51243 ZIP Code, Little Rock, IA
51243 is a ZIP code in Little Rock, Iowa — mostly in Lyon County (86% of its land), with smaller parts in Osceola County. It covers 52 square miles of land. The closest ZIP codes are 51249, 51237 and 56129. 735 people live here in 294 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (89%). Median household income is $83,750, above the Iowa median of $75,059.
Quick facts
- Mailing city: Little Rock, IA
- County: Lyon County
- Land area: 52 sq mi
- Population: 735
- Median household income: $83,750
Key figures
| Measure | Value |
|---|---|
| Residents | 735 |
| Households | 294 |
| Median household income | $83,750 |
| Income per person | $39,039 |
| Median age | 40.8 |
| Homeowners | 89.1% |
| Median home value | $92,200 |
| Median rent | $608 |
| Bachelor's degree or higher | 18.0% |
| Average commute (minutes) | 21.9 |
| Households with kids under 18 | 31.3% |
| Moved in the past year | 2.3% |
| Below the poverty line | 5.6% |
| Broadband internet | 87.4% |
| Speak a non-English language at home | 3.0% |
Household income
| % of households | Value |
|---|---|
| <$10K | 3.4% |
| $10–15K | 3.1% |
| $15–25K | 8.2% |
| $25–35K | 3.7% |
| $35–50K | 11.6% |
| $50–75K | 15.0% |
| $75–100K | 29.3% |
| $100–150K | 13.3% |
| $150–200K | 8.5% |
| $200K+ | 4.1% |
Age
| % of all residents | Value |
|---|---|
| <10 | 14.1% |
| 10–19 | 13.5% |
| 20–24 | 7.6% |
| 25–34 | 10.5% |
| 35–44 | 7.8% |
| 45–54 | 15.2% |
| 55–64 | 10.8% |
| 65–74 | 13.3% |
| 75+ | 7.4% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 46.8% |
| Owned outright | 37.7% |
| Rented | 10.3% |
| Vacant | 5.2% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 90.6% |
| Townhome | 0.6% |
| 2–4 units | 0.0% |
| 5–19 units | 0.6% |
| 20+ units | 0.0% |
| Mobile / other | 8.1% |
Businesses in 51243
19 business establishments with 76 employees (ZIP Codes Business Patterns 2023).
- Construction: 4
- Other Services (except Public Administration): 4
EDDM carrier routes
See every USPS carrier route in 51243 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 51249 — Sibley city, IA (8.6 mi)
- 51237 — George city, IA (8.9 mi)
- 56129 — Ellsworth city, MN (9.5 mi)
- 51232 — Ashton city, IA (11 mi)
- 56117 — Bigelow city, MN (11.9 mi)
- 56168 — Rushmore city, MN (12.6 mi)
- 56110 — Adrian city, MN (12.8 mi)
- 51246 — Rock Rapids city, IA (13.5 mi)
Areas that include 51243
- Little Rock, IA ZIP codes — 1 ZIP code
- Lyon County ZIP codes — 9 ZIP codes
- Osceola County ZIP codes — 8 ZIP codes
- Iowa ZIP code data
Mail every home in 51243
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) 51243, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 51243 in?
- 51243 is a Little Rock, IA mailing address. By land area, 2% lies inside Little Rock; the rest is outside any Census-defined city or community.
- What county is 51243 in?
- 51243 is mostly in Lyon County (86% of its land), with smaller parts in Osceola County.
- What is the population of 51243?
- About 735 people (±161), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 742.
- What is the median household income in 51243?
- $83,750 (±$13,028), 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 51243?
- EDDM2GO's stored route library does not include 51243 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 51243?
- The closest, measured center to center: 51249 (8.6 mi, Sibley), 51237 (8.9 mi, George), 56129 (9.5 mi, Ellsworth), 51232 (11 mi, Ashton), 56117 (11.9 mi, Bigelow) and 56168 (12.6 mi, Rushmore).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.