Population changes, 1830-2010

Below are U.S. Census population figures for Sangamon County as a whole beginning in 1830 and for the city of Springfield alone beginning in 1840. (The 1830 Census did not separate out figures for individual communities.)

Racial designations below are those used by the Census for each respective decade. Beginning in 1980, the Census went into more detail detail for smaller population groups than is shown here. See below for link to more information.

Sangamon County
(Census count, percentage growth and population by race)
1830: Total, 12,960; white, 12,013; free colored, 34; slaves, 13
1840: Total, 14,716 (13.5%); white, 14,544; free colored, 160; slaves, 6
1850: Total, 19,228 (31%); white, 18,975; free colored, 253
1860: Total, 32,374 (68%); white 31,963; free colored, 311 (193 listed as black, 118 as mulatto)
1870: Total, 46,352 (44%); white, 45,186; black, 1,166
1880: Total, 52,984 (14%); white, 51,071; black 1,822
1890: Total, 61,195 (16%; white, 58,848; black, 2,339
1900 Total, 71,593 (17%); white, 68,840; black, 3,106
1910: Total, 91,024 (27%); white, 87,370; black, 3,633; other, 21
1920: Total, 100,262 (10%); white, 96,995; black 3,256; other, 11
1930: Total, 111,733 (11%); white, 108,046; black 3,635; other, 52
1940: Total, 117,912 (6%); white,  114,274; black, 3,609; other, 29
1950: Total, 131,484 (12%); white, 126,954; non-white, 4,530
1960: Total, 146,539 (11%); white, 140,519; non-white, 6,020
1970: Total, 161,335 (10%); white, 153,124; non-white, 7,847; other, 364
1980: Total, 176,089 (9%); white, 163,020; black, 11,400; others, 1,669 (largest groups were East Indians, 379, and Filipinos, 202)
1990: Total, 178,386 (1%); white, 162,013; black, 14,364; other, 2,009 (largest group was Asian/Pacific Islander, 1,377) )
2000: Total, 186,951 (6%); white, 163,067; black, 18,134; other, 5,750 (largest groups were multi-racial, 2,131, and Asian, 2,067)
2010: Total, 197,465 (5%); white, 165,103; black, 23,335; other, 9,027 (largest groups were multi-racial, 4,319 and Asian, 3,220). Note: The number of residents self-identified as Hispanic, a category counted for the first time in 2010, totaled 3,480, but the 2010 Census did not identify Hispanic origin as a “race.” Nationwide, the vast majority of Hispanics were classified as white or “some other race.”

Springfield
(Census count and percentage growth)
1840: 2,579
1850: 4,533 — 76%
1860: 9,320 — 106%
1870: 17,364 — 86%
1880: 19,743 — 14%
1890: 24,963 — 26%
1900: 34,159 — 37%
1910: 51,678 — 51%
1920: 59,183 — 15%
1930: 71,864 — 21%
1940: 75,503 –5%
1950: 81,628 — 8%
1960: 83,271 — 2%
1970: 91,753 — 10%
1980: 100,054 — 9%
1990: 105,227 — 5%
2000: 111, 454 — 6%
2010: 116,249 — 4%

More informationhttp://www.census.gov/prod/www/decennial.html

Sources: Sangamon County Regional Planning Commission; U.S. Census Bureau; Illinois State Historical Society

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