Zip Code 74021
Collinsville, Oklahoma — Tulsa County
📍 ZIP code 74021 is in Collinsville, Tulsa County, Oklahoma.
ZIP code 74021 is located in Collinsville, Tulsa County, Oklahoma. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 23,504. The area code for ZIP code 74021 is 918.
Quick Answer
Zip code 74021 is in Collinsville, Oklahoma (Tulsa County). It has a population of 23,504, median household income of $90,148, and median home value of $224,700.
Population
23,504
Income
$90,148
Home Value
$224,700
Climate
94°F / 28°F
About Zip Code 74021
Zip code 74021 is located in Collinsville, Oklahoma, within Tulsa County. Home to approximately 23,504 residents, this area sits at an elevation of 606 ft and falls within the Central (CST/CDT) timezone. The local area code is 918.
The median household income is $90,148 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $224,700, and the cost of living index is 89 (11% below the national average of 100).
Summers average a high of 94°F while winters drop to 28°F. The area receives about 41 in of rain and 9 in of snow annually. The zip code covers 68.9 square miles of land area and 0.3 square miles of water.
Key Statistics
23,504
$90,148
$224,700
Central (CST/CDT)
918
606 ft
68.9 sq mi
36.8
8,705
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Compare With Nearby Zip Codes
| Metric | 74021 | 74053 | 74055 | 74117 | 74061 | 74130 |
|---|---|---|---|---|---|---|
| City | Collinsville, OK | Oologah, OK | Owasso, OK | Tulsa, OK | Ramona, OK | Tulsa, OK |
| Population | 23,504 | 5,541 | 49,895 | 21 | 2,379 | 2,217 |
| Median Income | $90,148 | $85,957 | $86,897 | $0 | $73,250 | $45,833 |
| Home Value | $224,700 | $213,700 | $261,400 | $0 | $225,400 | $82,800 |
| Cost of Living | 89 | 85 | 98 | 100 | 84 | 60 |
| Median Age | 36.8 | 35.6 | 36.5 | -666666666 | 42.5 | 34.4 |
Cost of Living
100 = National Average. Collinsville's cost of living is 11% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
2.5x
Demographics
Zip code 74021 has a population of 23,504 people with a median age of 36.8. There are 8,705 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Collinsville (74021) population trend from 2010 to 2024
↑ 23404.0%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
94°F
28°F
41 in
9 in
Collinsville experiences hot summers with average highs around 94°F. Winters are cool with lows averaging 28°F. The area receives about 9 in of snow per year.
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Housing & Economy
Median Home Value
$224,700
Median Household Income
$90,148
With 8,705 housing units across 68.9 square miles, 74021 has a housing density of 126 units per square mile. The home price-to-income ratio is 2.5x.
Location & Geography
Latitude
36.3838°
Longitude
-95.8420°
Land Area
68.9 sq mi
Water Area
0.3 sq mi
Nearby Zip Codes
Zip codes closest to 74021 (Collinsville, OK) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 74021's $90,148. A way to compare Collinsville 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 74021 (Collinsville, OK). 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 Collinsville, Oklahoma?
Collinsville, Oklahoma uses zip code 74021.
What county is zip code 74021 in?
Zip code 74021 is located in Tulsa County, Oklahoma.
What is the population of zip code 74021?
The population of zip code 74021 is 23,504 with a median age of 36.8.
Is 74021 in Collinsville, Oklahoma?
Yes, zip code 74021 is in Collinsville, Tulsa County, Oklahoma. The area code is 918.
Frequently Asked Questions
What city is zip code 74021 in?
Zip code 74021 is in Collinsville, Oklahoma. It is part of Tulsa County and uses the Central (CST/CDT) timezone.
What is zip code 74021?
Zip code 74021 is a U.S. postal code in Collinsville, Oklahoma (Tulsa County). It has a population of 23,504 and covers 68.9 square miles.
What is the population of zip code 74021?
The population of zip code 74021 (Collinsville, OK) is 23,504 with a median age of 36.8. There are approximately 8,705 housing units in this area.
What is the median income in zip code 74021?
The median household income in zip code 74021 (Collinsville, OK) is $90,148 per year. The cost of living index is 89 (100 = national average).
What is the average home price in zip code 74021?
The median home value in zip code 74021 (Collinsville, OK) is $224,700. The cost of living index is 89 compared to the national average of 100.
What county is zip code 74021 in?
Zip code 74021 is located in Tulsa County, Oklahoma. The primary city is Collinsville.
What is the area code for zip code 74021?
Zip code 74021 in Collinsville, OK uses area code 918. It is located in the Central (CST/CDT) timezone.
Is zip code 74021 a good place to live?
Zip code 74021 (Collinsville, OK) has a cost of living index of 89 (100 = national average), a median household income of $90,148, and median home values of $224,700. The median age is 36.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 74021?
The cost of living index for zip code 74021 (Collinsville, OK) is 89, where 100 represents the national average. This area is below the national average. Median home value: $224,700.
What schools serve zip code 74021?
Zip code 74021 in Collinsville, Oklahoma is served by the local school district of Tulsa 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.