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

80540 (Lyons), at 89.0% (±4.3%), among 15 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 Boulder County, CO

These are the 15 ZIP codes in Boulder County with the highest share of owner-occupied homes, out of 15 with at least 1,000 residents. 80540 (Lyons, 89.0%), 80516 (Erie, 88.0%) and 80504 (Longmont, 79.1%) lead the list. There is no single "best" ZIP code in Boulder 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 Boulder County

Rank	ZIP	Mailing city	Owner-occupied homes	Residents	Households	Residential mailboxes
1	80540	Lyons	89.0% ±4.3%	4,642	2,025	1,402
2	80516	Erie	88.0% ±2.6%	39,048	13,616	14,966
3	80504	Longmont	79.1% ±2.1%	63,451	24,077	25,785
4	80304	Boulder	70.0% ±3.1%	25,383	11,358	12,139
5	80027	Louisville	67.5% ±2.7%	34,127	13,180	14,806
6	80020	Broomfield	66.7% ±2.0%	54,201	21,326	22,532
7	80503	Longmont	66.1% ±2.5%	35,846	15,153	15,573
8	80026	Lafayette	65.9% ±3.3%	32,701	13,524	15,023
9	80466	Nederland	65.7% ±10.8%	3,599	1,670	710
10	80305	Boulder	60.2% ±3.5%	16,291	6,976	7,285
11	80501	Longmont	58.5% ±2.8%	44,147	18,945	19,651
12	80301	Boulder	54.9% ±3.0%	25,007	12,371	13,814
13	80303	Boulder	43.9% ±2.8%	24,996	11,783	12,581
14	80302	Boulder	38.9% ±2.7%	29,569	12,425	12,329
15	80310	Boulder	0.0% ±100.0%	7,692	2	—

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; 15 of 21 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 64,256 households, on 111 carrier routes with 69,098 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 80540 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 Boulder County has the highest share of owner-occupied homes?: 80540 (Lyons), at 89.0% (±4.3%), among 15 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.