51023 ZIP Code, Hawarden, IA
51023 is a ZIP code in Hawarden, Iowa — mostly in Sioux County (70% of its land), with smaller parts in Union County. It covers 120 square miles of land. The closest ZIP codes are 51011, 51027 and 57034. 3,473 people live here in 1,236 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (71%). Median household income is $80,357, close to the Iowa median of $75,059.
Quick facts
- Mailing city: Hawarden, IA
- County: Sioux County
- Land area: 120 sq mi
- Population: 3,473
- Median household income: $80,357
Key figures
| Measure | Value |
|---|---|
| Residents | 3,473 |
| Households | 1,236 |
| Median household income | $80,357 |
| Income per person | $37,539 |
| Median age | 36.9 |
| Homeowners | 70.9% |
| Median home value | $173,300 |
| Median rent | $926 |
| Bachelor's degree or higher | 21.3% |
| Average commute (minutes) | 16 |
| Households with kids under 18 | 33.3% |
| Moved in the past year | 18.5% |
| Below the poverty line | 7.1% |
| Broadband internet | 90.9% |
| Speak a non-English language at home | 19.4% |
Household income
| % of households | Value |
|---|---|
| <$10K | 3.2% |
| $10–15K | 2.6% |
| $15–25K | 7.9% |
| $25–35K | 4.1% |
| $35–50K | 9.5% |
| $50–75K | 18.9% |
| $75–100K | 10.9% |
| $100–150K | 21.9% |
| $150–200K | 7.3% |
| $200K+ | 13.6% |
Age
| % of all residents | Value |
|---|---|
| <10 | 16.7% |
| 10–19 | 13.1% |
| 20–24 | 6.1% |
| 25–34 | 12.3% |
| 35–44 | 9.1% |
| 45–54 | 12.9% |
| 55–64 | 13.5% |
| 65–74 | 7.7% |
| 75+ | 8.6% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 31.2% |
| Owned outright | 34.5% |
| Rented | 26.2% |
| Vacant | 8.1% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 87.3% |
| Townhome | 1.3% |
| 2–4 units | 5.5% |
| 5–19 units | 4.2% |
| 20+ units | 0.2% |
| Mobile / other | 1.5% |
Businesses in 51023
88 business establishments with 920 employees (ZIP Codes Business Patterns 2023).
- Retail Trade: 19
- Health Care and Social Assistance: 12
- Other Services (except Public Administration): 12
- Accommodation and Food Services: 8
- Construction: 6
- Manufacturing: 6
- Wholesale Trade: 6
- Transportation and Warehousing: 5
EDDM carrier routes
See every USPS carrier route in 51023 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 51011 — Chatsworth city, IA (6.8 mi)
- 51027 — Ireton city, IA (7.4 mi)
- 57034 — Hudson town, SD (8.7 mi)
- 57001 — Alcester city, SD (9.8 mi)
- 51001 — Akron city, IA (12.2 mi)
- 57027 — Fairview town, SD (13.1 mi)
- 51036 — Maurice city, IA (14.1 mi)
- 51250 — Sioux Center city, IA (14.3 mi)
Areas that include 51023
- Hawarden, IA ZIP codes — 1 ZIP code
- Chatsworth, IA ZIP codes — 2 ZIP codes
- Sioux County ZIP codes — 16 ZIP codes
- Iowa ZIP code data
Where it ranks
- No. 2 of 11: highest share of residents who moved in during the past year in Sioux County
- No. 4 of 11: highest median age in Sioux County
Mail every home in 51023
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 51023, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 51023 in?
- 51023 is a Hawarden, IA mailing address. By land area, 2% lies inside Hawarden; the rest is outside any Census-defined city or community.
- What county is 51023 in?
- 51023 is mostly in Sioux County (70% of its land), with smaller parts in Union County.
- What is the population of 51023?
- About 3,473 people (±267), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 3,392.
- What is the median household income in 51023?
- $80,357 (±$13,396), compared with $75,059 for Iowa as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 51023?
- EDDM2GO's stored route library does not include 51023 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 51023?
- The closest, measured center to center: 51011 (6.8 mi, Chatsworth), 51027 (7.4 mi, Ireton), 57034 (8.7 mi, Hudson), 57001 (9.8 mi, Alcester), 51001 (12.2 mi, Akron) and 57027 (13.1 mi, Fairview).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.