Iowa · Census place 1926400
Fairfax, Iowa
Fairfax is a city in Linn County, Iowa with an estimated 2,937 residents on July 1, 2024. It is the 122nd largest of 273 incorporated places of 1,000+ people in the state.
- Population 2024
- 2,937
- #122 of 273 in Iowa
- Change since 2020
- +3.0%
- +86 people
- Land area
- 3.6 sq mi
- + 0.03 sq mi water
- Density
- 809 / sq mi
- State median 1,363
Measure from here
Tools and pages that start from Fairfax
Fairfax population, 2020 to 2024
Fairfax added 86 residents from July 2020 to July 2024, a change of +3.0%. In the latest year it moved by +26.
Fairfax covers 3.63 square miles of land and 0.03 of water, for 809 people per square mile of land. The median Iowa place of 5,000+ has 1,363, so Fairfax is less dense than the typical town.
What county Fairfax is in
All of Fairfax's residents live in Linn County, which had 231,762 residents in 2024. Fairfax holds 1.3% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.
ZIP codes in Fairfax
1 ZIP Code Tabulation Area (ZCTA) overlaps Fairfax by at least 10% of the ZCTA's or the city's land: 52228. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.
Where Fairfax is
The Census internal point of Fairfax is at 41.925500, -91.777800. Des Moines, the capital, is 96.9 miles WSW in a straight line. The nearest larger place is Cedar Rapids, IA (137,904 people), 5.7 miles away.
Internal point
- Decimal
- 41.925500, -91.777800
- DMS
- 41°55'31.80"N 91°46'40.08"W
- UTM
- 15N 601338.5E 4642226.9N
- Geohash
- 9zqwx833w
- Plus code
- 86HCW6GC+6V
Daylight in Fairfax
At 41.93° N, Fairfax gets about 15 h 14 min of daylight around the June solstice and 9 h 07 min around the December solstice, a swing of 6 h 07 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.
Places near Fairfax
The eight nearest incorporated places of 1,000+ in Iowa, measured between internal points. The closest is Walford, 4.2 miles away, with 1,357 people.
Questions people ask
What is the population of Fairfax, IA?
2,937 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 86 (3.0%) from 2,851 in July 2020.
What county is Fairfax in?
Linn County. All of its residents live in that county.
What ZIP codes cover Fairfax?
1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 52228.
How far is Fairfax from Des Moines?
96.9 miles (156.0 km) in a straight line, heading WSW from Fairfax.
What is the nearest larger city to Fairfax?
Cedar Rapids, IA, with 137,904 residents, 5.7 miles away between internal points.
Sources and data as of
Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.
- 01Census Vintage 2024 subcounty population estimates
- 02Census 2024 Gazetteer, places
- 03Census 2020 ZCTA to place relationship file
- 04Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.