Ottawa, IL ZIP Codes
One ZIP code serves Ottawa, Illinois: 61350. Together they are home to 23,713 residents in 9,756 households.
Ottawa city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 18,447 |
| Households | 7,553 |
| Median household income | $71,413 |
| Median home value | $154,000 |
| Median age | 39.8 |
| Median rent | $920 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 23,713 |
| Households (sum of ZIP codes) | 9,756 |
| Median household income, range across ZIP codes | $77,921 (61350) to $77,921 (61350) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $77,921 |
| Homeowners | 74.1% |
| Households with kids under 18 | 31.2% |
| Moved in the past year | 11.7% |
| Carrier routes in EDDM2GO's route library | 23 routes, 10,903 homes (1 of 1 ZIP codes) |
Every ZIP code in Ottawa
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 61350 | Ottawa | 23,713 | 9,756 | $77,921 | $164,500 | 74.1% | 31.2% | 11.7% | 23 | 11,800 | 10% of its land; mailing city |
A ZIP code is listed for Ottawa when at least 10% of its land lies inside Ottawa city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Ottawa. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Ottawa.
Counties
- LaSalle County — 28 ZIP codes
Price a mailing to Ottawa ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Ottawa, IL?
- 61350. A ZIP code is listed for Ottawa when at least 10% of its land lies inside Ottawa city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Ottawa.
- What is the population of Ottawa, IL?
- The Census Bureau counts 18,447 residents inside Ottawa city limits (ACS 2020–2024). The 1 ZIP code that serve Ottawa hold 23,713 residents in all.
- What is the median household income in Ottawa, IL?
- $71,413 inside Ottawa city limits, per the Census Bureau. Across its ZIP codes the medians run from $77,921 to $77,921.
- How many carrier routes and mailboxes are in Ottawa, IL?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 23 carrier routes reaching 10,903 residential and 896 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.