Bike Time
See how many people live within a 5 to 60 minute bike ride of any point.
Within each radius
| Population | Sq mi | Per sq mi |
|---|
Population computed from 2020 Census blocks with centroid inside of radius
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At a glance
These are estimates: Census ACS data is allocated from census tracts into the area in proportion to the fraction of each tract's 2020 population on blocks with centroid inside the area. Points-of-interest counts © OpenStreetMap contributors (ODbL).
Center of population
What each mark means
- Your pin
- The point you dropped. Everything here is measured from it.
- Median center
- Half the population lives north of this point and half south; half east and half west.
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How it's computed
Latitude and longitude are computed separately here too. For latitude: sort every populated census block or tract from south to north and add up population as you go. The latitude where the running total first reaches half the place's population is the median latitude. Repeat from west to east for the median longitude. The two lines cross at the median center.
Distance does not matter here, only which side of the line each person lives on. A faraway community shifts the median no more than a nearby one, which is what makes it different from the mean.
- Mean center
- Where the place would balance if every resident weighed the same.
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How it's computed
Picture a stiff, weightless map of this area with every resident standing at home, everyone weighing the same. The point where the map balances is the mean center.
Latitude and longitude are averaged separately. For latitude: take every populated census block or tract in the place, multiply its population by the latitude of its center point, add up those products, and divide by the total population. That is the mean latitude. The mean longitude is a weighted average of the longitudes, using each point's population times the cosine of its latitude as the weight — a degree of longitude spans less ground the farther it sits from the equator, and the cosine accounts for that shrinkage. Those two averages together are the mean center.
Distance matters here. A community far to the north pulls the point north in proportion to both its population and how far away it is.
Why the median center is a band
A census tract reports a total. It does not say where inside it those people live. Place everyone in each census tract at its southern edge and the median line falls as far south as the data permits. Place them at the northern edge and it falls as far north. Any line between the two could be the true median. East and west work the same way. The band covers that range.
We weigh over 2020 census blocks when an area holds at most 25,000 of them, and over census tracts above that. Tracts are larger than blocks, so weighing over tracts gives a wider band. The width reflects the size of the weighing unit, not the distribution of people.
| Radius | Distance | Time | % of radius |
|---|
About the Drive Time tool
The drive time tool maps the area reachable by car from any point in the United States and estimates the population inside it. Click the map or search an address to drop a pin. The tool draws drive time areas for 5, 10, 15, 30, 45, and 60 minutes and reports the population, land area, and density of each one.
Travel times are computed on the OpenStreetMap road network, so each shape follows the roads actually reachable from your point. Population comes from 2020 census blocks. Income, rent, age, and other indicators are estimated from American Community Survey data and compared to national averages.
Questions this tool answers
- How many people live within a 15 minute drive of a potential store site?
- What is the population within a 30 minute drive of downtown?
- How does household income near this intersection compare to the US average?
- How many grocery stores serve the area within a 20 minute drive?
Frequently asked questions
Where does the population data come from?
Population counts come from the 2020 United States census at the block level. A census block counts toward an area when its center falls inside the area. Income, rent, age, and other indicators are estimated from the American Community Survey.
How are drive time areas calculated?
Travel time areas are computed on the OpenStreetMap road network using typical speeds for the mode of travel. Each shape follows the roads and paths actually reachable from the point you pick.
How accurate are the numbers?
The numbers are estimates. Census blocks are small in cities and larger in rural areas, so a tiny area may hold too few blocks to measure and is marked as such. Indicator values are flagged when the underlying data does not cover the whole area.
Can I use this for site selection or trade area analysis?
Yes. The tool answers common site selection questions, such as how many people live within a drive time of a location and how the surrounding area compares to national averages for income, age, and housing.
About the Walk Time tool
The walk time tool maps the area reachable on foot from any point in the United States and estimates the population inside it. Click the map or search an address to drop a pin. The tool draws walk time areas for 5, 10, 15, 30, 45, and 60 minutes and reports the population, land area, and density of each one.
Walk times are computed on the OpenStreetMap street and path network, so each shape follows what is actually walkable from your point. Population comes from 2020 census blocks. Income, rent, age, and other indicators are estimated from American Community Survey data and compared to national averages.
Questions this tool answers
- How many people live within a 10 minute walk of a transit stop?
- What is the population within a 20 minute walk of a park?
- How many restaurants are within a 15 minute walk of this corner?
- How do rents near this address compare to the US average?
Frequently asked questions
Where does the population data come from?
Population counts come from the 2020 United States census at the block level. A census block counts toward an area when its center falls inside the area. Income, rent, age, and other indicators are estimated from the American Community Survey.
How are walk time areas calculated?
Travel time areas are computed on the OpenStreetMap road network using typical speeds for the mode of travel. Each shape follows the roads and paths actually reachable from the point you pick.
How accurate are the numbers?
The numbers are estimates. Census blocks are small in cities and larger in rural areas, so a tiny area may hold too few blocks to measure and is marked as such. Indicator values are flagged when the underlying data does not cover the whole area.
Can I use this for site selection or trade area analysis?
Yes. The tool answers common site selection questions, such as how many people live within a walk time of a location and how the surrounding area compares to national averages for income, age, and housing.
About the Bike Time tool
The bike time tool maps the area reachable by bicycle from any point in the United States and estimates the population inside it. Click the map or search an address to drop a pin. The tool draws bike time areas for 5, 10, 15, 30, 45, and 60 minutes and reports the population, land area, and density of each one.
Ride times are computed on the OpenStreetMap road and path network, so each shape follows the routes actually rideable from your point. Population comes from 2020 census blocks. Income, rent, age, and other indicators are estimated from American Community Survey data and compared to national averages.
Questions this tool answers
- How many people live within a 15 minute bike ride of a shop?
- What is the population within a 30 minute ride of a trailhead?
- How many schools are reachable within a 20 minute ride?
- How does the area within biking distance compare to the US average?
Frequently asked questions
Where does the population data come from?
Population counts come from the 2020 United States census at the block level. A census block counts toward an area when its center falls inside the area. Income, rent, age, and other indicators are estimated from the American Community Survey.
How are bike time areas calculated?
Travel time areas are computed on the OpenStreetMap road network using typical speeds for the mode of travel. Each shape follows the roads and paths actually reachable from the point you pick.
How accurate are the numbers?
The numbers are estimates. Census blocks are small in cities and larger in rural areas, so a tiny area may hold too few blocks to measure and is marked as such. Indicator values are flagged when the underlying data does not cover the whole area.
Can I use this for site selection or trade area analysis?
Yes. The tool answers common site selection questions, such as how many people live within a bike time of a location and how the surrounding area compares to national averages for income, age, and housing.
About the Distance Radius tool
The distance radius tool draws circles around any point in the United States and estimates the population inside each one. Click the map or search an address to drop a pin. The tool computes every radius on its ladder at once, from half a mile up to 62 miles, and reports the population, land area, and density of each ring.
Each circle is a true circle measured on the surface of the earth. Population comes from 2020 census blocks. Income, rent, age, and other indicators are estimated from American Community Survey data and compared to national averages.
Questions this tool answers
- How many people live within 5 miles of this address?
- What is the population within a 1 mile radius of a site?
- How does income within 10 miles compare to the US average?
- How many pharmacies are within 3 miles of this corner?
Frequently asked questions
Where does the population data come from?
Population counts come from the 2020 United States census at the block level. A census block counts toward an area when its center falls inside the area. Income, rent, age, and other indicators are estimated from the American Community Survey.
How are the circles drawn?
Each circle is a true circle measured on the surface of the earth. The tool computes every radius on the ladder at once, from half a mile to 62 miles, so you can compare rings without dropping the pin again.
How accurate are the numbers?
The numbers are estimates. Census blocks are small in cities and larger in rural areas, so a tiny area may hold too few blocks to measure and is marked as such. Indicator values are flagged when the underlying data does not cover the whole area.
Can I use this for site selection or trade area analysis?
Yes. The tool answers common site selection questions, such as how many people live within a radius of a location and how the surrounding area compares to national averages for income, age, and housing.