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History & Demographic Structure of Phila. Mapping Angles Doing Justice History & Demographic Structure of Phila. Mapping Angles Doing Justice

Sections: w w w Philadelphia Population: Statewide Historical Context w Choropleth maps Philadelphia, Pittsburgh, Sections: w w w Philadelphia Population: Statewide Historical Context w Choropleth maps Philadelphia, Pittsburgh, and nearby w Time trend Philly itself: w Spatial History w Map choices Law Behaving 1920 s Delinquency Data Doing Justice

Census HQ in Maryland United States Census w w w U. S. Constitution w Census HQ in Maryland United States Census w w w U. S. Constitution w Requires census of population w Every ten years w Used for redistricting House of Representatives w 1790 -2000 Methods changed over years Can use Census Figures for Historical Trends http: //www. census. gov/main/www/aboutus. html Doing Justice

Pennsylvania Counties w Pennsylvania Counties Pittsburgh is within Allegheny County Doing Justice Pennsylvania Counties w Pennsylvania Counties Pittsburgh is within Allegheny County Doing Justice

History of Pennsylvania Population by County Using Maps w Legend w How many groups? History of Pennsylvania Population by County Using Maps w Legend w How many groups? w What are ranges within each group? w Map type: choropleth map w w w “shows numerical data … for a group of regions by (1) grouping the data into classes, and (2) shading each class on the map. ” n n Doing Justice Prentice Hall. “Making maps with GIS. ” http: //wps. prenhall. com/esm_clarke_gsgis_4/0, 7300, 473320 -, 00. html

1790 Population By County Doing Justice 1790 Population By County Doing Justice

1850 Population By County Doing Justice Note legend change 1850 Population By County Doing Justice Note legend change

1900 Population By County Doing Justice Note legend change again 1900 Population By County Doing Justice Note legend change again

1950 Population By County Doing Justice 1950 Population By County Doing Justice

2000 Population By County Doing Justice 2000 Population By County Doing Justice

Philadelphia: more detail over time w w w Line charts X Axis (horizontal): organizing Philadelphia: more detail over time w w w Line charts X Axis (horizontal): organizing variable (time) Y axis (vertical): variable being measured (population) Doing Justice

Doing Justice Doing Justice

Doing Justice Doing Justice

Doing Justice Doing Justice

Doing Justice Doing Justice

30 19 084 , 1 dy ea t S Doing Justice ow gr th 30 19 084 , 1 dy ea t S Doing Justice ow gr th

Peak population Doing Justice Peak population Doing Justice

Sources of growth? Doing Justice Sources of growth? Doing Justice

Sources of growth? w w w Immigration w Foreign w Domestic Growth of Jobs Sources of growth? w w w Immigration w Foreign w Domestic Growth of Jobs w Manufacturing w Commerce (ship, railroad) Incorporation w Surrounding towns incorporated (1854) Doing Justice

Compared to Pittsburgh (Allegheny Co. )? Doing Justice Compared to Pittsburgh (Allegheny Co. )? Doing Justice

Doing Justice Doing Justice

When did Pittsburgh’s Steady Growth Begin? Doing Justice When did Pittsburgh’s Steady Growth Begin? Doing Justice

1880 Doing Justice 1880 Doing Justice

w Did Pittsburgh every reach 2 million? Doing Justice w Did Pittsburgh every reach 2 million? Doing Justice

Doing Justice Doing Justice

w From 1880 to 1930, where Philly and Pittsburgh adding about the same number w From 1880 to 1930, where Philly and Pittsburgh adding about the same number of people every year? Doing Justice

Since the Two lines Are PARALLEL Over time, We will say yes Doing Justice Since the Two lines Are PARALLEL Over time, We will say yes Doing Justice

w What was happening in Philadelphia’s two adjoining counties to the west? w Delaware w What was happening in Philadelphia’s two adjoining counties to the west? w Delaware w Montgomery? Doing Justice

Doing Justice Doing Justice

Doing Justice Doing Justice

As late as 1930, The population in each Was only about _____ Doing Justice As late as 1930, The population in each Was only about _____ Doing Justice

Sections: w w Philadelphia Population: Statewide Historical Context w Choropleth maps Philadelphia, Pittsburgh, and Sections: w w Philadelphia Population: Statewide Historical Context w Choropleth maps Philadelphia, Pittsburgh, and nearby w Time trend Philly itself: History Map and demographic data within Philly w Choices w Modifiable areal unit problem Doing Justice

Philadelphia 1681 Small port city on Delaware River Doing Justice Philadelphia 1681 Small port city on Delaware River Doing Justice

The Old Commercial Center? w w w Hard to pinpoint Approximate: Customs house would The Old Commercial Center? w w w Hard to pinpoint Approximate: Customs house would be nearby w Foreign vessels Doing Justice

Carpenters Hall, Custom’s House 1801 -1817 Between. 3 rd, 4 th below Chestnut St. Carpenters Hall, Custom’s House 1801 -1817 Between. 3 rd, 4 th below Chestnut St. Doing Justice

Lower Dock Area X= Carpenter Hall Circle= Society Hill, Olde City Doing Justice x Lower Dock Area X= Carpenter Hall Circle= Society Hill, Olde City Doing Justice x

Over time, the harbor spread Both to the north and south Doing Justice Over time, the harbor spread Both to the north and south Doing Justice

As it spread, warehouses And canneries And cheap housing for Immigrants working in harbor As it spread, warehouses And canneries And cheap housing for Immigrants working in harbor Or related industries grew up Over time became substandard, Increasingly crowded. Often, only housing affordable for Bottom rung workers Doing Justice

Over time, housing Expands outward, Back from harbor; Along major routes, Horse drawn trolley, Over time, housing Expands outward, Back from harbor; Along major routes, Horse drawn trolley, Then trolley Newer housing more $ As housing ages, it Gets cheaper Doing Justice

Same time, Downtown expanding Businesses taking Over Poor Residential districts Downtown Expands to Meet Same time, Downtown expanding Businesses taking Over Poor Residential districts Downtown Expands to Meet Increasing Population to be Served In the city and beyond Doing Justice

because …. Different types of people live in different places Ebenezer Maxwell Mansion, Chestnut because …. Different types of people live in different places Ebenezer Maxwell Mansion, Chestnut Hill Doing Justice Vacant Houses, West Philadelphia

Social Space maps onto physical space w 1930 Status Differences across Election wards w Social Space maps onto physical space w 1930 Status Differences across Election wards w Variable: Median Rent from 1930 Census 4 groups 11 wards each DARK = HI RENT w w w LIGHT = LOW RENT Doing Justice

PBS News. Hour 10/2/202 w w http: //www. pbs. org/newshour/bb/entertainment/julydec 02/hwl_10 -2. html# Mayor PBS News. Hour 10/2/202 w w http: //www. pbs. org/newshour/bb/entertainment/julydec 02/hwl_10 -2. html# Mayor Street’s Neighborhood Transformation Initiative Doing Justice