draw_map.py

# Map showing counties with typical income < 40k
tmp_df = data_df[data_df["Median_Household_Income_2018"] < 40000]
fig = px.choropleth_mapbox(tmp_df, locations="fips", color="Median_Household_Income_2018",
                           range_color=[0, 100000],
                           geojson=counties, color_continuous_scale=px.colors.diverging.RdYlBu, labels=labels)
fig.update_layout(coloraxis_colorbar=dict(
    tickvals=[0, 20000, 40000, 60000, 80000, 100000],
    ticktext=["0", "20k", "40k", "60k", "80k", "100k+"]
))
fig.update_layout(mapbox_style="carto-positron",
                  mapbox_zoom=3.9, mapbox_center={"lat": 37.0902, "lon": -95.7129},
                  margin={"r": 0, "t": 0, "l": 0, "b": 0})
fig.update_traces(marker=dict(line=dict(width=0.3, color="gray")))
fig.show()