50621 ZIP Code, Conrad, IA
50621 is a ZIP code in Conrad, Iowa — mostly in Grundy County (84% of its land), with smaller parts in Marshall County. It covers 63 square miles of land. The closest ZIP codes are 50269, 50609 and 50148. 1,601 people live here in 656 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (78%). Median household income is $88,077, above the Iowa median of $75,059; the median age is 47.8, older than most ZIP codes.
Quick facts
- Mailing city: Conrad, IA
- County: Grundy County
- Land area: 63 sq mi
- Population: 1,601
- Median household income: $88,077
Key figures
| Measure | Value |
|---|---|
| Residents | 1,601 |
| Households | 656 |
| Median household income | $88,077 |
| Income per person | $45,311 |
| Median age | 47.8 |
| Homeowners | 78.2% |
| Median home value | $214,700 |
| Median rent | $840 |
| Bachelor's degree or higher | 29.6% |
| Average commute (minutes) | 19.6 |
| Households with kids under 18 | 27.4% |
| Moved in the past year | 9.7% |
| Below the poverty line | 3.9% |
| Broadband internet | 80.6% |
| Speak a non-English language at home | 3.1% |
Household income
| % of households | Value |
|---|---|
| <$10K | 0.0% |
| $10–15K | 0.3% |
| $15–25K | 2.3% |
| $25–35K | 10.8% |
| $35–50K | 11.7% |
| $50–75K | 18.6% |
| $75–100K | 13.9% |
| $100–150K | 19.8% |
| $150–200K | 15.4% |
| $200K+ | 7.2% |
Age
| % of all residents | Value |
|---|---|
| <10 | 8.7% |
| 10–19 | 13.5% |
| 20–24 | 3.9% |
| 25–34 | 12.6% |
| 35–44 | 8.4% |
| 45–54 | 11.6% |
| 55–64 | 12.7% |
| 65–74 | 14.4% |
| 75+ | 14.5% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 40.0% |
| Owned outright | 29.4% |
| Rented | 19.0% |
| Vacant | 11.6% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 72.4% |
| Townhome | 1.5% |
| 2–4 units | 10.4% |
| 5–19 units | 8.1% |
| 20+ units | 3.0% |
| Mobile / other | 4.7% |
Businesses in 50621
48 business establishments with 609 employees (ZIP Codes Business Patterns 2023).
- Administrative and Support and Waste Management and Remediation Services: 8
- Retail Trade: 7
- Wholesale Trade: 6
- Other Services (except Public Administration): 6
- Health Care and Social Assistance: 4
- Manufacturing: 3
- Finance and Insurance: 3
EDDM carrier routes
See every USPS carrier route in 50621 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 50269 — Whitten city, IA (4.8 mi)
- 50609 — Beaman city, IA (5.8 mi)
- 50148 — Liscomb city, IA (6 mi)
- 50258 — Union city, IA (8 mi)
- 50005 — Albion city, IA (9.9 mi)
- 50638 — Grundy Center city, IA (9.9 mi)
- 50627 — Eldora city, IA (11.4 mi)
- 50652 — Lincoln city, IA (11.7 mi)
Areas that include 50621
- Conrad, IA ZIP codes — 1 ZIP code
- Grundy County ZIP codes — 15 ZIP codes
- Marshall County ZIP codes — 17 ZIP codes
- Iowa ZIP code data
Where it ranks
- No. 3 of 11: highest median household income in Grundy County
- No. 4 of 11: highest median home value in Grundy County
- No. 5 of 11: highest share of residents who moved in during the past year in Grundy County
- No. 2 of 11: highest median age in Grundy County
- No. 4 of 11: fastest population growth in Grundy County
Mail every home in 50621
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) 50621, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 50621 in?
- 50621 is a Conrad, IA mailing address. By land area, 2% lies inside Conrad; the rest is outside any Census-defined city or community.
- What county is 50621 in?
- 50621 is mostly in Grundy County (84% of its land), with smaller parts in Marshall County.
- What is the population of 50621?
- About 1,601 people (±162), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 1,450.
- What is the median household income in 50621?
- $88,077 (±$14,332), 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 50621?
- EDDM2GO's stored route library does not include 50621 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 50621?
- The closest, measured center to center: 50269 (4.8 mi, Whitten), 50609 (5.8 mi, Beaman), 50148 (6 mi, Liscomb), 50258 (8 mi, Union), 50005 (9.9 mi, Albion) and 50638 (9.9 mi, Grundy Center).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.