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HomeIllinoisMenard CountyLake Petersburg CDP

Lake Petersburg CDP, Illinois: commercial real estate data.

Lake Petersburg CDP is a Census CDP of 928 people across 1.81 square miles of land, in Menard County. Median household income is $144,375, 97.1 percent of occupied homes are owned.

48 sourced place values · tier FULL · 6 sections

Lake Petersburg

What Lake Petersburg is

  • Census place typeCDP
  • Land area1.81 sq mi
  • Water area0.28 sq mi
  • Population per square mile of land514 plus or minus 114
  • County holding the largest share of its areaMenard County, 100.0 percent

US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Lake Petersburg

How many people live in Lake Petersburg

  • Population928 plus or minus 206
  • Median age60.8
  • Population under 1891 plus or minus 56
  • Share under 189.8 percent plus or minus 5.6
  • Population 65 and over349 plus or minus 105
  • Share 65 and over37.6 percent plus or minus 7.7
  • Households420 plus or minus 93
  • Family households367 plus or minus 89
  • Share of households that are families87.4 percent

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Lake Petersburg

Income and work in Lake Petersburg

  • Median household income$144,375
  • Per capita income$70,819 plus or minus $15,913
  • Civilian labor force403 plus or minus 129
  • Employed403 plus or minus 129
  • Unemployed0
  • Unemployment rate0.0 percent
  • Adults 25 and over815 plus or minus 172
  • Adults 25 and over with a high school diploma or higher100.0 percent
  • Adults 25 and over with a bachelor degree or higher48.2 percent
  • Adults 25 and over with a graduate degree13.6 percent plus or minus 6.5

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Lake Petersburg

Housing in Lake Petersburg

  • Housing units471 plus or minus 104
  • Occupied units420 plus or minus 93
  • Vacant units51 plus or minus 59
  • Vacancy rate10.8 percent plus or minus 12.3
  • Owner occupied408 plus or minus 93
  • Renter occupied12 plus or minus 17
  • Ownership rate97.1 percent
  • Median owner-occupied home value$338,700
  • Single family units471 plus or minus 105
  • Share single family100.0 percent
  • Units in buildings of two or more0
  • Share in buildings of two or more0.0 percent
  • Mobile homes0
  • Median year structure built1977

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Lake Petersburg

How Lake Petersburg gets to work

  • Workers 16 and over who commute327 plus or minus 117
  • Commuting under 15 minutes78 plus or minus 45
  • Share commuting under 15 minutes23.9 percent plus or minus 11.0
  • Commuting 30 minutes or more223 plus or minus 107
  • Share commuting 30 minutes or more68.2 percent plus or minus 21.6
  • Drove alone78.2 percent
  • Carpooled3.0 percent plus or minus 4.1
  • Public transport0.0 percent
  • Walked0.0 percent
  • Worked from home18.9 percent plus or minus 9.7

US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Menard County, not Lake Petersburg

Menard County context, not Lake Petersburg figures

These are Menard County figures. There is no place level equivalent published for any of them, so they are shown as the county backdrop and never as Lake Petersburg measurements.

  • Establishments in Menard County207
  • Employment at those establishments, Menard County1,216
  • Covered employment, Menard County1,773
  • Average annual pay, Menard County$42,242
  • Average weekly wage, Menard County$812
  • Housing units permitted, Menard County9
  • Of those, single family, Menard County9
  • County product, 2024, Menard County$364,163,000
  • County product change over the prior year, Menard County3.4 percent
  • Average income of an arriving household, Menard County$57,964

Every figure in this section is published for Menard County as a whole and is not a measurement of Lake Petersburg. It is here because a county backdrop is what a credit committee reads a place against, and it is labelled so that it can never be quoted as the place's own.

US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual. US Bureau of Economic Analysis, Regional, table CAGDP2, CAGDP2, through 2024. US Internal Revenue Service, Statistics of Income county migration flows, 2021 to 2022 filing years.

Coverage

What this page does not hold.

Every item below could be filled with a plausible figure. None of them is. On a page a lender may read, a number that cannot be traced is worse than an absence, so the absences are named.

  • No SBA approvals are recorded to a borrower address in this place in either FOIA release.
  • This place is not listed as a community in the FEMA Community Status Book, so no NFIP participation or CRS class is shown.
  • No median gross rent is published for this place.
  • Parcel level detail, zoning and flood zone at an address are resolved in the platform, not on this page.

SBA figures count approvals to borrowers whose address is in the place. They are not approvals for projects inside the place boundary: the tape records a borrower city and a project county, and those can differ.

Common questions

Lake Petersburg questions, answered from the record.

How many people live in Lake Petersburg, Illinois?

928, in 420 households. Lake Petersburg CDP covers 1.81 square miles of land, which is 514 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

What county is Lake Petersburg in?

Menard County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.

What is the median household income in Lake Petersburg?

$144,375. The median owner-occupied home is valued at $338,700. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.

Are the county figures on this page Lake Petersburg figures?

No, and they are labelled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Menard County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Lake Petersburg.

Is zoning published for Lake Petersburg?

Not yet. The zoning layer is in build. Nothing on this page presents parcel level zoning.