# How do you calculate population density by ZIP Code?

## How do you calculate population density by ZIP Code?

Density is calculated as Population/Area. The area item on the SF1 file is measured in square meters. To convert this to square miles divide “area” by 2,589,988. For instance the density of zip code 60302 is 10,856.69 per square mile and 4,191.79 per square kilometer.

How do ZIP codes relate to census tracts?

Census tracts are polygons and cover a well-defined geographic area. ZIP codes are clusters of lines; the U.S. Postal Service does not define ZIP Code boundaries. Census tracts provide more granularity (73,000 areas) than ZIP Codes (43,000).

### How do I get my ZIP Code level data from the census?

Both the Decennial Census and the American Community Survey publish data according to Zip Code Tabulation Areas, or ZCTAs. More information on ZCTAs can be found at https://www.census.gov/programs-surveys/geography/guidance/geo-areas/zctas.html.

Where can I find statistics on anything?

7 Great Websites to Find Statistics

• Statista.
• Gallup.
• Pew Research.
• Data.gov.
• UN Statistical Division.
• Knoema.

#### How do I calculate population density?

The formula for population density is Dp= N/A, where Dp is the population density, N is the total population, and A is the land area covered by the population. For human populations, A is typically expressed as square miles or square kilometers.

How many ZIPs are in the US?

41,692 ZIP Codes
There are 41,692 ZIP Codes in the country.

## Is ZCTA same as zip?

In most instances the ZCTA code is the same as the ZIP Code for an area. In creating ZCTAs, the Census Bureau took the most frequently occurring ZIP Code in an area for the ZCTA code. Some addresses will end up with a ZCTA code different from their ZIP Code.

What is census demographic data?

Demographic data refer to the Decennial Census and other surveys of individuals and households administered by the Census Bureau. Access to these data will only be granted to qualified researchers on approved projects with authorization to use specific data sets.