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Old 04-02-2019, 04:13 PM
 
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Quote:
Originally Posted by mhays25 View Post
Or Houston, where the peak tract is a jail.
I don't think that is true.
Last I remember the most dense census tract was the one around one Park place.

Wouldn't all jails have a high tract number for every city? I mean, Houston is not the only city with a jail. Baltimore's highest density tract is a jail.

Edit: I looked it up and the jail is not even it's own census track ��
And the densest tract is a tract in the gulfton area with a density of 55K ppsm.
Not a really interesting area but not a jail either ��

Last edited by atadytic19; 04-02-2019 at 05:11 PM..
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Old 04-02-2019, 04:39 PM
 
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I was wrong about Houston, the densest is a four city block (or one block with driveways) area of apartments called Napoleon Square in the Gulfton area.

I thought tract 2101 was it...that's nearly 100% jail residents.
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Old 04-02-2019, 04:54 PM
 
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Quote:
Originally Posted by mhays25 View Post
In Houston, jails represented almost 100% of the residents in tract 2101 in 2017 extrapolating from the Census ACS and an aerial view. On another demographics site, its density was listed as 37,943 per square mile. I think this is the same tract previously listed as over 50,000...might have been a post-census adjustment in how prisoners are counted. The ACS showed 6,252 residents but zero under 10. It had seven people in the 10-14 age group...guessing some juveniles in the adult prison? There were tons in the 15-19 group of course.
It does not matter if that census track is made up primarily of the jail. I am certain that there are many census tracks around the country that is basically a jail. However the densest census tracks in Houston are in gulfton.
The tract you are referencing is the entire area north of the bayou which houses UHD, the Jail, some Warehouses and about a dozen other commercial/ industrial buildings but because the area is large it is NOT the most dense tract in Houston. Again that is one of the tracts in gulfton at 55k ppsm. It is all multifamily apartments so the density is higher
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Old 04-03-2019, 12:34 AM
 
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Quote:
Originally Posted by Bubb Rubb View Post
Hmm, the problem with zip codes in the US is that there are some buildings by themselves that make up their own zip codes. NYC alone has 42 of them:

https://convene.com/catalyst/buildin...-own-zip-code/

There's no perfect measure. Meh, I'll figure out something. Census tract for the most part makes sense, except some statistical anomalies that only the census can answer.
The other issue is parks. In LA, not that 90027 is the most densely populated zip code, but when 2/3 of the zip code is Griffith Park, it throws off population density. 10024 in NYC may have the same issue to a lesser extent (in that Central Park is only about 1/2 of the zip code). I'd imagine the numbers would be an issue in any city neighborhoods whose zip code boundaries include a large urban park.
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Old 04-03-2019, 01:20 AM
 
Location: SoCal
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Quote:
Originally Posted by Texamichiforniasota View Post
The other issue is parks. In LA, not that 90027 is the most densely populated zip code, but when 2/3 of the zip code is Griffith Park, it throws off population density. 10024 in NYC may have the same issue to a lesser extent (in that Central Park is only about 1/2 of the zip code). I'd imagine the numbers would be an issue in any city neighborhoods whose zip code boundaries include a large urban park.
For LA that's the entire Hollywood hills winch makes up 25% of the City. Not to mention the part west of the sepulveda pass is practically uninhabited.
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Old 04-03-2019, 02:52 AM
 
Location: Wine Country, California
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I live in the zip code used in this example for San Francisco-94109. It is very dense, but is bordered by the Bay to the north, so any radius drawn from it would cover a large area of water.
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Old 04-03-2019, 06:41 AM
 
Location: Buffalo, NY
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Quote:
Originally Posted by mhays25 View Post
I was wrong about Houston, the densest is a four city block (or one block with driveways) area of apartments called Napoleon Square in the Gulfton area.

I thought tract 2101 was it...that's nearly 100% jail residents.
Ha. I lived in Napoleon Square in the early 80s. Area used to be known as the Gulfton Ghetto. I saw lots of crazy stuff when I lived there. Blocks and blocks of 2 and 3 story apartments. At one time 5 of us shared a 1 bedroom. It used to be the first neighborhood immigrants and migrants moved to in Houston, probably still is.
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Old 04-03-2019, 06:45 AM
 
Location: Washington D.C.
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Quote:
Originally Posted by Texamichiforniasota View Post
The other issue is parks. In LA, not that 90027 is the most densely populated zip code, but when 2/3 of the zip code is Griffith Park, it throws off population density. 10024 in NYC may have the same issue to a lesser extent (in that Central Park is only about 1/2 of the zip code). I'd imagine the numbers would be an issue in any city neighborhoods whose zip code boundaries include a large urban park.
Most zip codes have that issue. The 20009 zip code in DC is next to Rock Creek Park. I think most cities have the same issue.
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Old 04-03-2019, 08:10 AM
 
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Quote:
Originally Posted by sean1the1 View Post
For LA that's the entire Hollywood hills winch makes up 25% of the City. Not to mention the part west of the sepulveda pass is practically uninhabited.
But if you’re measuring peak density, those areas probably aren’t going to be measured so it would be irrelevant for this analysis. If measuring the whole city, sure that should be taken into account
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Old 04-03-2019, 09:02 AM
 
Location: DM[V] - Northern Virginia
741 posts, read 1,112,243 times
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Quote:
Originally Posted by stanley-88888888 View Post
^ the result for boston seems arbitrary. if centered around 02144 i get a population of 311,729:
Circular Area Profiles (CAPS) — ACS
MDALLStar - The list you posted looks like 1-mile radius results, not 3-mile radius results.
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