's income and home value are not ranked: it has fewer than 1,000 residents (669). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 58% of 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 49129?
The 2020 Census counted 736 people in 49129; the ACS, which samples households over 2020-2024, estimates 669. Between the 2010 and 2020 censuses its population grew 20.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 669±174 (90% margin)
- 2020 Census count
- 736+20.9% since 2010 (609)
- Households
- 321
- Median age
- 61.2
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 49129?
Of the 669 people the ACS estimates in 49129, 14.5% are under 18 and 46.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (88.2%).
- Under 1814.5%
- 18 to 6439.5%
- 65 and older46.0%
- White, not Hispanic88.2%
- Other or two or more6.0%
- Hispanic or Latino2.7%
- Black, not Hispanic2.4%
- Asian, not Hispanic0.7%
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 49129 earn?
Median household income is $106,181 (ACS 2020-2024). It is not measurably different from 2015-2019 ($98,379 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $106,181±$34,876
- Income per person
- $73,979
- Below the poverty line
- 1.5%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 71.9%
- Adjusted gross income per tax return, 2022
- $173,226350 returns; wages 43% 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 49129?
FHFA's house price index for 49129, built from repeat sales and appraisals of the same homes, rose 162% from 2015 to 2025 and rose 105% from 2020 to 2025.
- Median home value (owners' estimate)
- $654,200
- Median gross rent
- –
- Homes owned by their occupants
- 93.8%
- Housing units
- 1,153
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 49129?
38 business establishments had a location in this ZIP code in 2023, 3 fewer than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services10
- Retail trade6
- Real estate and rental and leasing5
- Professional, scientific, and technical services5
- Manufacturing3
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 49129?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 49116 | Lakeside | 86 | $128k | 2.3 mi |
| 49117 | New Buffalo | 3,358 | $75k | 3.2 mi |
| 49128 | Three Oaks | 3,450 | $67k | 4.4 mi |
| 49115 | Harbert | 147 | – | 4.9 mi (near) |
| 49125 | Sawyer | 1,990 | $80k | 7.6 mi (near) |
| 49119 | New Troy | 134 | $57k | 8.2 mi (near) |
| 49113 | Galien | 1,742 | $59k | 9.6 mi (near) |
| 46371 | Rolling Prairie, IN | 3,396 | $100k | 10.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.