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Gallery: Intermediate + Choropleth map

18 unique examples
Level of expertise:
Showing visual types:Choropleth map Icon for removing this tag Icon for this tag's benefits and pitfalls Icon for how to create this kind of visualisation

Benefits & pitfalls

Benefits & pitfalls: choropleth map

  • Shaded maps can emphasise large areas much more than small ones - for example highlighting rural areas over urban, if fixed population areas such as Super Output Areas are shown. Consider providing an alternate mode in which values are represented by circles, or values are scaled by the area size (ie showing density).

How to create your own

Create your own: choropleth map

  • Chloropleth maps can be created in a range of desktop GIS applications such as MapInfo and ArcGIS.

Accessibility map

Screenshot for 'Accessibility map'
Roads in a local area within 500m of a postcode containing one or more shops where food is reasonably priced and which sell more than 8 kinds of fresh fruit and vegetables.
Average rating: 6.8 (4 votes)
Visual types:

map, choropleth map

Cartogram (distorted map) showing recorded crime counts

Screenshot for 'Cartogram (distorted map) showing recorded crime counts'
The two maps both show levels of recorded crime across Leicestershire at Lower Super Output Area LSOA level (with darker red representing higher levels of crime). The map on the left shows the actual geography of the LSOA areas across the County. LSOA areas each contain roughly 1,500 residents - larger areas on this map therefore represent rural areas with lower-density population. The cartogram, or distorted, map on the right shows the same data at LSOA level, but represents each of the LSOAs as a fixed size hexagon. This avoids the problem of over-emphasising the more rural LSOAs, seen on the left. However, it becomes more difficult for users to understand which areas are which - so a numbered key is used to identify particular areas.
Average rating: 8.4 (13 votes)

Cartogram map on the impact of US recession

Screenshot for 'Cartogram map on the impact of US recession'
Where the recession hit the Us the hardest: an interactive map showing how different regions and industries have weathered the downturn—and the recovery
Average rating: 6 (1 votes)

Cartogram thematic map (where areas are sized according to their population)

Screenshot for 'Cartogram thematic map (where areas are sized according to their population)'
Proportion of people claiming benefits in English cities, 2003.
Average rating: 2 (2 votes)

Choropleth map and dashboard

Screenshot for 'Choropleth map and dashboard'
Oldham Neighbourhood Wellbeing Index. A modified traffic light scheme is used in the maps with red - indicating rates ranked in the highest 10% band, amber - the high 11-25% band, light green - the low 11-25% and dark green - indicating rates ranked in the lowest 10%. In maps displaying rates across the four themes, neighbourhoods with rates ranked in the 26-74% band are white, whereas in maps of trends and sudden changes, those neighbourhoods are shaded yellow, whilst those in white show no trend or sudden change. White is also used for neighbourhoods where no persistently high or low rates are detected. It is in this way that the maps themselves act as visual exception reports.
Average rating: 5.6 (5 votes)

Funnel plot and map

Screenshot for 'Funnel plot and map'
Geowise InstantAtlas showing funnel plot alongside area map, bar chart and legends.
Average rating: 7 (4 votes)

Geographic cluster analysis

Screenshot for 'Geographic cluster analysis'
This chart is designed to aid the interpretation of the results of a cluster analysis, a statistical technique used to discover the underlying structure of a set of observations. The data set contains dummy variables.
Unrated

Housing condition map

Screenshot for 'Housing condition map'
1904 map showing housing conditions in Manchester and Salford.
Average rating: 8.4 (5 votes)
Visual types:

map, choropleth map

Interactive cartogram

Screenshot for 'Interactive cartogram'
Local Council election results 1974 to 2008.
Average rating: 5.8 (3 votes)

Interactive map with detailed description

Screenshot for 'Interactive map with detailed description'
Interactive Map enabling users to identify services and rank areas by decile (thematic mapping). Map contains significant description of variables used.
Average rating: 4.8 (4 votes)

Map (multi layer): Ageing population

Screenshot for 'Map (multi layer): Ageing population'
Map showing population trends and change in the old age population. To compare both impacts of population growth and aging population.
Unrated

Mapping health indicators across local areas

Screenshot for 'Mapping health indicators across local areas'
The Asturias Health Observatory (AHO) is a project developed by the Public Health General Directorate in Asturias, Spain, in collaboration with the University of Wisconsin Population Health Institute. One of the AHO projects is "Asturias Action/ Asturias Actúa" (AA), a regional database which provides over 100 community health indicators. These indicators are mapped at local area level across the region, allowing for comparisons between areas on different health risks and outcomes.
Average rating: 8 (1 votes)

Maptube Google map overlay

Screenshot for 'Maptube Google map overlay'
IMD 2004 ranks for London.
Unrated
Visual types:

map, choropleth map

Multipanel map

Screenshot for 'Multipanel map'
This map presents information about the murder rate in the United States during 1976. It shows the rates in six intervals, relying on several smaller maps to do that.
Unrated
Visual types:

map, choropleth map

Split screen map

Screenshot for 'Split screen map'
Vehicle offences in Wiltshire at LSOA level.
Unrated
Visual types:

map, choropleth map

Thematic map including area and hinterland

Screenshot for 'Thematic map including area and hinterland'
The Vulnerable Localities index mapped across Stafford district. Red indicates a high score, green indicates a low score. Districts are ordered by those with the highest number of output areas with a VLI score above 200.
Average rating: 9.5 (2 votes)
Visual types:

map, choropleth map

Thematic map with areal photo background

Screenshot for 'Thematic map with areal photo background'
Density of ethnic minority groups in Leeds.
Average rating: 7.5 (4 votes)
Visual types:

map, choropleth map

Time change map

Screenshot for 'Time change map'
Map of UK by parliamentary constituency showing percentage of population claiming JSA. Slider at bottom allows users to choose a time point.
Average rating: 9.7 (3 votes)
Visual types:

map, choropleth map