Rensselaer County Population 2018

Rensselaer County's estimated population is 159,722 with a growth rate of -0.01% in the past year according to the most recent United States census data. Rensselaer County is the 21st largest county in New York.

Year Population Growth Growth Rate
2017159,722-14-0.01%
2016159,736-114-0.07%
2015159,850-88-0.06%
2014159,9381860.12%
2013159,7521880.12%
2012159,564-81-0.05%
2011159,6452800.18%
2010159,3654,9363.20%
1990154,4292,4631.62%
1980151,966-544-0.36%
1970152,5109,9256.96%
1960142,5859,9787.52%
1950132,60710,7738.84%
1940121,8342,0531.71%
1930119,7816,6525.88%
1920113,129-9,147-7.48%
1910122,2765790.48%
1900121,697-2,814-2.26%
1890124,5119,1837.96%
1880115,32815,77915.85%
187099,54913,22115.31%
186086,32812,96517.67%
185073,36313,10421.75%
184060,25910,83521.92%
183049,4249,27123.09%
182040,1533,84410.59%
181036,3095,95819.63%
180030,3510.00%

Rensselaer County Population Growth

Population Data via

Rensselaer County Race Data

Race Population Percentage
White139,66487.44%
Black or African American11,7837.38%
Asian4,2772.68%
Two or More Races3,8112.39%
American Indian and Alaska Native5080.32%
Native Hawaiian and Other Pacific Islander580.04%

Rensselaer County Population Pyramid

0k1k2k3k4k5k6k Male Population0k1k2k3k4k5k6k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990