Statistic Buffalo Illinois National
Population 345 12,671,821 328,239,523
Population density (sq mi) 1,000 228 91
Median age 47.3 37.4 37.7
Male/Female ratio 1.1:1 1.0:1 1.0:1
Married (15yrs & older) 60% 55% 55%
Families w/ Kids under 18 43% 44% 43%
Speak English 98% 77% 79%
Speak Spanish 0% 13% 13%
New Real Estate Listings in Buffalo Area
Search Homes for Sale in Buffalo, IL

Demographics Quick Facts

  • The population density in Buffalo is 339% higher than Illinois
  • The median age in Buffalo is 26% higher than Illinois
  • In Buffalo 92.46% of the population is White
  • In Buffalo 0.00% of the population is Black
  • In Buffalo 1.74% of the population is Asian

Compare Buffalo, IL Demographics

      vs

      Buffalo racial demographics

      Race Buffalo Illinois National
      White 92.46% 72.14% 73.35%
      Black 0.00% 14.30% 12.63%
      Asian 1.74% 5.10% 5.22%
      American Indian 0.00% 0.23% 0.82%
      Native Hawaiian 0.00% 0.03% 0.18%
      Mixed race 5.80% 2.34% 3.06%
      Other race 0.00% 5.86% 4.75%
      In Buffalo, 0.0% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Buffalo age breakdown

      Marital status

      Age of children in married couples

      Source: The Buffalo, IL demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS).