Zip Code 62521
Decatur, Illinois — Macon County
📍 ZIP code 62521 is in Decatur, Macon County, Illinois.
ZIP code 62521 is located in Decatur, Macon County, Illinois. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 32,455. The area code for ZIP code 62521 is 618.
Quick Answer
Zip code 62521 is in Decatur, Illinois (Macon County). It has a population of 32,455, median household income of $66,848, and median home value of $119,900.
Population
32,455
Income
$66,848
Home Value
$119,900
Climate
85°F / 20°F
About Zip Code 62521
Zip code 62521 is located in Decatur, Illinois, within Macon County. Home to approximately 32,455 residents, this area sits at an elevation of 637 ft and falls within the Central (CST/CDT) timezone. The local area code is 618.
The median household income is $66,848 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $119,900, and the cost of living index is 60 (40% below the national average of 100).
Summers average a high of 85°F while winters drop to 20°F. The area receives about 40 in of rain and 14 in of snow annually. The zip code covers 66.9 square miles of land area and 4 square miles of water.
Key Statistics
32,455
$66,848
$119,900
Central (CST/CDT)
618
637 ft
66.9 sq mi
43.3
16,169
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Compare With Nearby Zip Codes
| Metric | 62521 | 62523 | 62549 | 62532 | 62522 | 62526 |
|---|---|---|---|---|---|---|
| City | Decatur, IL | Decatur, IL | Mt Zion, IL | Elwin, IL | Decatur, IL | Decatur, IL |
| Population | 32,455 | 802 | 6,789 | 33 | 14,984 | 31,191 |
| Median Income | $66,848 | $12,663 | $109,350 | $0 | $51,689 | $48,222 |
| Home Value | $119,900 | $0 | $186,800 | $114,100 | $108,300 | $91,500 |
| Cost of Living | 60 | 67 | 90 | 60 | 60 | 60 |
| Median Age | 43.3 | 37.5 | 39.6 | 25.8 | 34.8 | 41.5 |
Cost of Living
100 = National Average. Decatur's cost of living is 40% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
1.8x
Demographics
Zip code 62521 has a population of 32,455 people with a median age of 43.3. There are 16,169 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Decatur (62521) population trend from 2010 to 2024
↓ -10.9%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
85°F
20°F
40 in
14 in
Decatur experiences warm summers with average highs around 85°F. Winters are cold with lows averaging 20°F. The area receives about 14 in of snow per year.
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Housing & Economy
Median Home Value
$119,900
Median Household Income
$66,848
With 16,169 housing units across 66.9 square miles, 62521 has a housing density of 242 units per square mile. The home price-to-income ratio is 1.8x.
Location & Geography
Latitude
39.8179°
Longitude
-88.9219°
Land Area
66.9 sq mi
Water Area
4 sq mi
Nearby Zip Codes
Zip codes closest to 62521 (Decatur, IL) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 62521's $66,848. A way to compare Decatur 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 62521 (Decatur, 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 Decatur, Illinois?
Decatur, Illinois uses zip code 62521.
What county is zip code 62521 in?
Zip code 62521 is located in Macon County, Illinois.
What is the population of zip code 62521?
The population of zip code 62521 is 32,455 with a median age of 43.3.
Is 62521 in Decatur, Illinois?
Yes, zip code 62521 is in Decatur, Macon County, Illinois. The area code is 618.
Frequently Asked Questions
What city is zip code 62521 in?
Zip code 62521 is in Decatur, Illinois. It is part of Macon County and uses the Central (CST/CDT) timezone.
What is zip code 62521?
Zip code 62521 is a U.S. postal code in Decatur, Illinois (Macon County). It has a population of 32,455 and covers 66.9 square miles.
What is the population of zip code 62521?
The population of zip code 62521 (Decatur, IL) is 32,455 with a median age of 43.3. There are approximately 16,169 housing units in this area.
What is the median income in zip code 62521?
The median household income in zip code 62521 (Decatur, IL) is $66,848 per year. The cost of living index is 60 (100 = national average).
What is the average home price in zip code 62521?
The median home value in zip code 62521 (Decatur, IL) is $119,900. The cost of living index is 60 compared to the national average of 100.
What county is zip code 62521 in?
Zip code 62521 is located in Macon County, Illinois. The primary city is Decatur.
What is the area code for zip code 62521?
Zip code 62521 in Decatur, IL uses area code 618. It is located in the Central (CST/CDT) timezone.
Is zip code 62521 a good place to live?
Zip code 62521 (Decatur, IL) has a cost of living index of 60 (100 = national average), a median household income of $66,848, and median home values of $119,900. The median age is 43.3. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 62521?
The cost of living index for zip code 62521 (Decatur, IL) is 60, where 100 represents the national average. This area is below the national average. Median home value: $119,900.
What schools serve zip code 62521?
Zip code 62521 in Decatur, Illinois is served by the local school district of Macon 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.