Which ZIP code in Cerro Gordo County has the highest share of residents who moved in during the past year?

50401 (Mason City), at 12.9%, among 6 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 most new movers in Cerro Gordo County, IA

These are the 6 ZIP codes in Cerro Gordo County with the highest share of residents who moved in during the past year, out of 6 with at least 1,000 residents. 50401 (Mason City, 12.9%), 50475 (Sheffield, 12.6%) and 50458 (Nora Springs, 10.4%) lead the list. There is no single "best" ZIP code in Cerro Gordo 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 most new movers in Cerro Gordo County

Rank	ZIP	Mailing city	Moved in the past year	Residents	Households	Residential mailboxes
1	50401	Mason City	12.9%	28,703	13,321	—
2	50475	Sheffield	12.6%	1,446	596	—
3	50458	Nora Springs	10.4%	2,094	794	592
4	50428	Clear Lake	9.8%	9,071	4,186	5,169
5	50468	Rockford	6.5%	1,617	653	591
6	50469	Rockwell	3.4%	1,527	635	—

How we ranked them

Ranked by the share of residents (age 1 and over) who lived in a different home a year earlier (ACS Data Profile, 2020–2024). No margin of error is published for this share in our files. ZIP codes need at least 1,000 residents to be ranked; 6 of 14 qualify.

Which of these to mail, and why

New residents are still choosing a dentist, a gym, a pizza place and a lawn service. ZIP codes with high turnover give a welcome offer more people to work on each year.

The top five ZIP codes on this list hold 19,550 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 50401 on the EDDM route map

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Frequently asked questions

Which ZIP code in Cerro Gordo County has the highest share of residents who moved in during the past year?: 50401 (Mason City), at 12.9%, among 6 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by the share of residents (age 1 and over) who lived in a different home a year earlier (ACS Data Profile, 2020–2024). No margin of error is published for this share in our files.
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.