I can find data back to 1900 and it seems the population has held very steady since then, in the 17,000 - 18,000 range. I would guess that the population was roughly 17,000 in 1880.
Jane E. Hall has written: '30 bicycle tours in Wisconsin' -- subject(s): Bicycle touring, Guidebooks 'Name index to The history of Waukesha County, Wisconsin, 1880' -- subject(s): Biography, History, Indexes, Wisconsin History of Waukesha County 'The Art and Embroidery of Jane Hall'
Sacred Heart College - Wisconsin - was created in 1880.
1880
Essex County Railroad ended in 1880.
Otsego County Courthouse was created in 1880.
Mary C. Moody has written: 'Every name index to the 1880 Leon County, Texas federal census' -- subject(s): Census, 10th, 1880, Census, 1880, Genealogy, Indexes, Registers of births 'Every name index to the 1880 Caldwell County, Texas federal census' -- subject(s): Census, 10th, 1880, Census, 1880, Genealogy, Indexes, Registers of births '1890 Limestone County, Texas, census' -- subject(s): Census, 11th, 1890, Census, 1890, Genealogy, Registers of births '1890 Caldwell County, Texas census, uniquely reconstructed & annotated' -- subject(s): Census, 11th, 1890, Census, 1890, Genealogy, Registers of births 'Every name index to the 1880 Walker County, Texas federal census' -- subject(s): Census, 10th, 1880, Census, 1880, Genealogy, Indexes, Registers of births 'Every name index to the 1880 Hamilton County, Texas federal census' -- subject(s): Census, 10th, 1880, Census, 1880, Genealogy, Indexes, Registers of births 'Every name index to the 1880 Montgomery County, Texas federal census' -- subject(s): Census, 10th, 1880, Census, 1880, Genealogy, Indexes, Personal Names, Registers of births '1890 Montgomery County, Texas census uniquely reconstructed & annotated' -- subject(s): Census, 11th, 1890, Census, 1890, Genealogy, Registers of births
Janice Roseberry has written: '1880 census, Sullivan County, Indiana' -- subject(s): Census, 10th, 1880, Census, 1880, Genealogy, Registers of births
less than 2000
Barbara Bennett Thompson has written: '1880 census of Columbia County, Oregon' -- subject(s): Census, 10th, 1880, Census, 1880, Genealogy, Registers of births
Jerald Ramsey has written: 'Index to the 1880 census of Hardin County, Ohio' -- subject(s): Census, 10th, 1880, Census, 1880, Genealogy, Indexes, Registers of births
Sue Durbin has written: '1880 United States census of Moultrie County, Illinois' -- subject(s): Census, 10th, 1880, Census, 1880, Genealogy, Registers of births
In 1870, Los Angeles had a population of 5,728. By 1880, the population had increased to 11,183. Therefore, there were 5,455 more people living in Los Angeles in 1880 than in 1870.