Zip Code 61401
Galesburg, Illinois — Knox County
📍 ZIP code 61401 is in Galesburg, Knox County, Illinois.
ZIP code 61401 is located in Galesburg, Knox County, Illinois. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 30,684. The area code for ZIP code 61401 is 217.
Quick Answer
Zip code 61401 is in Galesburg, Illinois (Knox County). It has a population of 30,684, median household income of $47,728, and median home value of $94,900.
Population
30,684
Income
$47,728
Home Value
$94,900
Climate
84°F / 14°F
About Zip Code 61401
Zip code 61401 is located in Galesburg, Illinois, within Knox County. Home to approximately 30,684 residents, this area sits at an elevation of 761 ft and falls within the Central (CST/CDT) timezone. The local area code is 217.
The median household income is $47,728 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $94,900, and the cost of living index is 60 (40% below the national average of 100).
Summers average a high of 84°F while winters drop to 14°F. The area receives about 39 in of rain and 26 in of snow annually. The zip code covers 114.4 square miles of land area and 0.5 square miles of water.
Key Statistics
30,684
$47,728
$94,900
Central (CST/CDT)
217
761 ft
114.4 sq mi
41.6
15,449
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Compare With Nearby Zip Codes
| Metric | 61401 | 61430 | 61439 | 61488 | 61423 | 61448 |
|---|---|---|---|---|---|---|
| City | Galesburg, IL | East Galesburg, IL | Henderson, IL | Wataga, IL | Abingdon, IL | Knoxville, IL |
| Population | 30,684 | 676 | 268 | 1,230 | 649 | 3,906 |
| Median Income | $47,728 | $65,750 | $56,429 | $61,786 | $58,750 | $79,500 |
| Home Value | $94,900 | $106,000 | $97,500 | $125,000 | $122,100 | $139,700 |
| Cost of Living | 60 | 61 | 60 | 60 | 60 | 68 |
| Median Age | 41.6 | 51.5 | 32.5 | 41.5 | 42.6 | 44.4 |
Cost of Living
100 = National Average. Galesburg's cost of living is 40% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.0x
Demographics
Zip code 61401 has a population of 30,684 people with a median age of 41.6. There are 15,449 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Galesburg (61401) population trend from 2010 to 2024
↓ -16.3%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
84°F
14°F
39 in
26 in
Galesburg experiences warm summers with average highs around 84°F. Winters are cold with lows averaging 14°F. The area receives about 26 in of snow per year.
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Housing & Economy
Median Home Value
$94,900
Median Household Income
$47,728
With 15,449 housing units across 114.4 square miles, 61401 has a housing density of 135 units per square mile. The home price-to-income ratio is 2.0x.
Location & Geography
Latitude
40.9442°
Longitude
-90.3858°
Land Area
114.4 sq mi
Water Area
0.5 sq mi
Nearby Zip Codes
Zip codes closest to 61401 (Galesburg, IL) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 61401's $47,728. A way to compare Galesburg 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 61401 (Galesburg, 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 Galesburg, Illinois?
Galesburg, Illinois uses zip code 61401.
What county is zip code 61401 in?
Zip code 61401 is located in Knox County, Illinois.
What is the population of zip code 61401?
The population of zip code 61401 is 30,684 with a median age of 41.6.
Is 61401 in Galesburg, Illinois?
Yes, zip code 61401 is in Galesburg, Knox County, Illinois. The area code is 217.
Frequently Asked Questions
What city is zip code 61401 in?
Zip code 61401 is in Galesburg, Illinois. It is part of Knox County and uses the Central (CST/CDT) timezone.
What is zip code 61401?
Zip code 61401 is a U.S. postal code in Galesburg, Illinois (Knox County). It has a population of 30,684 and covers 114.4 square miles.
What is the population of zip code 61401?
The population of zip code 61401 (Galesburg, IL) is 30,684 with a median age of 41.6. There are approximately 15,449 housing units in this area.
What is the median income in zip code 61401?
The median household income in zip code 61401 (Galesburg, IL) is $47,728 per year. The cost of living index is 60 (100 = national average).
What is the average home price in zip code 61401?
The median home value in zip code 61401 (Galesburg, IL) is $94,900. The cost of living index is 60 compared to the national average of 100.
What county is zip code 61401 in?
Zip code 61401 is located in Knox County, Illinois. The primary city is Galesburg.
What is the area code for zip code 61401?
Zip code 61401 in Galesburg, IL uses area code 217. It is located in the Central (CST/CDT) timezone.
Is zip code 61401 a good place to live?
Zip code 61401 (Galesburg, IL) has a cost of living index of 60 (100 = national average), a median household income of $47,728, and median home values of $94,900. The median age is 41.6. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 61401?
The cost of living index for zip code 61401 (Galesburg, IL) is 60, where 100 represents the national average. This area is below the national average. Median home value: $94,900.
What schools serve zip code 61401?
Zip code 61401 in Galesburg, Illinois is served by the local school district of Knox 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.