Which ZIP code in St. Charles County has the highest share of owner-occupied homes?

63332 (Augusta), at 96.8% (±4.6%), among 11 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 St. Charles County, MO

These are the 11 ZIP codes in St. Charles County with the highest share of owner-occupied homes, out of 11 with at least 1,000 residents. 63332 (Augusta, 96.8%), 63341 (Defiance, 95.5%) and 63348 (Foristell, 89.1%) lead the list. There is no single "best" ZIP code in St. Charles 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 St. Charles County

Rank	ZIP	Mailing city	Owner-occupied homes	Residents	Households	Residential mailboxes
1	63332	Augusta	96.8% ±4.6%	1,651	616	625
2	63341	Defiance	95.5% ±4.6%	3,515	1,324	1,558
3	63348	Foristell	89.1% ±4.8%	10,394	3,781	3,253
4	63304	Saint Charles	87.7% ±2.0%	43,195	16,284	17,988
5	63385	Wentzville	83.9% ±2.1%	51,330	18,106	21,803
6	63366	O Fallon	82.1% ±2.3%	54,769	20,967	21,505
7	63368	O Fallon	82.0% ±2.3%	46,966	17,271	18,325
8	63367	Lake Saint Louis	81.5% ±2.7%	29,725	11,125	12,642
9	63376	Saint Peters	81.3% ±1.8%	74,962	30,034	31,724
10	63303	Saint Charles	74.1% ±2.0%	46,089	20,690	21,072
11	63301	Saint Charles	71.8% ±2.2%	52,667	21,462	23,411

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; 11 of 14 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 40,111 households, on 72 carrier routes with 45,227 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 63332 on the EDDM route map

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Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in St. Charles County has the highest share of owner-occupied homes?: 63332 (Augusta), at 96.8% (±4.6%), among 11 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.