Waterloo, IA ZIP Codes
4 ZIP codes serve Waterloo, Iowa: 50701, 50702, 50703 and 50707. Together they are home to 76,850 residents in 33,433 households. Median household income ranges from $50,060 in 50703 to $63,441 in 50707.
Waterloo city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 67,008 |
| Households | 29,283 |
| Median household income | $57,480 |
| Median home value | $152,600 |
| Median age | 36.7 |
| Median rent | $923 |
All 4 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 76,850 |
| Households (sum of ZIP codes) | 33,433 |
| Median household income, range across ZIP codes | $50,060 (50703) to $63,441 (50707) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $59,281 |
| Homeowners | 63.7% |
| Households with kids under 18 | 26.1% |
| Moved in the past year | 13.9% |
| Carrier routes in EDDM2GO's route library | 17 routes, 8,969 homes (1 of 4 ZIP codes) |
Top facts
- Highest median household income in Waterloo: 50707 ($63,441)
- Most residents: 50701 (30,232 people)
- Highest homeownership: 50707 (69.2% own their home)
- Most households with kids: 50702 (29.2% of households)
- Most new movers: 50703 (18.0% moved in last year)
- Youngest median age: 50702 (36.1 years)
- Highest median home value: 50701 ($183,800)
Every ZIP code in Waterloo
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50701 | Waterloo | 30,232 | 13,656 | $61,475 | $183,800 | 67.2% | 25.7% | 13.7% | — | — | 32% of its land; mailing city |
| 50702 | Waterloo | 20,882 | 8,892 | $62,021 | $150,500 | 61.2% | 29.2% | 10.7% | 17 | 9,738 | 80% of its land; mailing city |
| 50703 | Waterloo | 17,952 | 7,445 | $50,060 | $95,900 | 57.8% | 25.2% | 18.0% | — | — | 26% of its land; mailing city |
| 50707 | Evansdale | 7,784 | 3,440 | $63,441 | $153,700 | 69.2% | 22.1% | 14.1% | — | — | 39% of its land |
A ZIP code is listed for Waterloo when at least 10% of its land lies inside Waterloo city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Waterloo. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Waterloo.
Counties
- Black Hawk County — 15 ZIP codes
Price a mailing to Waterloo ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Waterloo, IA?
- 50701, 50702, 50703 and 50707. A ZIP code is listed for Waterloo when at least 10% of its land lies inside Waterloo city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Waterloo.
- What is the population of Waterloo, IA?
- The Census Bureau counts 67,008 residents inside Waterloo city limits (ACS 2020–2024). The 4 ZIP codes that serve Waterloo hold 76,850 residents in all.
- What is the median household income in Waterloo, IA?
- $57,480 inside Waterloo city limits, per the Census Bureau. Across its ZIP codes the medians run from $50,060 to $63,441.
- Which Waterloo ZIP code has the highest median household income?
- 50707, at $63,441, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Waterloo, IA?
- For the 1 of 4 ZIP codes in EDDM2GO's stored route library: 17 carrier routes reaching 8,969 residential and 769 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.