Lake County, MI ZIP Codes
8 ZIP codes cover all or part of Lake County, Michigan: 49677, 49304, 49688, 49656, 49644, 49402, 49623 and 49642. The Census Bureau counts 12,563 residents in the county, with a median household income of $50,805 and a median home value of $133,900. Median household income ranges from $45,991 in 49304 to $63,875 in 49688. Its largest communities include Baldwin and Luther.
Lake County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 12,563 |
| Households | 5,190 |
| Median household income | $50,805 |
| Median home value | $133,900 |
| Median age | 50.5 |
| Median rent | $875 |
All 8 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 21,949 |
| Households (sum of ZIP codes) | 9,010 |
| Median household income, range across ZIP codes | $45,991 (49304) to $63,875 (49688) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $54,735 |
| Homeowners | 81.3% |
| Households with kids under 18 | 22.5% |
| Moved in the past year | 9.7% |
| Carrier routes in EDDM2GO's route library | 14 routes, 6,477 homes (6 of 8 ZIP codes) |
Top facts
- Highest median household income in Lake County: 49688 ($63,875)
- Most residents: 49677 (7,028 people)
- Highest homeownership: 49644 (93.8% own their home)
- Most households with kids: 49688 (34.9% of households)
- Most new movers: 49644 (13.1% moved in last year)
- Youngest median age: 49688 (39.0 years)
- Highest median home value: 49688 ($188,500)
Every ZIP code in Lake County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 49677 | Reed City | 7,028 | 2,861 | $59,112 | $142,000 | 78.5% | 28.1% | 7.6% | — | — | 30% of its land |
| 49304 | Baldwin | 5,408 | 2,220 | $45,991 | $116,000 | 74.5% | 19.3% | 12.8% | 4 | 2,285 | 100% of its land |
| 49688 | Tustin | 2,508 | 920 | $63,875 | $188,500 | 83.9% | 34.9% | 9.4% | 3 | 1,027 | 10% of its land |
| 49656 | Luther | 1,908 | 708 | $56,656 | $135,500 | 79.1% | 21.8% | 9.4% | 2 | 746 | 100% of its land |
| 49644 | Irons | 1,715 | 823 | $54,013 | $175,400 | 93.8% | 7.2% | 13.1% | 2 | 1,295 | 93% of its land |
| 49402 | Branch | 1,411 | 670 | $51,324 | $169,800 | 93.0% | 12.8% | 6.3% | 2 | 830 | 52% of its land |
| 49623 | Chase | 986 | 426 | $60,147 | $132,900 | 89.9% | 19.7% | 2.7% | — | — | 100% of its land |
| 49642 | Idlewild | 985 | 382 | $26,950 | $116,100 | 81.9% | 23.6% | 15.0% | 1 | 440 | 100% of its land |
A ZIP code is listed for Lake County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
Rankings
- Richest ZIP codes in Lake County — 6 ZIP codes ranked
- ZIP codes with the highest home values in Lake County — 6 ZIP codes ranked
- ZIP codes with the highest homeownership in Lake County — 6 ZIP codes ranked
- ZIP codes with the most families with kids in Lake County — 6 ZIP codes ranked
- ZIP codes with the most new movers in Lake County — 6 ZIP codes ranked
- Youngest ZIP codes in Lake County — 6 ZIP codes ranked
- Oldest ZIP codes in Lake County — 6 ZIP codes ranked
- Fastest-growing ZIP codes in Lake County — 6 ZIP codes ranked
Price a mailing to Lake County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Lake County, MI?
- 49677, 49304, 49688, 49656, 49644, 49402, 49623 and 49642. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Lake County?
- 12,563 residents in 5,190 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Lake County?
- $50,805 for the county as a whole. Its ZIP codes range from $45,991 (49304) to $63,875 (49688).
- Which Lake County ZIP code has the highest median household income?
- 49688, at $63,875, among ZIP codes with at least 1,000 residents. See the full ranking of Lake County ZIP codes by income.
- How many carrier routes and mailboxes are in Lake County?
- For the 6 of 8 ZIP codes in EDDM2GO's stored route library: 14 carrier routes reaching 6,477 residential and 145 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.