Zip Code 45503
Springfield, Ohio — Clark County
📍 ZIP code 45503 is in Springfield, Clark County, Ohio.
ZIP code 45503 is located in Springfield, Clark County, Ohio. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 32,673. The area code for ZIP code 45503 is 937.
Quick Answer
Zip code 45503 is in Springfield, Ohio (Clark County). It has a population of 32,673, median household income of $54,561, and median home value of $153,100.
Population
32,673
Income
$54,561
Home Value
$153,100
Climate
84°F / 19°F
About Zip Code 45503
Zip code 45503 is located in Springfield, Ohio, within Clark County. Home to approximately 32,673 residents, this area sits at an elevation of 1044 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 937.
The median household income is $54,561 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $153,100, 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 19°F. The area receives about 40 in of rain and 7 in of snow annually. The zip code covers 17.4 square miles of land area and 1.3 square miles of water.
Key Statistics
32,673
$54,561
$153,100
Eastern (EST/EDT)
937
1044 ft
17.4 sq mi
40.6
15,458
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Compare With Nearby Zip Codes
| Metric | 45503 | 45505 | 45506 | 45504 | 45502 | 43010 |
|---|---|---|---|---|---|---|
| City | Springfield, OH | Springfield, OH | Springfield, OH | Springfield, OH | Springfield, OH | Catawba, OH |
| Population | 32,673 | 20,299 | 13,339 | 16,654 | 17,076 | 280 |
| Median Income | $54,561 | $42,409 | $40,132 | $67,334 | $87,378 | $55,000 |
| Home Value | $153,100 | $87,500 | $101,000 | $167,700 | $225,500 | $139,300 |
| Cost of Living | 60 | 60 | 60 | 66 | 91 | 60 |
| Median Age | 40.6 | 34.6 | 42.3 | 39.3 | 46.7 | 53.6 |
Cost of Living
100 = National Average. Springfield's cost of living is 40% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.8x
Demographics
Zip code 45503 has a population of 32,673 people with a median age of 40.6. There are 15,458 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Springfield (45503) population trend from 2010 to 2024
↓ -20.6%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
84°F
19°F
40 in
7 in
Springfield experiences warm summers with average highs around 84°F. Winters are cold with lows averaging 19°F. The area receives about 7 in of snow per year.
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Housing & Economy
Median Home Value
$153,100
Median Household Income
$54,561
With 15,458 housing units across 17.4 square miles, 45503 has a housing density of 888 units per square mile. The home price-to-income ratio is 2.8x.
Location & Geography
Latitude
39.9596°
Longitude
-83.7718°
Land Area
17.4 sq mi
Water Area
1.3 sq mi
Nearby Zip Codes
Zip codes closest to 45503 (Springfield, OH) with distances:
All Zip Codes in Springfield, OH
Other zip codes serving Springfield:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 45503's $54,561. A way to compare Springfield 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 45503 (Springfield, OH). 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 Springfield, Ohio?
Springfield, Ohio uses zip code 45503 along with 3 other zip codes.
What county is zip code 45503 in?
Zip code 45503 is located in Clark County, Ohio.
What is the population of zip code 45503?
The population of zip code 45503 is 32,673 with a median age of 40.6.
Is 45503 in Springfield, Ohio?
Yes, zip code 45503 is in Springfield, Clark County, Ohio. The area code is 937.
Frequently Asked Questions
What city is zip code 45503 in?
Zip code 45503 is in Springfield, Ohio. It is part of Clark County and uses the Eastern (EST/EDT) timezone.
What is zip code 45503?
Zip code 45503 is a U.S. postal code in Springfield, Ohio (Clark County). It has a population of 32,673 and covers 17.4 square miles.
What is the population of zip code 45503?
The population of zip code 45503 (Springfield, OH) is 32,673 with a median age of 40.6. There are approximately 15,458 housing units in this area.
What is the median income in zip code 45503?
The median household income in zip code 45503 (Springfield, OH) is $54,561 per year. The cost of living index is 60 (100 = national average).
What is the average home price in zip code 45503?
The median home value in zip code 45503 (Springfield, OH) is $153,100. The cost of living index is 60 compared to the national average of 100.
What county is zip code 45503 in?
Zip code 45503 is located in Clark County, Ohio. The primary city is Springfield.
What is the area code for zip code 45503?
Zip code 45503 in Springfield, OH uses area code 937. It is located in the Eastern (EST/EDT) timezone.
Is zip code 45503 a good place to live?
Zip code 45503 (Springfield, OH) has a cost of living index of 60 (100 = national average), a median household income of $54,561, and median home values of $153,100. The median age is 40.6. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 45503?
The cost of living index for zip code 45503 (Springfield, OH) is 60, where 100 represents the national average. This area is below the national average. Median home value: $153,100.
What schools serve zip code 45503?
Zip code 45503 in Springfield, Ohio is served by the local school district of Clark 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.