Shelby County, IA ZIP Codes
16 ZIP codes cover all or part of Shelby County, Iowa. The Census Bureau counts 11,778 residents in the county, with a median household income of $72,738 and a median home value of $164,000. Median household income ranges from $61,599 in 51529 to $100,625 in 51454. Its largest communities include Harlan, Shelby, Elk Horn, Earling and Irwin.
Shelby County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 11,778 |
| Households | 4,882 |
| Median household income | $72,738 |
| Median home value | $164,000 |
| Median age | 44.3 |
| Median rent | $783 |
All 16 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 18,457 |
| Households (sum of ZIP codes) | 7,581 |
| Median household income, range across ZIP codes | $61,599 (51529) to $100,625 (51454) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $70,280 |
| Homeowners | 76.8% |
| Households with kids under 18 | 26.5% |
| Moved in the past year | 9.9% |
| Carrier routes in EDDM2GO's route library | 8 routes, 1,214 homes (7 of 16 ZIP codes) |
Top facts
- Highest median household income in Shelby County: 51454 ($100,625)
- Most residents: 51537 (6,382 people)
- Highest homeownership: 51454 (88.4% own their home)
- Most households with kids: 51537 (31.0% of households)
- Most new movers: 51577 (18.4% moved in last year)
- Youngest median age: 51454 (38.6 years)
- Highest median home value: 51570 ($204,700)
Every ZIP code in Shelby County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 51537 | Harlan | 6,382 | 2,538 | $65,000 | $166,800 | 76.1% | 31.0% | 9.4% | — | — | 100% of its land |
| 51521 | Avoca | 1,953 | 878 | $73,769 | $202,800 | 73.3% | 24.5% | 11.0% | — | — | 31% of its land |
| 51529 | Dunlap | 1,732 | 825 | $61,599 | $156,800 | 73.1% | 17.0% | 9.7% | — | — | 15% of its land |
| 51577 | Walnut | 1,561 | 406 | $71,518 | $134,100 | 77.3% | 27.6% | 18.4% | — | — | 31% of its land |
| 51454 | Manilla | 1,254 | 438 | $100,625 | $167,400 | 88.4% | 30.6% | 9.3% | 1 | 352 | 42% of its land |
| 51570 | Shelby | 1,118 | 499 | $77,708 | $204,700 | 73.7% | 20.8% | 9.5% | 1 | 369 | 53% of its land |
| 51531 | Elk Horn | 889 | 389 | $59,199 | $131,500 | 78.4% | 22.6% | 13.0% | — | — | 79% of its land |
| 51530 | Earling | 809 | 365 | $73,750 | $163,800 | 82.2% | 32.6% | 11.8% | 2 | 155 | 100% of its land |
| 51565 | Portsmouth | 516 | 275 | $103,257 | $182,100 | 64.0% | 13.1% | 2.0% | — | — | 74% of its land |
| 51562 | Panama | 506 | 215 | $81,250 | $159,000 | 87.9% | 43.7% | 1.8% | 1 | 94 | 100% of its land |
| 51446 | Irwin | 499 | 231 | $62,750 | $91,400 | 87.4% | 22.5% | 8.7% | 1 | 118 | 100% of its land |
| 51543 | Kimballton | 478 | 159 | $72,083 | $163,000 | 81.8% | 32.1% | 6.5% | — | — | 30% of its land |
| 51527 | Defiance | 362 | 166 | $64,750 | $123,400 | 88.6% | 31.9% | 5.8% | — | — | 83% of its land |
| 51552 | Marne | 169 | 84 | $90,000 | $125,000 | 61.9% | 15.5% | 1.2% | 1 | 93 | 37% of its land |
| 51578 | Westphalia | 116 | 61 | $77,292 | $97,600 | 72.1% | 9.8% | 5.2% | 1 | 54 | 100% of its land |
| 51447 | Kirkman | 113 | 52 | $68,214 | $141,700 | 61.5% | 15.4% | 8.0% | — | — | 100% of its land |
A ZIP code is listed for Shelby 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
- Harlan — 4,891 residents · 1 ZIP code
- Shelby — 752 residents · 1 ZIP code
- Elk Horn — 728 residents · 1 ZIP code
- Earling — 478 residents · 1 ZIP code
- Irwin — 352 residents · 1 ZIP code
- Defiance — 251 residents · 1 ZIP code
- Panama — 245 residents · 1 ZIP code
- Portsmouth — 204 residents · 1 ZIP code
- Westphalia — 117 residents · 2 ZIP codes
- Tennant — 84 residents · 1 ZIP code
- Kirkman — 58 residents · 1 ZIP code
- Corley — 0 residents · 1 ZIP code
- Jacksonville — 0 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Shelby County — 6 ZIP codes ranked
- ZIP codes with the highest home values in Shelby County — 6 ZIP codes ranked
- ZIP codes with the highest homeownership in Shelby County — 6 ZIP codes ranked
- ZIP codes with the most families with kids in Shelby County — 6 ZIP codes ranked
- ZIP codes with the most new movers in Shelby County — 6 ZIP codes ranked
- Youngest ZIP codes in Shelby County — 6 ZIP codes ranked
- Oldest ZIP codes in Shelby County — 6 ZIP codes ranked
- Fastest-growing ZIP codes in Shelby County — 5 ZIP codes ranked
Price a mailing to Shelby County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Shelby County, IA?
- 51537, 51521, 51529, 51577, 51454, 51570, 51531, 51530, 51565, 51562, 51446, 51543, 51527, 51552, 51578 and 51447. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Shelby County?
- 11,778 residents in 4,882 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Shelby County?
- $72,738 for the county as a whole. Its ZIP codes range from $61,599 (51529) to $100,625 (51454).
- Which Shelby County ZIP code has the highest median household income?
- 51454, at $100,625, among ZIP codes with at least 1,000 residents. See the full ranking of Shelby County ZIP codes by income.
- How many carrier routes and mailboxes are in Shelby County?
- For the 7 of 16 ZIP codes in EDDM2GO's stored route library: 8 carrier routes reaching 1,214 residential and 21 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.