There are 50 cities in Napa County, California.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Rochester1New York205,642211,167-0.89%5,75035.77
Napa2California77,23579,039-0.69%4,30117.96
Coeur d'Alene3Idaho57,90954,9381.03%3,60716.06
Irondequoit4New York50,78050,141 3,38714.99
Post Falls5Idaho47,25639,2203.35%3,12415.13
Brighton6New York36,81936,163 2,39015.41
American Canyon7California21,09221,777-0.8%3,4666.09
Hayden8Idaho17,11915,6541.75%1,64310.42
Traverse City9Michigan15,84615,6740.46%1,9038.33
Greece10New York14,40614,477 3,2944.37
Rathdrum11Idaho11,4999,2863.83%2,1975.23
North Gates12New York10,1389,740 3,8102.66
Brockport13New York6,9897,114-0.51%3,2152.17
East Rochester14New York6,0996,322-0.93%4,6031.32
Hilton15New York5,8336,035-0.92%3,2661.79
Webster16New York5,7625,7410.07%2,6162.20
Fairport17New York5,2915,461-0.84%3,3491.58
Clarkson18New York5,0225,046 5519.11
Hamlin19New York4,8175,720 6277.68
St. Helena20California4,8065,425-3.9%9704.96
Calistoga21California4,7195,215-3.18%1,8312.58
Gates22New York4,7164,782 2,3831.98
Spencerport23New York3,5923,680-0.88%2,5991.38
Yountville24California3,2283,427-1.94%2,1711.49
Angwin25California2,7313,415 5664.83
Honeoye Falls26New York2,6932,793-0.96%1,0592.54
Spirit Lake27Idaho2,6252,3482.14%1,0452.51
Dalton Gardens28Idaho2,4872,539-0.92%1,0442.38
Churchville29New York2,1692,159-0.09%1,8231.19
Scottsville30New York1,9752,046-0.9%1,8241.08
Kingsley31Michigan1,4441,4160.35%1,1881.22
Pittsford32New York1,3141,366-1.05%1,8660.70
Silverado Resort33California1,0121,171 5351.89
Hauser34Idaho9707667.3%9810.99
Grawn35Michigan852933 1,3440.63
Deer Park36California835772 1485.62
Chums Corner37Michigan8311,117 3122.66
Athol38Idaho7467090.95%8390.89
Philip39South Dakota738760-0.27%1,2420.59
Hayden Lake40Idaho6796530.89%1,1110.61
Interlochen41Michigan541438 4361.24
Fife Lake42Michigan469466 6460.73
Rockford Bay43Idaho306355 813.77
Worley44Idaho251253-0.4%1,2940.19
Harrison45Idaho223231-1.33%633.56
Fernan Lake Village46Idaho161167-1.23%2,1180.08
Rutherford47California115100 681.68
Midland48South Dakota107109 3110.34
Huetter49Idaho104990.97%2,3110.04
State Line50Idaho3937 3550.11
showing: 50 rows

Cities in Napa County, California by Population (2024)

What is the largest city in Napa County, California?

Rochester is the largest city in Napa County.

What is the smallest city in Napa County, California?

State Line is the smallest city in Napa County.

How many cities are in Napa County?

There are 50 cities in Napa County, California.

Frequently Asked Questions