Zip Code 61021
Dixon, Illinois — Lee County
📍 ZIP code 61021 is in Dixon, Lee County, Illinois.
ZIP code 61021 is located in Dixon, Lee County, Illinois. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 22,690. The area code for ZIP code 61021 is 309.
Quick Answer
Zip code 61021 is in Dixon, Illinois (Lee County). It has a population of 22,690, median household income of $65,719, and median home value of $144,800.
Population
22,690
Income
$65,719
Home Value
$144,800
Climate
83°F / 14°F
About Zip Code 61021
Zip code 61021 is located in Dixon, Illinois, within Lee County. Home to approximately 22,690 residents, this area sits at an elevation of 744 ft and falls within the Central (CST/CDT) timezone. The local area code is 309.
The median household income is $65,719 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $144,800, and the cost of living index is 62 (38% below the national average of 100).
Summers average a high of 83°F while winters drop to 14°F. The area receives about 41 in of rain and 31 in of snow annually. The zip code covers 149.8 square miles of land area and 3.3 square miles of water.
Key Statistics
22,690
$65,719
$144,800
Central (CST/CDT)
309
744 ft
149.8 sq mi
43.9
10,110
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Compare With Nearby Zip Codes
Cost of Living
100 = National Average. Dixon's cost of living is 38% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.2x
Demographics
Zip code 61021 has a population of 22,690 people with a median age of 43.9. There are 10,110 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Dixon (61021) population trend from 2010 to 2024
↑ 229.4%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
83°F
14°F
41 in
31 in
Dixon experiences warm summers with average highs around 83°F. Winters are cold with lows averaging 14°F. With 31 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$144,800
Median Household Income
$65,719
With 10,110 housing units across 149.8 square miles, 61021 has a housing density of 67 units per square mile. The home price-to-income ratio is 2.2x.
Location & Geography
Latitude
41.8274°
Longitude
-89.4792°
Land Area
149.8 sq mi
Water Area
3.3 sq mi
Nearby Zip Codes
Zip codes closest to 61021 (Dixon, IL) with distances:
All Zip Codes in Dixon, IL
Other zip codes serving Dixon:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 61021's $65,719. A way to compare Dixon 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 61021 (Dixon, 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 Dixon, Illinois?
Dixon, Illinois uses zip code 61021 along with 2 other zip codes.
What county is zip code 61021 in?
Zip code 61021 is located in Lee County, Illinois.
What is the population of zip code 61021?
The population of zip code 61021 is 22,690 with a median age of 43.9.
Is 61021 in Dixon, Illinois?
Yes, zip code 61021 is in Dixon, Lee County, Illinois. The area code is 309.
Frequently Asked Questions
What city is zip code 61021 in?
Zip code 61021 is in Dixon, Illinois. It is part of Lee County and uses the Central (CST/CDT) timezone.
What is zip code 61021?
Zip code 61021 is a U.S. postal code in Dixon, Illinois (Lee County). It has a population of 22,690 and covers 149.8 square miles.
What is the population of zip code 61021?
The population of zip code 61021 (Dixon, IL) is 22,690 with a median age of 43.9. There are approximately 10,110 housing units in this area.
What is the median income in zip code 61021?
The median household income in zip code 61021 (Dixon, IL) is $65,719 per year. The cost of living index is 62 (100 = national average).
What is the average home price in zip code 61021?
The median home value in zip code 61021 (Dixon, IL) is $144,800. The cost of living index is 62 compared to the national average of 100.
What county is zip code 61021 in?
Zip code 61021 is located in Lee County, Illinois. The primary city is Dixon.
What is the area code for zip code 61021?
Zip code 61021 in Dixon, IL uses area code 309. It is located in the Central (CST/CDT) timezone.
Is zip code 61021 a good place to live?
Zip code 61021 (Dixon, IL) has a cost of living index of 62 (100 = national average), a median household income of $65,719, and median home values of $144,800. The median age is 43.9. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 61021?
The cost of living index for zip code 61021 (Dixon, IL) is 62, where 100 represents the national average. This area is below the national average. Median home value: $144,800.
What schools serve zip code 61021?
Zip code 61021 in Dixon, Illinois is served by the local school district of Lee 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.