Zip Code 61350
Ottawa, Illinois — La Salle County
📍 ZIP code 61350 is in Ottawa, La Salle County, Illinois.
ZIP code 61350 is located in Ottawa, La Salle County, Illinois. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 23,999. The area code for ZIP code 61350 is 217.
Quick Answer
Zip code 61350 is in Ottawa, Illinois (La Salle County). It has a population of 23,999, median household income of $77,562, and median home value of $157,100.
Population
23,999
Income
$77,562
Home Value
$157,100
Climate
83°F / 15°F
About Zip Code 61350
Zip code 61350 is located in Ottawa, Illinois, within La Salle County. Home to approximately 23,999 residents, this area sits at an elevation of 621 ft and falls within the Central (CST/CDT) timezone. The local area code is 217.
The median household income is $77,562 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $157,100, and the cost of living index is 72 (28% below the national average of 100).
Summers average a high of 83°F while winters drop to 15°F. The area receives about 36 in of rain and 24 in of snow annually. The zip code covers 153.7 square miles of land area and 5.3 square miles of water.
Key Statistics
23,999
$77,562
$157,100
Central (CST/CDT)
217
621 ft
153.7 sq mi
42.3
10,853
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Compare With Nearby Zip Codes
| Metric | 61350 | 61373 | 60557 | 61341 | 61325 | 61348 |
|---|---|---|---|---|---|---|
| City | Ottawa, IL | Utica, IL | Serena, IL | Marseilles, IL | Grand Ridge, IL | Oglesby, IL |
| Population | 23,999 | 2,120 | 129 | 7,249 | 1,131 | 4,397 |
| Median Income | $77,562 | $102,639 | $0 | $78,895 | $89,135 | $71,197 |
| Home Value | $157,100 | $222,600 | $0 | $179,400 | $179,900 | $139,100 |
| Cost of Living | 72 | 99 | 100 | 74 | 79 | 63 |
| Median Age | 42.3 | 43.6 | 35.4 | 42.3 | 36.3 | 41.2 |
Cost of Living
100 = National Average. Ottawa's cost of living is 28% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.0x
Demographics
Zip code 61350 has a population of 23,999 people with a median age of 42.3. There are 10,853 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Ottawa (61350) population trend from 2010 to 2024
↓ -22.3%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
83°F
15°F
36 in
24 in
Ottawa experiences warm summers with average highs around 83°F. Winters are cold with lows averaging 15°F. The area receives about 24 in of snow per year.
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Housing & Economy
Median Home Value
$157,100
Median Household Income
$77,562
With 10,853 housing units across 153.7 square miles, 61350 has a housing density of 71 units per square mile. The home price-to-income ratio is 2.0x.
Location & Geography
Latitude
41.3721°
Longitude
-88.8651°
Land Area
153.7 sq mi
Water Area
5.3 sq mi
Nearby Zip Codes
Zip codes closest to 61350 (Ottawa, IL) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 61350's $77,562. A way to compare Ottawa to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 61350 (Ottawa, IL). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Ottawa, Illinois?
Ottawa, Illinois uses zip code 61350.
What county is zip code 61350 in?
Zip code 61350 is located in La Salle County, Illinois.
What is the population of zip code 61350?
The population of zip code 61350 is 23,999 with a median age of 42.3.
Is 61350 in Ottawa, Illinois?
Yes, zip code 61350 is in Ottawa, La Salle County, Illinois. The area code is 217.
Frequently Asked Questions
What city is zip code 61350 in?
Zip code 61350 is in Ottawa, Illinois. It is part of La Salle County and uses the Central (CST/CDT) timezone.
What is zip code 61350?
Zip code 61350 is a U.S. postal code in Ottawa, Illinois (La Salle County). It has a population of 23,999 and covers 153.7 square miles.
What is the population of zip code 61350?
The population of zip code 61350 (Ottawa, IL) is 23,999 with a median age of 42.3. There are approximately 10,853 housing units in this area.
What is the median income in zip code 61350?
The median household income in zip code 61350 (Ottawa, IL) is $77,562 per year. The cost of living index is 72 (100 = national average).
What is the average home price in zip code 61350?
The median home value in zip code 61350 (Ottawa, IL) is $157,100. The cost of living index is 72 compared to the national average of 100.
What county is zip code 61350 in?
Zip code 61350 is located in La Salle County, Illinois. The primary city is Ottawa.
What is the area code for zip code 61350?
Zip code 61350 in Ottawa, IL uses area code 217. It is located in the Central (CST/CDT) timezone.
Is zip code 61350 a good place to live?
Zip code 61350 (Ottawa, IL) has a cost of living index of 72 (100 = national average), a median household income of $77,562, and median home values of $157,100. The median age is 42.3. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 61350?
The cost of living index for zip code 61350 (Ottawa, IL) is 72, where 100 represents the national average. This area is below the national average. Median home value: $157,100.
What schools serve zip code 61350?
Zip code 61350 in Ottawa, Illinois is served by the local school district of La Salle County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.