diff --git a/app/models/verification/management/document.rb b/app/models/verification/management/document.rb
index ee9e5462d..481073397 100644
--- a/app/models/verification/management/document.rb
+++ b/app/models/verification/management/document.rb
@@ -32,7 +32,7 @@ class Verification::Management::Document
   end
 
   def under_sixteen?(response)
-    16.years.ago < string_to_date(response.date_of_birth)
+    16.years.ago < response.date_of_birth
   end
 
   def verified?
@@ -43,4 +43,4 @@ class Verification::Management::Document
     user.update(verified_at: Time.now) if user?
   end
 
-end
\ No newline at end of file
+end
diff --git a/app/models/verification/residence.rb b/app/models/verification/residence.rb
index 0c1ed5f9a..661659a01 100644
--- a/app/models/verification/residence.rb
+++ b/app/models/verification/residence.rb
@@ -31,6 +31,8 @@ class Verification::Residence
     user.update(document_number:       document_number,
                 document_type:         document_type,
                 geozone:               self.geozone,
+                date_of_birth:         date_of_birth.to_datetime,
+                genre:                 genre,
                 residence_verified_at: Time.now)
   end
 
@@ -75,6 +77,10 @@ class Verification::Residence
     @census_api_response.district_code
   end
 
+  def genre
+    @census_api_response.genre
+  end
+
   private
 
     def call_census_api
@@ -84,7 +90,7 @@ class Verification::Residence
     def residency_valid?
       @census_api_response.valid? &&
         @census_api_response.postal_code == postal_code &&
-        @census_api_response.date_of_birth == date_to_string(date_of_birth)
+        @census_api_response.date_of_birth == date_of_birth
     end
 
     def clean_document_number
diff --git a/db/migrate/20160411161531_add_genre_and_dob_to_users.rb b/db/migrate/20160411161531_add_genre_and_dob_to_users.rb
new file mode 100644
index 000000000..aa8100fa3
--- /dev/null
+++ b/db/migrate/20160411161531_add_genre_and_dob_to_users.rb
@@ -0,0 +1,6 @@
+class AddGenreAndDobToUsers < ActiveRecord::Migration
+  def change
+    add_column :users, :genre, :string, index: true, limit: 10
+    add_column :users, :date_of_birth, :datetime, index: true
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index e86f4db3b..cd05a0d2f 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160406163649) do
+ActiveRecord::Schema.define(version: 20160411161531) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -422,6 +422,8 @@ ActiveRecord::Schema.define(version: 20160406163649) do
     t.string   "oauth_email"
     t.integer  "geozone_id"
     t.string   "redeemable_code"
+    t.string   "genre",                     limit: 10
+    t.datetime "date_of_birth"
   end
 
   add_index "users", ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true, using: :btree
diff --git a/lib/active_model/dates.rb b/lib/active_model/dates.rb
index a519e3840..f9605ddbd 100644
--- a/lib/active_model/dates.rb
+++ b/lib/active_model/dates.rb
@@ -13,13 +13,4 @@ module ActiveModel::Dates
     attrs.except("#{field}(1i)", "#{field}(2i)", "#{field}(3i)")
   end
 
-  def date_to_string(date)
-    date.strftime("%d-%m-%Y")
-  end
-
-  def string_to_date(value)
-    day, month, year = value.split("-")
-    Date.new(year.to_i, month.to_i, day.to_i)
-  end
-
-end
\ No newline at end of file
+end
diff --git a/lib/census_api.rb b/lib/census_api.rb
index 737f7f873..2b8c7d7a2 100644
--- a/lib/census_api.rb
+++ b/lib/census_api.rb
@@ -38,7 +38,10 @@ class CensusApi
     end
 
     def date_of_birth
-      data[:datos_habitante][:item][:fecha_nacimiento_string]
+      str = data[:datos_habitante][:item][:fecha_nacimiento_string]
+      day, month, year = str.match(/(\d\d?)\D(\d\d?)\D(\d\d\d?\d?)/)[1..3]
+      return nil unless day.present? && month.present? && year.present?
+      Date.new(year.to_i, month.to_i, day.to_i)
     end
 
     def postal_code
@@ -49,6 +52,15 @@ class CensusApi
       data[:datos_vivienda][:item][:codigo_distrito]
     end
 
+    def genre # "Varón" or "Mujer"
+      case data[:datos_habitante][:item][:descripcion_sexo]
+      when "Varón"
+        "male"
+      when "Mujer"
+        "female"
+      end
+    end
+
     private
 
       def data
@@ -86,7 +98,7 @@ class CensusApi
     end
 
     def stubbed_response_body
-      {:get_habita_datos_response=>{:get_habita_datos_return=>{:hay_errores=>false, :datos_habitante=>{:item=>{:fecha_nacimiento_string=>"31-12-1980", :identificador_documento=>"12345678Z", }}, :datos_vivienda=>{:item=>{:codigo_postal=>"28013", :codigo_distrito=>"01"}}}}}
+      {get_habita_datos_response: {get_habita_datos_return: {hay_errores: false, datos_habitante: { item: {fecha_nacimiento_string: "31-12-1980", identificador_documento: "12345678Z", descripcion_sexo: "Varón" }}, datos_vivienda: {item: {codigo_postal: "28013", codigo_distrito: "01"}}}}}
     end
 
     def is_dni?(document_type)
diff --git a/lib/tasks/users.rake b/lib/tasks/users.rake
index 0ce4cdfee..18dad53bc 100644
--- a/lib/tasks/users.rake
+++ b/lib/tasks/users.rake
@@ -40,5 +40,23 @@ namespace :users do
     end
   end
 
+  desc "Associates demographic information to users"
+  task assign_demographic: :environment do
+    User.residence_verified.where(genre: nil).find_each do |u|
+      begin
+        response = CensusApi.new.call(u.document_type, u.document_number)
+        if response.valid?
+          u.genre = response.genre
+          u.date_of_birth = response.date_of_birth.to_datetime
+          u.save
+          print "."
+        else
+          print "X"
+        end
+      rescue
+        puts "Could not assign genre/dob for user: #{u.id}"
+      end
+    end
+  end
 
 end
diff --git a/spec/lib/census_api_spec.rb b/spec/lib/census_api_spec.rb
index a49133d23..fb14f39c5 100644
--- a/spec/lib/census_api_spec.rb
+++ b/spec/lib/census_api_spec.rb
@@ -29,7 +29,7 @@ describe CensusApi do
 
   describe '#call' do
     let(:invalid_body) { {get_habita_datos_response: {get_habita_datos_return: {datos_habitante: {}}}} }
-    let(:valid_body){ {get_habita_datos_response: {get_habita_datos_return: {datos_habitante: {item: {fecha_nacimiento_string: "1/1/1980"}}}}} }
+    let(:valid_body){ {get_habita_datos_response: {get_habita_datos_return: {datos_habitante: {item: {fecha_nacimiento_string: "1-1-1980"}}}}} }
 
     it "returns the response for the first valid variant" do
       allow(api).to receive(:get_response_body).with(1, "00123456").and_return(invalid_body)
@@ -39,7 +39,7 @@ describe CensusApi do
       response = api.call(1, "123456")
 
       expect(response).to be_valid
-      expect(response.date_of_birth).to eq('1/1/1980')
+      expect(response.date_of_birth).to eq(Date.new(1980,1,1))
     end
 
     it "returns the last failed response" do
diff --git a/spec/models/residence_spec.rb b/spec/models/residence_spec.rb
index fbc33d39c..faa81b5c3 100644
--- a/spec/models/residence_spec.rb
+++ b/spec/models/residence_spec.rb
@@ -85,7 +85,7 @@ describe Verification::Residence do
 
   describe "save" do
 
-    it "should store document number, document type, and geozone" do
+    it "should store document number, document type, geozone, date of birth and genre" do
       user = create(:user)
       residence.user = user
       residence.save
@@ -93,6 +93,10 @@ describe Verification::Residence do
       user.reload
       expect(user.document_number).to eq('12345678Z')
       expect(user.document_type).to eq("1")
+      expect(user.date_of_birth.year).to eq(1980)
+      expect(user.date_of_birth.month).to eq(12)
+      expect(user.date_of_birth.day).to eq(31)
+      expect(user.genre).to eq('male')
       expect(user.geozone).to eq(geozone)
     end