CREATE TABLE "illinois_counties_ranked_by_per_capita_i" (
  "county" text,
  "per_capita_income" text,
  "median_household_income" text,
  "median_family_income" text,
  "population" real,
  "number_of_households" real
);

Question: What is the population with 41,511 households?
SQL: SELECT COUNT("population") FROM "illinois_counties_ranked_by_per_capita_i" WHERE "number_of_households"='41,511';