Illinois · Census place 1761223

Port Byron, Illinois

Port Byron is a village in Rock Island County, Illinois with an estimated 1,643 residents on July 1, 2024. It is the 517th largest of 651 incorporated places of 1,000+ people in the state.

Population 2024
1,643
#517 of 651 in Illinois
Change since 2020
-1.3%
-22 people
Land area
2.4 sq mi
+ 0.06 sq mi water
Density
676 / sq mi
State median 2,177
Orange pin: Port Byron. Shaded: its county. Dark pin: Springfield.

Port Byron population, 2020 to 2024

Port Byron lost 22 residents from July 2020 to July 2024, a change of -1.3%. In the latest year it moved by +8.

1,66520201,64520211,63620221,63520231,6432024
July 1 estimates. The April 2020 estimates base was 1,668. The axis starts above zero so yearly changes are visible.

Port Byron covers 2.43 square miles of land and 0.06 of water, for 676 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Port Byron is less dense than the typical town.

What county Port Byron is in

All of Port Byron's residents live in Rock Island County, which had 142,731 residents in 2024. Port Byron holds 1.2% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Port Byron

1 ZIP Code Tabulation Area (ZCTA) overlaps Port Byron by at least 10% of the ZCTA's or the village's land: 61275. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a village that annexed land after 2020 may reach into ZIP codes not listed here.

Where Port Byron is

The Census internal point of Port Byron is at 41.624300, -90.330200. Springfield, the capital, is 132.2 miles SSE in a straight line. The nearest larger place is Le Claire, IA (4,776 people), 3.1 miles away. The nearest city of 100,000 or more is Davenport, IA, 14.9 miles away.

Internal point

Decimal
41.624300, -90.330200
DMS
41°37'27.48"N 90°19'48.72"W
UTM
15N 722411.9E 4611507.4N
Geohash
9zrub3rx1
Plus code
86HFJMF9+PW

Daylight in Port Byron

At 41.62° N, Port Byron gets about 15 h 12 min of daylight around the June solstice and 9 h 09 min around the December solstice, a swing of 6 h 03 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Port Byron

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Hampton, 6.0 miles away, with 1,755 people.

Questions people ask

What is the population of Port Byron, IL?

1,643 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 22 (1.3%) from 1,665 in July 2020.

What county is Port Byron in?

Rock Island County. All of its residents live in that county.

What ZIP codes cover Port Byron?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 61275.

How far is Port Byron from Springfield?

132.2 miles (212.8 km) in a straight line, heading SSE from Port Byron.

What is the nearest larger city to Port Byron?

Le Claire, IA, with 4,776 residents, 3.1 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.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.