Latest Data (2018)
Population 181,107
Nationwide Rank 141

Quick Facts

Ontario, California is the 141st largest city in the United States as of 2018.

Ontario, California is a city.

Ontario, California is as large as it has ever been. In 2018 Ontario had its largest population ever.

Ontario, California's growth is about average. 49% of similarly sized cities are growing faster since 2000.

Ontario, California Border Map

Similarly Sized Cities In US

US Rank Name Population Growth
2000-2018
131 Mobile, Alabama 189,572 -4.6%
132 Cape Coral, Florida 189,343 83.2%
133 Shreveport, Louisiana 188,987 -5.7%
134 Frisco, Texas 188,170 433.3%
135 Knoxville, Tennessee 187,500 6.3%
136 Worcester, Massachusetts 185,877 7.7%
137 Brownsville, Texas 183,392 27.9%
138 Vancouver, Washington 183,012 24.8%
139 Fort Lauderdale, Florida 182,595 6.7%
140 Sioux Falls, South Dakota 181,883 44.8%
141 Ontario, California 181,107 14.1%
142 Chattanooga, Tennessee 180,557 15.1%
143 Providence, Rhode Island 179,335 3.1%
144 Newport News, Virginia 178,626 -0.9%
145 Rancho Cucamonga, California 177,751 37.6%
146 Santa Rosa, California 177,586 18.9%
147 Oceanside, California 176,080 8.7%
148 Salem, Oregon 173,442 25.7%
149 Elk Grove, California 172,886 111.6%
150 Garden Grove, California 172,646 4.3%
151 Pembroke Pines, Florida 172,374 24.6%

Similarly Sized Cities In California

US Rank Name Population Growth
2000-2018
55 Anaheim 352,005 6.9%
57 Santa Ana 332,725 -1.7%
58 Riverside 330,063 27.7%
61 Stockton 311,178 27.2%
72 Irvine 282,572 92.6%
76 Chula Vista 271,651 54.6%
96 Fremont 237,807 16.4%
103 San Bernardino 215,941 14.2%
104 Modesto 215,030 13.0%
105 Fontana 213,739 45.6%
106 Santa Clarita 210,089 34.9%
108 Oxnard 209,877 22.2%
110 Moreno Valley 209,050 45.9%
112 Glendale 201,361 3.0%
113 Huntington Beach 200,641 5.5%
141 Ontario 181,107 14.1%
145 Rancho Cucamonga 177,751 37.6%
146 Santa Rosa 177,586 18.9%
147 Oceanside 176,080 8.7%
149 Elk Grove 172,886 111.6%
150 Garden Grove 172,646 4.3%
154 Corona 168,819 30.8%
160 Hayward 159,620 13.2%
161 Lancaster 159,053 33.4%
164 Palmdale 156,667 33.3%
165 Salinas 156,259 8.8%
169 Sunnyvale 153,185 16.2%
172 Pomona 152,361 2.8%
173 Escondido 152,213 13.3%
181 Torrance 145,182 5.0%
187 Pasadena 141,371 5.0%
191 Fullerton 139,640 10.3%
193 Orange 139,484 7.3%
195 Roseville 139,117 71.1%
205 Visalia 133,800 39.9%
212 Concord 129,688 6.0%
214 Santa Clara 129,488 26.4%
217 Thousand Oaks 127,690 8.6%
221 Simi Valley 125,851 12.3%
228 Victorville 122,312 89.5%
230 Vallejo 121,913 3.8%
232 Berkeley 121,643 18.0%
244 Fairfield 116,884 20.7%
249 Carlsbad 115,877 45.9%
250 El Monte 115,586 -0.5%
251 Murrieta 114,985 121.9%
252 Temecula 114,742 67.0%
255 Costa Mesa 113,615 3.7%
261 Downey 112,269 4.4%
262 Clovis 112,022 60.2%
267 Antioch 111,535 21.8%
271 San Buenaventura (Ventura) 111,128 9.7%
275 Richmond 110,146 10.5%
277 Inglewood 109,419 -2.9%
280 Jurupa Valley 108,393
283 Santa Maria 107,408 37.5%
286 Daly City 107,008 3.2%
290 West Covina 106,311 0.9%
293 Norwalk 105,120 0.5%
294 San Mateo 105,025 13.2%
298 Burbank 103,695 3.2%
299 Rialto 103,440 11.4%
301 El Cajon 103,241 8.5%
306 Vista 101,224 12.5%
310 Vacaville 100,154 11.9%
326 San Marcos 96,847 73.3%
327 Compton 96,617 3.1%
335 Hesperia 95,274 51.1%
336 Mission Viejo 95,202 1.7%
337 Chico 94,776 22.9%
342 South Gate 94,443 -2.1%
353 Menifee 92,595 116.4%
356 Carson 91,909 2.1%
357 Tracy 91,812 58.1%
358 Redding 91,772 12.7%
360 Chino 91,583 30.7%
361 Santa Monica 91,411 8.3%
362 Santa Barbara 91,350 1.9%
363 Indio 91,240 81.3%
365 Westminster 90,938 3.0%

Demographics

Population History

Year Population Rank in US
2018 181,107 141
2017 175,841 145
2016 173,212 146
2015 171,214 147
2014 169,089 146
2013 167,500 144
2012 167,211 143
2011 166,021 143
2010 163,924 143
2009 171,603 139
2008 170,947 136
2007 169,605 137
2006 170,865 131
2005 170,630 131
2004 168,068 128
2003 165,931 129
2002 163,857 128
2001 161,251 129
2000 158,664 131
1990 133,270 137