Buchanan County, IA ZIP Codes
14 ZIP codes cover all or part of Buchanan County, Iowa. The Census Bureau counts 20,694 residents in the county, with a median household income of $78,236 and a median home value of $176,000. Median household income ranges from $67,115 in 50641 to $103,106 in 50629. Its largest communities include Independence, Fairbank, Winthrop, Hazleton and Quasqueton.
Buchanan County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 20,694 |
| Households | 8,252 |
| Median household income | $78,236 |
| Median home value | $176,000 |
| Median age | 40.3 |
| Median rent | $848 |
All 14 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 25,489 |
| Households (sum of ZIP codes) | 10,201 |
| Median household income, range across ZIP codes | $67,115 (50641) to $103,106 (50629) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $85,925 |
| Homeowners | 83.2% |
| Households with kids under 18 | 31.2% |
| Moved in the past year | 9.4% |
| Carrier routes in EDDM2GO's route library | 25 routes, 7,930 homes (9 of 14 ZIP codes) |
Top facts
- Highest median household income in Buchanan County: 50629 ($103,106)
- Most residents: 50644 (8,419 people)
- Highest homeownership: 52218 (92.3% own their home)
- Most households with kids: 50641 (42.8% of households)
- Most new movers: 50644 (11.1% moved in last year)
- Youngest median age: 50641 (25.9 years)
- Highest median home value: 52352 ($231,300)
Every ZIP code in Buchanan County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50644 | Independence | 8,419 | 3,640 | $80,026 | $186,600 | 78.5% | 26.8% | 11.1% | 8 | 4,168 | 100% of its land |
| 50648 | Jesup | 4,269 | 1,629 | $95,353 | $226,400 | 86.6% | 39.0% | 10.9% | 4 | 1,523 | 42% of its land |
| 50629 | Fairbank | 2,082 | 800 | $103,106 | $207,100 | 87.5% | 33.0% | 10.1% | — | — | 32% of its land |
| 50641 | Hazleton | 1,950 | 624 | $67,115 | $156,000 | 88.9% | 42.8% | 7.9% | — | — | 100% of its land |
| 52352 | Walker | 1,833 | 669 | $92,321 | $231,300 | 85.4% | 37.2% | 4.1% | 3 | 613 | 36% of its land |
| 50682 | Winthrop | 1,692 | 610 | $89,375 | $183,800 | 83.8% | 35.1% | 7.5% | 3 | 536 | 100% of its land |
| 52218 | Coggon | 1,413 | 635 | $82,344 | $180,700 | 92.3% | 26.0% | 7.8% | 3 | 565 | 24% of its land |
| 52210 | Brandon | 958 | 350 | $70,714 | $157,800 | 80.6% | 28.3% | 7.1% | 1 | 275 | 99% of its land |
| 52326 | Quasqueton | 694 | 282 | $76,250 | $144,400 | 87.2% | 36.2% | 10.2% | 1 | 194 | 100% of its land |
| 52329 | Rowley | 671 | 280 | $57,500 | $171,000 | 88.2% | 22.1% | 3.3% | — | — | 100% of its land |
| 50650 | Lamont | 648 | 286 | $57,500 | $120,500 | 73.4% | 25.5% | 19.6% | 1 | 233 | 69% of its land |
| 50607 | Aurora | 403 | 171 | $54,583 | $143,300 | 94.7% | 25.7% | 5.0% | — | — | 70% of its land |
| 50654 | Masonville | 275 | 133 | $53,264 | $124,100 | 75.9% | 12.8% | 0.7% | 1 | 161 | 52% of its land |
| 50671 | Stanley | 182 | 92 | $57,212 | $107,800 | 54.3% | 14.1% | 1.6% | — | — | 39% of its land |
A ZIP code is listed for Buchanan 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
- Independence — 6,164 residents · 1 ZIP code
- Fairbank — 1,275 residents · 1 ZIP code
- Winthrop — 1,040 residents · 1 ZIP code
- Hazleton — 720 residents · 1 ZIP code
- Quasqueton — 703 residents · 2 ZIP codes
- Lamont — 514 residents · 1 ZIP code
- Rowley — 353 residents · 1 ZIP code
- Brandon — 307 residents · 1 ZIP code
- Aurora — 214 residents · 1 ZIP code
- Masonville — 68 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Buchanan County — 7 ZIP codes ranked
- ZIP codes with the highest home values in Buchanan County — 7 ZIP codes ranked
- ZIP codes with the highest homeownership in Buchanan County — 7 ZIP codes ranked
- ZIP codes with the most families with kids in Buchanan County — 7 ZIP codes ranked
- ZIP codes with the most new movers in Buchanan County — 7 ZIP codes ranked
- Youngest ZIP codes in Buchanan County — 7 ZIP codes ranked
- Oldest ZIP codes in Buchanan County — 7 ZIP codes ranked
- Fastest-growing ZIP codes in Buchanan County — 7 ZIP codes ranked
Price a mailing to Buchanan County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Buchanan County, IA?
- 50644, 50648, 50629, 50641, 52352, 50682, 52218, 52210, 52326, 52329, 50650, 50607, 50654 and 50671. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Buchanan County?
- 20,694 residents in 8,252 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Buchanan County?
- $78,236 for the county as a whole. Its ZIP codes range from $67,115 (50641) to $103,106 (50629).
- Which Buchanan County ZIP code has the highest median household income?
- 50629, at $103,106, among ZIP codes with at least 1,000 residents. See the full ranking of Buchanan County ZIP codes by income.
- How many carrier routes and mailboxes are in Buchanan County?
- For the 9 of 14 ZIP codes in EDDM2GO's stored route library: 25 carrier routes reaching 7,930 residential and 339 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.