Population Change

St. Louis County, MO

Nancy Cole

Spatial Data Modeling and Design

May 6, 2013

Year St. Louis City

Population

St. Louis County

Population

1950 856,796 (Peak) 406,349

1960 750,026 703,532

1970 622,236 951,353

1980 453,085 973,896

1990 396,685 993,529

2000 348,189 1,016,315 (Peak)

2010 319,294 998,954

BALLWIN

BELLA VILLA

BELLEFONTAINE NEIGHBORS

BELLERIVE

BEL-NOR

BEL-RIDGE

BERKELEY

BEVERLY HILLS

BLACK JACK

BRECKENRIDGE HILLS

BRENTWOOD

BRIDGETON

CALVERTON PARK

CHAMP

CHARLACK

CHESTERFIELD

CLARKSON VALLEY

CLAYTON

COOL VALLEY

COUNTRY CLUB HILLS

COUNTRY LIFE ACRES

CRESTWOOD

CREVE COEUR

CRYSTAL LAKE PARK

DELLWOOD

DES PERES

EDMUNDSON

ELLISVILLE

EUREKA

FENTON

FERGUSON

FLORDELL HILLS

FLORISSANT

FRONTENAC

GLEN ECHO PARK

GLENDALE

GRANTWOOD VILLAGE

GREEN PARK

GREENDALE

HANLEY HILLS

HAZELWOOD

HILLSDALE

HUNTLEIGH

JENNINGS

KINLOCH

KIRKWOOD

LADUE

LAKESHIRE

MACKENZIE

MANCHESTER

MAPLEWOOD

MARLBOROUGH

MARYLAND HEIGHTS

MOLINE ACRES

NORMANDY

NORTHWOODS

NORWOOD COURT

OAKLAND

OLIVETTE

OVERLAND

PACIFIC

PAGEDALE

PASADENA HILLS

PASADENA PARK

PINE LAWN

RICHMOND HEIGHTS

RIVERVIEW

ROCK HILL

SHREWSBURY

ST. ANN

ST. JOHN

SUNSET HILLS

SYCAMORE HILLS

TOWN & COUNTRY

TWIN OAKS

UNIVERSITY CITY

UPLANDS PARK

VALLEY PARK

VELDA CITY

VELDA VILLAGE HILLS

VINITA PARK

VINITA TERRACE

WARSON WOODS

WEBSTER GROVES

WELLSTON

WESTWOOD

WILBUR PARK

WILDWOOD

WINCHESTER

WOODSON TERRACE

90 Municipalities

1. Which municipalities lost population, between 2000 and 2010?

2. Which municipalities saw a decline in median household income,

between 2009 and 2011?

3. For those municipalities that lost population and saw a decline in

median household income, calculate:

A. Percent Black, 2010

B. Percent 65 and Older, 2010

C. Percent of Adults with a Four-Year Degree or More, 2011

Questions

Methods / Limitations

Apportionment by area of block and tract data to municipalities

Assumes population spread evenly across each block and tract

Highlights problems with municipal boundary polygons

Check Geometry & Repair Geometry

1 Self-Intersection

Create Topology & Validate Topology

1 Overlap and 1 Gap

Not coterminous with TIGER shapefiles

Year Population Apportioned

Population

Difference /

“Lost” People

2000 1,016,315 1,016,050 -265

2010 998,954 998,666 -288