Chickasaw County, IA ZIP Codes
7 ZIP codes cover all or part of Chickasaw County, Iowa: 50659, 50658, 50630, 52171, 50645, 52154 and 50603. The Census Bureau counts 11,807 residents in the county, with a median household income of $75,675 and a median home value of $182,600. Median household income ranges from $64,408 in 50645 to $94,904 in 52171. Its largest communities include New Hampton, Nashua, Fredericksburg, Lawler and Ionia.
Chickasaw County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 11,807 |
| Households | 4,997 |
| Median household income | $75,675 |
| Median home value | $182,600 |
| Median age | 43.1 |
| Median rent | $738 |
All 7 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 13,164 |
| Households (sum of ZIP codes) | 5,561 |
| Median household income, range across ZIP codes | $64,408 (50645) to $94,904 (52171) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $76,016 |
| Homeowners | 81.2% |
| Households with kids under 18 | 26.9% |
| Moved in the past year | 7.0% |
| Carrier routes in EDDM2GO's route library | 6 routes, 1,713 homes (3 of 7 ZIP codes) |
Top facts
- Highest median household income in Chickasaw County: 52171 ($94,904)
- Most residents: 50659 (5,688 people)
- Highest homeownership: 50645 (90.2% own their home)
- Most households with kids: 50659 (30.9% of households)
- Most new movers: 50658 (10.6% moved in last year)
- Youngest median age: 50658 (41.1 years)
- Highest median home value: 50659 ($206,900)
Every ZIP code in Chickasaw County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50659 | New Hampton | 5,688 | 2,275 | $78,153 | $206,900 | 77.9% | 30.9% | 7.5% | — | — | 100% of its land |
| 50658 | Nashua | 2,450 | 1,093 | $71,936 | $155,100 | 80.5% | 27.6% | 10.6% | 2 | 861 | 55% of its land |
| 50630 | Fredericksburg | 1,372 | 619 | $71,518 | $198,900 | 78.8% | 25.0% | 4.8% | 2 | 538 | 90% of its land |
| 52171 | Waucoma | 1,314 | 477 | $94,904 | $192,100 | 86.4% | 28.9% | 0.8% | — | — | 31% of its land |
| 50645 | Ionia | 1,193 | 571 | $64,408 | $114,600 | 90.2% | 17.2% | 7.7% | — | — | 90% of its land |
| 52154 | Lawler | 592 | 295 | $58,393 | $156,100 | 83.4% | 11.9% | 4.9% | 2 | 339 | 99% of its land |
| 50603 | Alta Vista | 555 | 231 | $74,271 | $122,700 | 86.6% | 29.0% | 7.0% | — | — | 83% of its land |
A ZIP code is listed for Chickasaw County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- New Hampton — 3,453 residents · 1 ZIP code
- Nashua — 1,622 residents · 1 ZIP code
- Fredericksburg — 989 residents · 1 ZIP code
- Lawler — 363 residents · 1 ZIP code
- Ionia — 336 residents · 1 ZIP code
- Alta Vista — 194 residents · 1 ZIP code
- North Washington — 134 residents · 1 ZIP code
- Bassett — 50 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Chickasaw County — 5 ZIP codes ranked
- ZIP codes with the highest home values in Chickasaw County — 5 ZIP codes ranked
- ZIP codes with the highest homeownership in Chickasaw County — 5 ZIP codes ranked
- ZIP codes with the most families with kids in Chickasaw County — 5 ZIP codes ranked
- ZIP codes with the most new movers in Chickasaw County — 5 ZIP codes ranked
- Youngest ZIP codes in Chickasaw County — 5 ZIP codes ranked
- Oldest ZIP codes in Chickasaw County — 5 ZIP codes ranked
Price a mailing to Chickasaw County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Chickasaw County, IA?
- 50659, 50658, 50630, 52171, 50645, 52154 and 50603. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Chickasaw County?
- 11,807 residents in 4,997 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Chickasaw County?
- $75,675 for the county as a whole. Its ZIP codes range from $64,408 (50645) to $94,904 (52171).
- Which Chickasaw County ZIP code has the highest median household income?
- 52171, at $94,904, among ZIP codes with at least 1,000 residents. See the full ranking of Chickasaw County ZIP codes by income.
- How many carrier routes and mailboxes are in Chickasaw County?
- For the 3 of 7 ZIP codes in EDDM2GO's stored route library: 6 carrier routes reaching 1,713 residential and 25 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.