Iowa County, IA ZIP Codes
17 ZIP codes cover all or part of Iowa County, Iowa. The Census Bureau counts 16,507 residents in the county, with a median household income of $71,223 and a median home value of $193,900. Median household income ranges from $57,321 in 52356 to $101,950 in 52203. Its largest communities include Williamsburg, Marengo, Victor, North English and Amana.
Iowa County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 16,507 |
| Households | 6,909 |
| Median household income | $71,223 |
| Median home value | $193,900 |
| Median age | 42.4 |
| Median rent | $686 |
All 17 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 23,584 |
| Households (sum of ZIP codes) | 9,861 |
| Median household income, range across ZIP codes | $57,321 (52356) to $101,950 (52203) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $70,726 |
| Homeowners | 78.3% |
| Households with kids under 18 | 27.1% |
| Moved in the past year | 8.5% |
| Carrier routes in EDDM2GO's route library | 14 routes, 3,685 homes (7 of 17 ZIP codes) |
Top facts
- Highest median household income in Iowa County: 52203 ($101,950)
- Most residents: 52361 (4,582 people)
- Highest homeownership: 52347 (91.3% own their home)
- Most households with kids: 52356 (32.3% of households)
- Most new movers: 52361 (11.5% moved in last year)
- Youngest median age: 52361 (39.9 years)
- Highest median home value: 52203 ($297,100)
Every ZIP code in Iowa County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 52361 | Williamsburg | 4,582 | 2,015 | $60,992 | $211,200 | 66.3% | 23.3% | 11.5% | — | — | 100% of its land |
| 52301 | Marengo | 4,028 | 1,681 | $70,150 | $160,300 | 77.1% | 27.1% | 8.3% | — | — | 96% of its land |
| 52208 | Belle Plaine | 2,877 | 1,259 | $74,127 | $120,700 | 82.0% | 19.5% | 8.4% | 5 | 1,457 | 27% of its land |
| 52356 | Wellman | 2,664 | 1,076 | $57,321 | $227,800 | 80.0% | 32.3% | 9.2% | 3 | 970 | 17% of its land |
| 52203 | Amana | 2,231 | 842 | $101,950 | $297,100 | 86.1% | 29.7% | 4.1% | — | — | 79% of its land |
| 52316 | North English | 1,597 | 631 | $60,768 | $150,600 | 74.5% | 31.2% | 11.2% | 2 | 613 | 87% of its land |
| 52347 | Victor | 1,386 | 527 | $78,482 | $144,700 | 91.3% | 28.5% | 7.6% | — | — | 67% of its land |
| 52318 | Norway | 1,099 | 445 | $85,625 | $188,400 | 83.6% | 22.0% | 6.3% | 1 | 276 | 18% of its land |
| 52222 | Deep River | 631 | 285 | $81,964 | $120,500 | 86.3% | 30.9% | 5.4% | 1 | 175 | 29% of its land |
| 52236 | Homestead | 564 | 221 | $87,958 | $191,500 | 100.0% | 36.7% | 16.8% | 1 | 229 | 100% of its land |
| 52251 | Ladora | 544 | 207 | $87,708 | $120,300 | 91.3% | 38.2% | 4.0% | — | — | 100% of its land |
| 52325 | Parnell | 477 | 226 | $75,714 | — | 80.5% | 37.6% | 2.9% | — | — | 86% of its land |
| 52221 | Guernsey | 332 | 137 | $86,473 | $228,000 | 82.5% | 43.1% | 13.3% | — | — | 15% of its land |
| 52220 | Conroy | 199 | 100 | — | $213,000 | 61.0% | 21.0% | 0.0% | — | — | 100% of its land |
| 52334 | South Amana | 181 | 71 | — | $172,700 | 84.5% | 53.5% | 0.0% | 1 | 107 | 100% of its land |
| 52308 | Millersburg | 129 | 75 | $79,688 | $106,500 | 88.0% | 12.0% | 7.0% | — | — | 100% of its land |
| 52307 | Middle Amana | 63 | 63 | $43,388 | — | 12.7% | 0.0% | 0.0% | — | — | 100% of its land |
A ZIP code is listed for Iowa 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
- Williamsburg — 3,360 residents · 1 ZIP code
- Marengo — 2,725 residents · 1 ZIP code
- Victor — 987 residents · 1 ZIP code
- North English — 852 residents · 1 ZIP code
- Amana — 755 residents · 1 ZIP code
- Middle Amana — 683 residents · 2 ZIP codes
- Parnell — 303 residents · 1 ZIP code
- Homestead — 252 residents · 1 ZIP code
- Ladora — 240 residents · 1 ZIP code
- Conroy — 199 residents · 1 ZIP code
- Millersburg — 129 residents · 1 ZIP code
- West Amana — 124 residents · 1 ZIP code
- South Amana — 121 residents · 1 ZIP code
- East Amana — 91 residents · 1 ZIP code
- High Amana — 36 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Iowa County — 8 ZIP codes ranked
- ZIP codes with the highest home values in Iowa County — 8 ZIP codes ranked
- ZIP codes with the highest homeownership in Iowa County — 8 ZIP codes ranked
- ZIP codes with the most families with kids in Iowa County — 8 ZIP codes ranked
- ZIP codes with the most new movers in Iowa County — 8 ZIP codes ranked
- Youngest ZIP codes in Iowa County — 8 ZIP codes ranked
- Oldest ZIP codes in Iowa County — 8 ZIP codes ranked
- Fastest-growing ZIP codes in Iowa County — 7 ZIP codes ranked
Price a mailing to Iowa County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Iowa County, IA?
- 52361, 52301, 52208, 52356, 52203, 52316, 52347, 52318, 52222, 52236, 52251, 52325, 52221, 52220, 52334, 52308 and 52307. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Iowa County?
- 16,507 residents in 6,909 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Iowa County?
- $71,223 for the county as a whole. Its ZIP codes range from $57,321 (52356) to $101,950 (52203).
- Which Iowa County ZIP code has the highest median household income?
- 52203, at $101,950, among ZIP codes with at least 1,000 residents. See the full ranking of Iowa County ZIP codes by income.
- How many carrier routes and mailboxes are in Iowa County?
- For the 7 of 17 ZIP codes in EDDM2GO's stored route library: 14 carrier routes reaching 3,685 residential and 142 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.