Washtenaw
Source:
Michigan
Washtenaw is a major-metro county in Michigan with 17 ZIP codes, 395,823 people, and top-decile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, Washtenaw, MI sits among US counties with a top-decile household income, on a major-metro county population base, across a multi-ZIP patchwork.
- Top 10%
- household income vs 3,210 US counties
- 395,823
- combined ZIP population
- 17
- USPS ZIP codes covered
- $92,278
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
Washtenaw lands in the national county income distribution as top-decile household income on major-metro county footing (FIPS 26161, 17 ZIPs, combined population 395,823). Sort the ZIP table by population before treating the county mean as uniform.
High-income counties with wide ZIP mosaics hide sharp internal gradients. The densest ZIP here is 48197 (Ypsilanti) with 61,132 residents - open it beside a thin rural code from the table before treating the county mean as uniform. HUD Fair Market Rents and FBI county tables attach to FIPS 26161, so scorecards stay county-keyed while household income stays ZIP-keyed.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
17
Total ZIPs
395,823
Total Population
ZIP Codes in Washtenaw
Side-by-side: Compare 48197 vs 48103 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 48197 | Ypsilanti | 61,132 | 563 |
| 48103 | Ann Arbor | 53,057 | 315 |
| 48104 | Ann Arbor | 38,315 | 1,902 |
| 48198 | Ypsilanti | 38,186 | 439 |
| 48105 | Ann Arbor | 33,905 | 262 |
| 48178 | South Lyon | 29,320 | 224 |
| 48108 | Ann Arbor | 26,164 | 596 |
| 48167 | Northville | 21,534 | 468 |
| 48176 | Saline | 21,447 | 111 |
| 48130 | Dexter | 14,420 | 90 |
| 48160 | Milan | 13,785 | 66 |
| 48189 | Whitmore Lake | 13,632 | 153 |
| 48118 | Chelsea | 12,552 | 55 |
| 48158 | Manchester | 7,309 | 30 |
| 48109 | Ann Arbor | 6,904 | 2,729 |
| 48191 | Willis | 4,054 | 96 |
| 48190 | Whittaker | 107 | 117 |
Frequently Asked Questions
What is the population of Washtenaw?
Washtenaw has a total population of 395,823 across 17 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Washtenaw?
Washtenaw includes 17 ZIP codes: 48197, 48103, 48104, 48198, 48105, 48178, 48108, 48167, 48176, 48130, and more.