Last official estimated population of Edgar County was 18,505 (year 2014)[1]. This was 0.006% of total US population and 0.1% of total Illinois state population. Area of Edgar County is 624.0 mi² (=1616.1 km²), in this year population density was 29.66 p/mi². If population growth rate would be same as in period 2010-2014 (-0.1%/yr), Edgar County population in 2026 would be 18,294 [0].
Historical population of Edgar County for period 1830-2014 [1] , [2] , [3]:
Estimated population for 2014[1]. Population density is in p./sq.mi [4]. Changes are for period 2010-2015. Value is %/year. Boundary lines are approx. 2012 [5]. Click on flag to hide it.
Population • Density • Changes • Legends • Position

[1830-1840] +7.29 %/yr
[1840-1850] +2.66 %/yr
[1850-1860] +4.7 %/yr
[1860-1870] +2.4 %/yr
[1870-1880] +1.74 %/yr
[1880-1890] +0.49 %/yr
[1890-1900] +0.54 %/yr
[1900-1910] -0.34 %/yr
[1910-1920] -0.59 %/yr
[1920-1930] -0.32 %/yr
[1930-1940] -0.22 %/yr
[1940-1950] -0.43 %/yr
[1950-1960] -0.37 %/yr
[1960-1970] -0.43 %/yr
[1970-1980] +0.06 %/yr
[1980-1990] -1.03 %/yr
[1990-2000] +0.02 %/yr
[2000-2005] -0.68 %/yr
[2005-2010] -0.44 %/yr
[2010-2014] -0.1 %/yr
Looking for settlements in Edgar County? Visit this page: Settlements in Edgar County, IL
Population of Edgar County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 434 | 454 | 888 |
| 5 to 9 | 524 | 539 | 1,063 |
| 10 to 14 | 556 | 553 | 1,109 |
| 15 to 19 | 534 | 523 | 1,057 |
| 20 to 24 | 472 | 479 | 951 |
| 25 to 29 | 469 | 481 | 950 |
| 30 to 34 | 496 | 532 | 1,028 |
| 35 to 39 | 501 | 491 | 992 |
| 40 to 44 | 588 | 536 | 1,124 |
| 45 to 49 | 518 | 503 | 1,021 |
| 50 to 54 | 676 | 684 | 1,360 |
| 55 to 59 | 692 | 714 | 1,406 |
| 60 to 64 | 645 | 616 | 1,261 |
| 65 to 69 | 510 | 570 | 1,080 |
| 70 to 74 | 418 | 465 | 883 |
| 75 to 79 | 265 | 378 | 643 |
| 80 to 84 | 187 | 273 | 460 |
| 85+ | 163 | 402 | 565 |
Edgar County resident population estimates by Sex, Race, and Hispanic Origin[1b]. For full list of abbrevations see: population.us/about page.
| Race | Male | Female | Total |
| WAC | 8561 | 9101 | 17,662 |
| NH | 8569 | 9090 | 17,659 |
| WA | 8493 | 9033 | 17,526 |
| NHWAC | 8487 | 9009 | 17,496 |
| NHWA | 8420 | 8943 | 17,363 |
| H | 79 | 103 | 182 |
| HWAC | 74 | 92 | 166 |
| HWA | 73 | 90 | 163 |
| BAC | 75 | 77 | 152 |
| NHBAC | 73 | 73 | 146 |
| TOM | 71 | 73 | 144 |
| NHTOM | 70 | 71 | 141 |
| IAC | 51 | 41 | 92 |
| BA | 43 | 43 | 86 |
| NHIAC | 47 | 35 | 82 |
| NHBA | 42 | 40 | 82 |
| AAC | 31 | 44 | 75 |
| NHAAC | 31 | 42 | 73 |
| AA | 16 | 27 | 43 |
| NHAA | 16 | 26 | 42 |
| IA | 22 | 16 | 38 |
| NHIA | 18 | 10 | 28 |
| HIA | 4 | 6 | 10 |
| HIAC | 4 | 6 | 10 |
| NAC | 5 | 3 | 8 |
| NHNAC | 5 | 2 | 7 |
| HBAC | 2 | 4 | 6 |
| NA | 3 | 1 | 4 |
| HBA | 1 | 3 | 4 |
| NHNA | 3 | 0 | 3 |
| HTOM | 1 | 2 | 3 |
| HAAC | 0 | 2 | 2 |
| HNAC | 0 | 1 | 1 |
| HAA | 0 | 1 | 1 |
| HNA | 0 | 1 | 1 |
• Champaign County population
39.7 mi,
323°
• Vigo County
25.7 mi,
132°
• Vermilion County
35.1 mi,
1°
• Coles County
27.7 mi,
245°
• Clay County
39 mi,
120°
• Douglas County
26 mi,
283°
• Parke County
30 mi,
77°
• Clark County
24.1 mi,
185°
• Vermillion County
19.4 mi,
51°
• Cumberland County
38.5 mi,
223°
[0] Calculated by population.us from last known population growth rate, not official data.
[1] County population - 2014, archived from the original, retrieved 02/23/2016
[1b] Annual County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin, (used only data for 2014) archived from the original, retrieved 02/23/2016
[2] County population - 2000-2010, archived from the original, retrieved 02/23/2016
[3] Population of States and Counties of the United States: 1790 to 1992, PDF, 15 Mb, census.gov, retrieved 02/23/2016
[4] County area, latitude longitude data, retrieved 02/23/2016
[5] County boundaries, CSV files on boundaries.us, retrived 03/18/2016
*Clark Illinois Notes
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