Richest ZIP codes in Butler County, IA
These are the 8 ZIP codes in Butler County with the highest median household income, out of 8 with at least 1,000 residents. 50660 (New Hartford, $95,969), 50670 (Shell Rock, $84,679) and 50619 (Clarksville, $84,076) lead the list. There is no single "best" ZIP code in Butler County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.
Richest ZIP codes in Butler County
| Rank | ZIP | Mailing city | Median household income | Residents | Households | Residential mailboxes |
|---|---|---|---|---|---|---|
| 1 | 50660 | New Hartford | $95,969 ±$8,885 | 1,143 | 441 | 364 |
| 2 | 50670 | Shell Rock | $84,679 ±$7,591 | 2,270 | 803 | 618 |
| 3 | 50619 | Clarksville | $84,076 ±$14,942 | 2,150 | 893 | — |
| 4 | 50665 | Parkersburg | $75,521 ±$12,037 | 2,693 | 1,112 | — |
| 5 | 50636 | Greene | $70,066 ±$6,624 | 2,186 | 927 | 686 |
| 6 | 50602 | Allison | $67,188 ±$10,365 | 1,254 | 568 | 479 |
| 7 | 50604 | Aplington | $66,776 ±$11,320 | 1,590 | 663 | 676 |
| 8 | 50601 | Ackley | $66,250 ±$12,018 | 2,299 | 1,048 | — |
How we ranked them
Ranked by median household income (ACS 5-year estimates, 2020–2024). The Census Bureau caps published medians at $250,000; ZIP codes at the cap are shown as $250,000+ and ordered by population. ZIP codes need at least 1,000 residents to be ranked; 8 of 14 qualify.
Which of these to mail, and why
Higher-income ZIP codes suit offers with a bigger ticket: remodeling, pools, roofing, financial planning, private schools, premium dining. A median describes the middle household, not every door, so the routes inside each ZIP still vary.
The top five ZIP codes on this list hold 4,176 households. Open any of them on the route map to see each carrier route's own figures before you choose.
Open 50660 on the EDDM route map
More rankings
- ZIP codes with the highest home values in Butler County
- ZIP codes with the highest homeownership in Butler County
- ZIP codes with the most families with kids in Butler County
- ZIP codes with the most new movers in Butler County
- Youngest ZIP codes in Butler County
- Oldest ZIP codes in Butler County
- Fastest-growing ZIP codes in Butler County
- All Butler County ZIP codes
Businesses that mail these ZIP codes
Map it and price it
EDDM guides
Frequently asked questions
- Which ZIP code in Butler County has the highest median household income?
- 50660 (New Hartford), at $95,969 (±$8,885), among 8 ZIP codes with at least 1,000 residents.
- How is this ranking calculated?
- Ranked by median household income (ACS 5-year estimates, 2020–2024). The Census Bureau caps published medians at $250,000; ZIP codes at the cap are shown as $250,000+ and ordered by population.
- 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.