Which ZIP code in Washtenaw County has the highest share of owner-occupied homes?

49240 (Grass Lake), at 92.6% (±2.4%), among 21 ZIP codes with at least 1,000 residents.

Why are some ZIP codes missing?

ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

ZIP codes with the highest homeownership in Washtenaw County, MI

These are the 21 ZIP codes in Washtenaw County with the highest share of owner-occupied homes, out of 21 with at least 1,000 residents. 49240 (Grass Lake, 92.6%), 48178 (South Lyon, 91.2%) and 48191 (Willis, 90.9%) lead the list. There is no single "best" ZIP code in Washtenaw County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

ZIP codes with the highest homeownership in Washtenaw County

Rank	ZIP	Mailing city	Owner-occupied homes	Residents	Households	Residential mailboxes
1	49240	Grass Lake	92.6% ±2.4%	8,863	3,629	3,760
2	48178	South Lyon	91.2% ±1.5%	37,789	13,953	15,616
3	48191	Willis	90.9% ±4.1%	4,403	1,662	—
4	48168	Northville	90.3% ±3.7%	25,038	9,058	9,473
5	48158	Manchester	90.1% ±3.7%	7,770	3,149	3,021
6	49236	Clinton	89.1% ±4.4%	5,026	1,928	1,933
7	48137	Gregory	88.2% ±6.2%	4,157	1,857	—
8	48130	Dexter	88.1% ±3.2%	16,986	6,268	6,438
9	48176	Saline	83.8% ±2.7%	23,451	8,910	9,514
10	48160	Milan	80.6% ±4.2%	13,972	4,947	5,126
11	48118	Chelsea	80.2% ±4.3%	13,246	5,733	5,998
12	48170	Plymouth	79.6% ±2.2%	40,076	17,308	18,522
13	48189	Whitmore Lake	79.3% ±4.9%	13,893	5,833	—
14	48167	Northville	74.1% ±3.3%	24,713	10,593	—
15	48103	Ann Arbor	66.5% ±1.8%	55,054	24,258	—
16	48198	Ypsilanti	57.5% ±2.3%	39,244	16,471	17,831
17	48108	Ann Arbor	55.4% ±2.8%	27,666	12,347	12,601
18	48197	Ypsilanti	53.9% ±1.9%	66,525	27,559	—
19	48105	Ann Arbor	50.1% ±2.8%	37,048	15,689	—
20	48104	Ann Arbor	36.9% ±2.7%	43,979	17,526	19,118
21	48109	Ann Arbor	0.0% ±17.4%	5,939	156	—

How we ranked them

Ranked by the share of occupied homes that are owner-occupied (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 21 of 22 qualify.

Which of these to mail, and why

Homeowners make the decisions about roofs, HVAC, lawns, solar and insurance. A high owner share means fewer pieces wasted on renters who can't hire the work.

The top five ZIP codes on this list hold 31,451 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 49240 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Washtenaw County has the highest share of owner-occupied homes?: 49240 (Grass Lake), at 92.6% (±2.4%), among 21 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by the share of occupied homes that are owner-occupied (ACS 5-year estimates, 2020–2024).
Why are some ZIP codes missing?: ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.