51242 ZIP Code, Lester, IA
51242 is a ZIP code in Lester, Iowa in Lyon County. It covers 5.4 square miles of land. The closest ZIP codes are 51230, 51241 and 56138. 379 people live here in 127 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (87%). Median household income is $95,625, above the Iowa median of $75,059; 42% of households have children under 18.
Quick facts
- Mailing city: Lester, IA
- County: Lyon County
- Land area: 5.4 sq mi
- Population: 379
- Median household income: $95,625
Key figures
| Measure | Value |
|---|---|
| Residents | 379 |
| Households | 127 |
| Median household income | $95,625 |
| Income per person | $39,556 |
| Median age | 38.1 |
| Homeowners | 86.6% |
| Median home value | $190,900 |
| Median rent | not published |
| Bachelor's degree or higher | 20.5% |
| Average commute (minutes) | 17.7 |
| Households with kids under 18 | 41.7% |
| Moved in the past year | 6.1% |
| Below the poverty line | 1.3% |
| Broadband internet | 92.9% |
| Speak a non-English language at home | 7.1% |
Household income
| % of households | Value |
|---|---|
| <$10K | 0.0% |
| $10–15K | 0.0% |
| $15–25K | 3.1% |
| $25–35K | 0.8% |
| $35–50K | 10.2% |
| $50–75K | 15.7% |
| $75–100K | 27.6% |
| $100–150K | 22.0% |
| $150–200K | 12.6% |
| $200K+ | 7.9% |
Age
| % of all residents | Value |
|---|---|
| <10 | 14.3% |
| 10–19 | 14.3% |
| 20–24 | 3.4% |
| 25–34 | 14.5% |
| 35–44 | 19.3% |
| 45–54 | 4.0% |
| 55–64 | 10.8% |
| 65–74 | 10.0% |
| 75+ | 9.5% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 45.5% |
| Owned outright | 37.9% |
| Rented | 12.9% |
| Vacant | 3.8% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 90.2% |
| Townhome | 0.8% |
| 2–4 units | 0.0% |
| 5–19 units | 9.1% |
| 20+ units | 0.0% |
| Mobile / other | 0.0% |
Businesses in 51242
16 business establishments with 191 employees (ZIP Codes Business Patterns 2023).
- Construction: 4
- Transportation and Warehousing: 4
- Wholesale Trade: 3
- Other Services (except Public Administration): 3
EDDM carrier routes
See every USPS carrier route in 51242 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 51230 — Alvord city, IA (5.3 mi)
- 51241 — Larchwood city, IA (6.3 mi)
- 56138 — Hills city, MN (7.5 mi)
- 56173 — Steen city, MN (8 mi)
- 51246 — Rock Rapids city, IA (8.7 mi)
- 51240 — Inwood city, IA (10.4 mi)
- 51235 — Doon city, IA (11.3 mi)
- 57068 — Valley Springs city, SD (12.6 mi)
Areas that include 51242
- Lester, IA ZIP codes — 1 ZIP code
- Lyon County ZIP codes — 9 ZIP codes
- Iowa ZIP code data
Mail every home in 51242
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) 51242, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 51242 in?
- 51242 is a Lester, IA mailing address. By land area, 34% lies inside Lester; the rest is outside any Census-defined city or community.
- What county is 51242 in?
- 51242 is in Lyon County.
- What is the population of 51242?
- About 379 people (±104), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 344.
- What is the median household income in 51242?
- $95,625 (±$14,236), 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 51242?
- EDDM2GO's stored route library does not include 51242 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 51242?
- The closest, measured center to center: 51230 (5.3 mi, Alvord), 51241 (6.3 mi, Larchwood), 56138 (7.5 mi, Hills), 56173 (8 mi, Steen), 51246 (8.7 mi, Rock Rapids) and 51240 (10.4 mi, Inwood).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.