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

46373 (Saint John), at 97.1% (±1.3%), among 26 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 Lake County, IN

These are the 25 ZIP codes in Lake County with the highest share of owner-occupied homes, out of 26 with at least 1,000 residents. 46373 (Saint John, 97.1%), 46311 (Dyer, 90.1%) and 46356 (Lowell, 88.5%) lead the list. There is no single "best" ZIP code in Lake 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 Lake County

Rank	ZIP	Mailing city	Owner-occupied homes	Residents	Households	Residential mailboxes
1	46373	Saint John	97.1% ±1.3%	18,843	6,658	7,611
2	46311	Dyer	90.1% ±3.9%	23,321	8,835	9,378
3	46356	Lowell	88.5% ±2.8%	19,721	7,078	8,122
4	46307	Crown Point	88.0% ±1.5%	71,673	25,277	29,022
5	46321	Munster	87.0% ±3.6%	23,733	9,471	9,475
6	46303	Cedar Lake	86.5% ±4.1%	17,680	6,385	8,131
7	46341	Hebron	86.5% ±4.7%	10,048	3,964	4,111
8	46375	Schererville	83.0% ±3.3%	24,188	10,079	10,610
9	46322	Highland	78.4% ±3.3%	23,680	10,440	10,386
10	46405	Lake Station	75.3% ±6.6%	12,184	4,357	4,486
11	46342	Hobart	74.1% ±3.9%	32,224	13,053	13,324
12	46319	Griffith	72.9% ±4.1%	17,847	7,615	7,764
13	46324	Hammond	68.0% ±3.8%	21,409	8,767	8,673
14	46323	Hammond	67.5% ±4.2%	23,047	8,374	8,557
15	46410	Merrillville	66.0% ±3.3%	39,243	16,859	17,463
16	46394	Whiting	65.2% ±5.0%	11,894	4,858	4,655
17	46327	Hammond	61.5% ±7.8%	10,597	3,843	3,665
18	46408	Gary	58.8% ±5.3%	15,747	6,099	6,266
19	46404	Gary	56.4% ±5.5%	15,428	5,873	6,780
20	46403	Gary	48.8% ±4.0%	10,929	4,950	5,631
21	46406	Gary	48.0% ±5.4%	9,001	3,487	3,608
22	46409	Gary	44.5% ±7.3%	7,184	2,648	2,974
23	46402	Gary	43.4% ±7.5%	5,836	2,258	2,578
24	46312	East Chicago	42.9% ±3.9%	26,022	9,943	9,179
25	46320	Hammond	41.2% ±5.5%	14,353	5,480	5,542

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; 26 of 28 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 57,319 households, on 110 carrier routes with 63,608 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 46373 on the EDDM route map

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Frequently asked questions

Which ZIP code in Lake County has the highest share of owner-occupied homes?: 46373 (Saint John), at 97.1% (±1.3%), among 26 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.