51537 ZIP Code, Harlan, IA
51537 is a ZIP code in Harlan, Iowa in Shelby County. It covers 164 square miles of land. The closest ZIP codes are 51578, 51447 and 51446. 6,382 people live here in 2,538 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (76%). Median household income is $65,000, below the Iowa median of $75,059.
Quick facts
- Mailing city: Harlan, IA
- County: Shelby County
- Land area: 164 sq mi
- Population: 6,382
- Median household income: $65,000
Key figures
| Measure | Value |
|---|---|
| Residents | 6,382 |
| Households | 2,538 |
| Median household income | $65,000 |
| Income per person | $37,951 |
| Median age | 43 |
| Homeowners | 76.1% |
| Median home value | $166,800 |
| Median rent | $790 |
| Bachelor's degree or higher | 25.1% |
| Average commute (minutes) | 14 |
| Households with kids under 18 | 31.0% |
| Moved in the past year | 9.4% |
| Below the poverty line | 7.3% |
| Broadband internet | 85.5% |
| Speak a non-English language at home | 3.3% |
Household income
| % of households | Value |
|---|---|
| <$10K | 2.0% |
| $10–15K | 4.9% |
| $15–25K | 9.9% |
| $25–35K | 8.3% |
| $35–50K | 12.7% |
| $50–75K | 15.6% |
| $75–100K | 10.9% |
| $100–150K | 17.2% |
| $150–200K | 10.2% |
| $200K+ | 8.4% |
Age
| % of all residents | Value |
|---|---|
| <10 | 11.0% |
| 10–19 | 17.0% |
| 20–24 | 3.9% |
| 25–34 | 8.9% |
| 35–44 | 10.5% |
| 45–54 | 8.7% |
| 55–64 | 16.6% |
| 65–74 | 12.0% |
| 75+ | 11.5% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 38.3% |
| Owned outright | 30.5% |
| Rented | 21.2% |
| Vacant | 10.1% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 82.2% |
| Townhome | 0.9% |
| 2–4 units | 4.8% |
| 5–19 units | 1.5% |
| 20+ units | 3.7% |
| Mobile / other | 6.9% |
Businesses in 51537
243 business establishments with 3,390 employees (ZIP Codes Business Patterns 2023).
- Health Care and Social Assistance: 35
- Retail Trade: 31
- Other Services (except Public Administration): 26
- Finance and Insurance: 23
- Accommodation and Food Services: 20
- Construction: 17
- Transportation and Warehousing: 16
- Manufacturing: 15
EDDM carrier routes
See every USPS carrier route in 51537 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 51578 — Westphalia city, IA (7 mi)
- 51447 — Kirkman city, IA (7.3 mi)
- 51446 — Irwin city, IA (10.3 mi)
- 51562 — Panama city, IA (11.4 mi)
- 51521 — Avoca city, IA (11.6 mi)
- 51531 — Elk Horn city, IA (11.6 mi)
- 51543 — Kimballton city, IA (11.6 mi)
- 51530 — Earling city, IA (11.7 mi)
Areas that include 51537
- Harlan, IA ZIP codes — 1 ZIP code
- Westphalia, IA ZIP codes — 2 ZIP codes
- Tennant, IA ZIP codes — 1 ZIP code
- Corley, IA ZIP codes — 1 ZIP code
- Jacksonville, IA ZIP codes — 1 ZIP code
- Shelby County ZIP codes — 16 ZIP codes
- Iowa ZIP code data
Where it ranks
- No. 5 of 6: highest median household income in Shelby County
- No. 4 of 6: highest median home value in Shelby County
- No. 3 of 6: highest share of owner-occupied homes in Shelby County
- No. 1 of 6: highest share of households with children in Shelby County
- No. 5 of 6: highest share of residents who moved in during the past year in Shelby County
- No. 3 of 6: lowest median age in Shelby County
- No. 4 of 6: highest median age in Shelby County
- No. 3 of 5: fastest population growth in Shelby County
Mail every home in 51537
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) 51537, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 51537 in?
- 51537 is a Harlan, IA mailing address. By land area, 3% lies inside Harlan; the rest is outside any Census-defined city or community.
- What county is 51537 in?
- 51537 is in Shelby County.
- What is the population of 51537?
- About 6,382 people (±316), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 6,509.
- What is the median household income in 51537?
- $65,000 (±$15,588), 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 51537?
- EDDM2GO's stored route library does not include 51537 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 51537?
- The closest, measured center to center: 51578 (7 mi, Westphalia), 51447 (7.3 mi, Kirkman), 51446 (10.3 mi, Irwin), 51562 (11.4 mi, Panama), 51521 (11.6 mi, Avoca) and 51531 (11.6 mi, Elk Horn).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.