Michigan county websites: security rankings

Security scores, grades, and the most common failures for 82 Michigan county government websites, from ScanGov homepage scans.

  • Sites: 82
  • Last scan: 9/20/2026

Showing Michigan county sites. All U.S. county sites

B 85

Average security score of 69 fully scanned Michigan county sites

12th

of 48 states, ranked by average security score

69 of 82

Sites fully scanned. We couldn't fully scan 13, so they're listed without grades

B 88

U.S. county average security score, 2435 fully scanned sites

Michigan's state site, michigan.gov, ranks 7th of 51 state sites with an A. State rankings.

How Michigan county security scores are distributed

Smoothed distribution of the 69 fully scanned Michigan county sites, score 0 to 100. Height shows how many sites score near each value.

  • Michigan average
  • U.S. county average
View the data table
Score rangeSites
0 to 90
10 to 190
20 to 290
30 to 390
40 to 490
50 to 590
60 to 691
70 to 7914
80 to 8944
90 to 10010

Michigan counties by security grade

Each county with a site on our list is colored by that site's grade. Select a county to open its report. The table lists every site.

Alcona County, MI: grade C, security score 71 Alger County, MI: not fully scanned, so not graded (status 997) Allegan County, MI: not fully scanned, so not graded (status 995) Alpena County, MI: grade B, security score 87 Antrim County, MI: grade B, security score 85 Arenac County, MI: grade A, security score 100 Baraga County, MI: grade B, security score 87 Barry County, MI: grade C, security score 71 Bay County, MI: grade B, security score 85 Benzie County, MI: grade B, security score 85 Berrien County, MI: grade B, security score 87 Branch County, MI: not fully scanned, so not graded (status 996) Calhoun County, MI: grade B, security score 85 Cass County, MI: grade B, security score 87 Charlevoix County, MI: grade C, security score 71 Cheboygan County, MI: grade B, security score 85 Chippewa County, MI: grade A, security score 100 Clare County, MI: grade C, security score 71 Clinton County, MI: grade B, security score 87 Crawford County, MI: grade B, security score 85 Delta County, MI: grade B, security score 87 Dickinson County, MI: grade B, security score 85 Eaton County, MI: grade B, security score 87 Emmet County, MI: grade B, security score 85 Genesee County, MI: not fully scanned, so not graded (status 998) Gladwin County, MI: grade B, security score 87 Gogebic County, MI: not fully scanned, so not graded (status 998) Grand Traverse County, MI: grade B, security score 87 Gratiot County, MI: grade C, security score 75 Hillsdale County, MI: grade A, security score 100 Houghton County, MI: grade B, security score 85 Huron County, MI: grade B, security score 87 Ingham County, MI: not fully scanned, so not graded (status 998) Ionia County, MI: not fully scanned, so not graded (status 995) Iosco County, MI: not fully scanned, so not graded (status 996) Iron County, MI: grade B, security score 85 Isabella County, MI: grade C, security score 75 Jackson County, MI: grade B, security score 87 Kalamazoo County, MI: grade B, security score 87 Kalkaska County, MI: grade C, security score 71 Kent County, MI: grade B, security score 87 Keweenaw County, MI: grade B, security score 85 Lake County, MI: grade A, security score 100 Lapeer County, MI: grade B, security score 85 Leelanau County, MI: grade B, security score 85 Lenawee County, MI: grade B, security score 87 Livingston County, MI: not fully scanned, so not graded (status 996) Luce County, MI: grade B, security score 87 Mackinac County, MI: not fully scanned, so not graded (status 995) Macomb County, MI: grade B, security score 87 Manistee County, MI: grade A, security score 100 Marquette County, MI: not fully scanned, so not graded (status 998) Mason County, MI: grade C, security score 75 Mecosta County, MI: grade B, security score 85 Menominee County, MI: grade A, security score 100 Midland County, MI: grade B, security score 85 Missaukee County, MI: grade C, security score 71 Monroe County, MI: grade B, security score 87 Montcalm County, MI: grade B, security score 87 Montmorency County, MI: grade B, security score 85 Muskegon County, MI: grade B, security score 87 Newaygo County, MI: grade B, security score 87 Oakland County, MI: not fully scanned, so not graded (status 995) Oceana County, MI: grade B, security score 85 Ogemaw County, MI: grade B, security score 85 Ontonagon County, MI: grade C, security score 71 Osceola County, MI: grade B, security score 85 Oscoda County, MI: grade C, security score 71 Otsego County, MI: grade A, security score 100 Ottawa County, MI: not fully scanned, so not graded (status 996) Presque Isle County, MI: grade B, security score 85 Roscommon County, MI: grade B, security score 87 Saginaw County, MI: grade A, security score 100 Saint Clair County, MI: grade C, security score 71 Saint Joseph County, MI: grade A, security score 100 Sanilac County, MI: grade A, security score 100 Schoolcraft County, MI: grade C, security score 71 Shiawassee County, MI: grade C, security score 71 Tuscola County, MI: grade B, security score 87 Van Buren County, MI: grade B, security score 85 Washtenaw County, MI: grade D, security score 66 Wayne County: not scanned Wexford County, MI: grade B, security score 85
  • A (90 to 100)
  • B to C (70 to 89)
  • D to F (below 70)
  • Not fully scanned
  • No site on our list

Michigan counties by security grade, compared with all U.S. counties

Share of fully scanned sites in each grade band. Michigan: 69 sites. U.S.: 2435 sites.

  1. Michigan
  2. All U.S. counties
  • A (90 to 100)
  • B to C (70 to 89)
  • D to F (below 70)
View the data table
GroupA (90 to 100)B to C (70 to 89)D to F (below 70)
Michigan14% (10)84% (58)1% (1)
All U.S. counties34% (823)65% (1,574)2% (38)

Top 3 Michigan county sites by security score

#1 in Michigan · U.S. rank 1

Arenac County, MI

A 100 security

  • Accessibility C
  • Botability B
  • Security A
  • Usability F

#1 in Michigan · U.S. rank 1

Chippewa County, MI

A 100 security

  • Accessibility A
  • Botability B
  • Security A
  • Usability C

#1 in Michigan · U.S. rank 1

Hillsdale County, MI

A 100 security

  • Accessibility A
  • Botability D
  • Security A
  • Usability F

Most common security failures among Michigan county sites

Share of the 69 fully scanned Michigan county sites failing each check. A site can fail more than one check. Each check links to its standard and how to fix it.

  1. Sponsored top-level domain (sTLD)64%
  2. Errors in the console41%
  3. Security.txt3%
  4. X-Content-Type-Options1%
View the data table
CheckShare failingSites failing
Sponsored top-level domain (sTLD)64%44
Errors in the console41%28
Security.txt3%2
X-Content-Type-Options1%1

What each check means

  • Sponsored top-level domain (sTLD). The site uses a government-issued domain (.gov, .edu, or .mil). People cannot tell if your site is real government.
  • Errors in the console. The page loads without JavaScript or network errors. Site may have hidden bugs that break features.
  • Security.txt. The site has a security.txt file so researchers know how to report issues. Security researchers cannot report problems to you.
  • X-Content-Type-Options. The site tells browsers not to guess the type of files it serves. Browsers might run dangerous files by mistake.

All Michigan county sites by security score

Rank Site Checks passed Grade
1 arenaccountymi.gov
Arenac County, MI U.S. rank 1 		8 of 8 checks pass A
1 chippewacountymi.gov
Chippewa County, MI U.S. rank 1 		8 of 8 checks pass A
1 hillsdalecounty.gov
Hillsdale County, MI U.S. rank 1 		8 of 8 checks pass A
1 lakecountymi.gov
Lake County, MI U.S. rank 1 		7 of 7 checks pass A
1 manisteecountymi.gov
Manistee County, MI U.S. rank 1 		8 of 8 checks pass A
1 menomineecountymi.gov
Menominee County, MI U.S. rank 1 		7 of 7 checks pass A
1 otsegocountymi.gov
Otsego County, MI U.S. rank 1 		8 of 8 checks pass A
1 saginawcountymi.gov
Saginaw County, MI U.S. rank 1 		7 of 7 checks pass A
1 stjosephcountymi.gov
Saint Joseph County, MI U.S. rank 1 		7 of 7 checks pass A
1 sanilaccounty.gov
Sanilac County, MI U.S. rank 1 		7 of 7 checks pass A
2 alpenacounty.org
Alpena County, MI U.S. rank 3 		7 of 8 checks pass B
2 keweenawbay.org
Baraga County, MI U.S. rank 3 		7 of 8 checks pass B
2 berriencounty.org
Berrien County, MI U.S. rank 3 		7 of 8 checks pass B
2 casscountymi.org
Cass County, MI U.S. rank 3 		7 of 8 checks pass B
2 clinton-county.org
Clinton County, MI U.S. rank 3 		7 of 8 checks pass B
2 deltacountymi.gov
Delta County, MI U.S. rank 3 		7 of 8 checks pass B
2 eatoncounty.org
Eaton County, MI U.S. rank 3 		7 of 8 checks pass B
2 gladwincounty-mi.gov
Gladwin County, MI U.S. rank 3 		7 of 8 checks pass B
2 gtcountymi.gov
Grand Traverse County, MI U.S. rank 3 		7 of 8 checks pass B
2 co.huron.mi.us
Huron County, MI U.S. rank 3 		7 of 8 checks pass B
2 mijackson.org
Jackson County, MI U.S. rank 3 		7 of 8 checks pass B
2 kalcounty.gov
Kalamazoo County, MI U.S. rank 3 		7 of 8 checks pass B
2 kentcountymi.gov
Kent County, MI U.S. rank 3 		7 of 8 checks pass B
2 lenawee.mi.us
Lenawee County, MI U.S. rank 3 		7 of 8 checks pass B
2 lucecountymi.com
Luce County, MI U.S. rank 3 		7 of 8 checks pass B
2 macombgov.org
Macomb County, MI U.S. rank 3 		7 of 8 checks pass B
2 co.monroe.mi.us
Monroe County, MI U.S. rank 3 		7 of 8 checks pass B
2 montcalm.us
Montcalm County, MI U.S. rank 3 		7 of 8 checks pass B
2 co.muskegon.mi.us
Muskegon County, MI U.S. rank 3 		7 of 8 checks pass B
2 newaygocountymi.gov
Newaygo County, MI U.S. rank 3 		7 of 8 checks pass B
2 roscommoncounty.net
Roscommon County, MI U.S. rank 3 		7 of 8 checks pass B
2 tuscolacounty.org
Tuscola County, MI U.S. rank 3 		7 of 8 checks pass B
3 antrimcountymi.gov
Antrim County, MI U.S. rank 4 		6 of 7 checks pass B
3 baycountymi.gov
Bay County, MI U.S. rank 4 		6 of 7 checks pass B
3 benzieco.gov
Benzie County, MI U.S. rank 4 		6 of 7 checks pass B
3 calhouncountymi.gov
Calhoun County, MI U.S. rank 4 		6 of 7 checks pass B
3 cheboygancounty.net
Cheboygan County, MI U.S. rank 4 		6 of 7 checks pass B
3 crawfordco.org
Crawford County, MI U.S. rank 4 		6 of 7 checks pass B
3 dickinsoncountymi.gov
Dickinson County, MI U.S. rank 4 		6 of 7 checks pass B
3 emmetcounty.org
Emmet County, MI U.S. rank 4 		6 of 7 checks pass B
3 houghtoncounty.net
Houghton County, MI U.S. rank 4 		6 of 7 checks pass B
3 ironmi.com
Iron County, MI U.S. rank 4 		6 of 7 checks pass B
3 keweenawcountyonline.org
Keweenaw County, MI U.S. rank 4 		6 of 7 checks pass B
3 lapeercountymi.gov
Lapeer County, MI U.S. rank 4 		6 of 7 checks pass B
3 leelanau.gov
Leelanau County, MI U.S. rank 4 		6 of 7 checks pass B
3 mecostacounty.org
Mecosta County, MI U.S. rank 4 		6 of 7 checks pass B
3 midlandcountymi.gov
Midland County, MI U.S. rank 4 		6 of 7 checks pass B
3 montcounty.org
Montmorency County, MI U.S. rank 4 		6 of 7 checks pass B
3 oceana.mi.us
Oceana County, MI U.S. rank 4 		6 of 7 checks pass B
3 ocmi.us
Ogemaw County, MI U.S. rank 4 		6 of 7 checks pass B
3 osceola-county.org
Osceola County, MI U.S. rank 4 		6 of 7 checks pass B
3 presqueislecounty.org
Presque Isle County, MI U.S. rank 4 		6 of 7 checks pass B
3 vanburencountymi.gov
Van Buren County, MI U.S. rank 4 		6 of 7 checks pass B
3 wexfordcounty.org
Wexford County, MI U.S. rank 4 		6 of 7 checks pass B
4 gratiotmi.com
Gratiot County, MI U.S. rank 7 		6 of 8 checks pass C
4 isabellacounty.org
Isabella County, MI U.S. rank 7 		6 of 8 checks pass C
4 masoncounty.net
Mason County, MI U.S. rank 7 		6 of 8 checks pass C
5 alconacountymi.com
Alcona County, MI U.S. rank 8 		5 of 7 checks pass C
5 barrycounty.org
Barry County, MI U.S. rank 8 		5 of 7 checks pass C
5 charlevoixcounty.org
Charlevoix County, MI U.S. rank 8 		5 of 7 checks pass C
5 clareco.net
Clare County, MI U.S. rank 8 		5 of 7 checks pass C
5 kalkaskacounty.net
Kalkaska County, MI U.S. rank 8 		5 of 7 checks pass C
5 missaukee.org
Missaukee County, MI U.S. rank 8 		5 of 7 checks pass C
5 ontonagoncounty.org
Ontonagon County, MI U.S. rank 8 		5 of 7 checks pass C
5 oscodacountymi.com
Oscoda County, MI U.S. rank 8 		5 of 7 checks pass C
5 stclaircounty.org
Saint Clair County, MI U.S. rank 8 		5 of 7 checks pass C
5 schoolcraftcounty.net
Schoolcraft County, MI U.S. rank 8 		5 of 7 checks pass C
5 shiawassee.net
Shiawassee County, MI U.S. rank 8 		5 of 7 checks pass C
6 washtenaw.org
Washtenaw County, MI U.S. rank 9 		6 of 9 checks pass D
algercounty.gov
Alger County, MI 		Not fully scanned, so not graded. We didn't scan your site because its robots.txt asks crawlers to wait longer than we can. Status 997 -
allegancounty.org
Allegan County, MI 		Not fully scanned, so not graded. We couldn't fully scan your site because it responded without any page content. Status 995 -
branchcounty.gov
Branch County, MI 		Not fully scanned, so not graded. We couldn't scan your site because it showed our bot a captcha or browser check instead of the page. Status 996 -
geneseecountymi.gov
Genesee County, MI 		Not fully scanned, so not graded. We didn't scan your site because its robots.txt asked us not to. Status 998 -
gogebic.gov
Gogebic County, MI 		Not fully scanned, so not graded. We didn't scan your site because its robots.txt asked us not to. Status 998 -
ingham.org
Ingham County, MI 		Not fully scanned, so not graded. We didn't scan your site because its robots.txt asked us not to. Status 998 -
ioniacounty.org
Ionia County, MI 		Not fully scanned, so not graded. We couldn't fully scan your site because it responded without any page content. Status 995 -
iosco.net
Iosco County, MI 		Not fully scanned, so not graded. We couldn't scan your site because it showed our bot a captcha or browser check instead of the page. Status 996 -
milivcounty.gov
Livingston County, MI 		Not fully scanned, so not graded. We couldn't scan your site because it showed our bot a captcha or browser check instead of the page. Status 996 -
mackinaccounty.net
Mackinac County, MI 		Not fully scanned, so not graded. We couldn't fully scan your site because it responded without any page content. Status 995 -
co.marquette.mi.us
Marquette County, MI 		Not fully scanned, so not graded. We didn't scan your site because its robots.txt asked us not to. Status 998 -
oakgov.com
Oakland County, MI 		Not fully scanned, so not graded. We couldn't fully scan your site because it responded without any page content. Status 995 -
miottawa.org
Ottawa County, MI 		Not fully scanned, so not graded. We couldn't scan your site because it showed our bot a captcha or browser check instead of the page. Status 996 -

About this data

ScanGov scans the homepage of each county government site on our county list in Michigan. Scores come from the checks listed on standards.scangov.org. Sites were scanned between 7/19/2026 and 9/18/2026; each site's report shows its own scan date. A site counts as fully scanned when its homepage returned successfully and sent the scanner its page content. Averages, grade shares, failure rates, and ranks use fully scanned sites only. We weren't able to fully scan 13 sites because they did not respond, blocked the scanner, or returned no page content. They appear in the table without grades, each with its scan status, and are left out of every figure. Grades follow the ScanGov grade scale, and rank follows the ScanGov ranking method. The full dataset, including every county's raw results, is published in the ScanGov data repository.