The exchange
Share data, unlock more
Every county published here is free to download and always will be. Credits are the other half of the site: contribute a county dataset and you earn them, then spend them on the things that aren't free — fresh vintages, unopened community uploads, and downloads without the ads. 2,844 counties currently pay more than the standard award for the data nobody has yet.
- Counties wanted
- 2,844
- Top multiplier
- ×3.5
- States with a bounty
- 56
- Counties published
- 1,992
How the loop works
What earns credits
Upload a county's parcel layer. It runs through containment, schema and vintage checks before anything is awarded.
- Upload passes the automated checks Geometry lands inside the county, schema and vintage hold up. +10
- Upload matches a reference copy Machine-comparable to a known-good version of the county. +40
- Upload verified by review No reference existed, so a person confirmed it. The most valuable case. +75
- The county has a bounty open Multiplies the award above, by how badly the county is wanted. ×2 – ×5
- You judged a dataset right Endorse or report what you open; paid only when a reviewer agrees. ×2 the spend
- Create an account Enough to open something and see how it works. +5
What credits buy
Nothing on this list is something you need. Published counties are free to anyone, with or without an account.
- Any published county The whole free catalog. Costs an email confirmation and some ads, not credits. Free
- The same download, without the ads The data stays free; skipping the funnel is what costs. −3
- An unverified community upload Passed the checks, not yet confirmed. Honest uncertainty, priced accordingly. −15
- A premium county A current vintage that is not part of the free release. −250
Why one county pays more than another
Bounties are computed nightly from coverage state, not curated. The multiplier tracks how hard the county is to get and how expensive it is to verify once it arrives.
×3.5
No reference copy to verify against
Nothing exists here to check an upload against, so confirming one takes a person rather than a machine. Hardest to get, dearest to verify, best paid.
1,242 open
×3
No data at all
Nothing published at all. The county is a blank on the map, and the first verified upload opens it for everybody.
1 open
×2
Newest version is stale
There is a snapshot, but it has aged past the point where it is safe to work from. A current one supersedes it.
1,601 open
Paying most right now
×3.5
Bullock County
AL · 01011
No reference copy to verify against
×3.5
Butler County
AL · 01013
No reference copy to verify against
×3.5
Dale County
AL · 01045
No reference copy to verify against
×3.5
Henry County
AL · 01067
No reference copy to verify against
×3.5
Houston County
AL · 01069
No reference copy to verify against
×3.5
Lamar County
AL · 01075
No reference copy to verify against
Every open bounty
| County | GEOID | State | Award | Reason | Open since |
|---|---|---|---|---|---|
| Clark County | 21049 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Daviess County | 21059 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-02 |
| Edmonson County | 21061 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-01 |
| Fleming County | 21069 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Floyd County | 21071 | KY | ×2 | Newest version is stale — Newest vintage is May 2021, 64 months old. | 2026-09-02 |
| Franklin County | 21073 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Fulton County | 21075 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Gallatin County | 21077 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-01 |
| Garrard County | 21079 | KY | ×2 | Newest version is stale — Newest vintage is May 2021, 64 months old. | 2026-08-02 |
| Grant County | 21081 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-02 |
| Graves County | 21083 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-02 |
| Grayson County | 21085 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Green County | 21087 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-02 |
| Greenup County | 21089 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-02 |
| Hancock County | 21091 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-02 |
| Hardin County | 21093 | KY | ×2 | Newest version is stale — Newest vintage is Jan 2022, 56 months old. | 2026-08-02 |
| Harrison County | 21097 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-01 |
| Hart County | 21099 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Henderson County | 21101 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-02 |
| Henry County | 21103 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Hickman County | 21105 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-02 |
| Jefferson County | 21111 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Jessamine County | 21113 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-02 |
| Johnson County | 21115 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Kenton County | 21117 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-02 |
| Knox County | 21121 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Larue County | 21123 | KY | ×2 | Newest version is stale — Newest vintage is Jan 2022, 56 months old. | 2026-08-02 |
| Laurel County | 21125 | KY | ×2 | Newest version is stale — Newest vintage is Sep 2021, 60 months old. | 2026-08-02 |
| Leslie County | 21131 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Letcher County | 21133 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Lewis County | 21135 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Lincoln County | 21137 | KY | ×2 | Newest version is stale — Newest vintage is May 2021, 64 months old. | 2026-08-02 |
| Logan County | 21141 | KY | ×2 | Newest version is stale — Newest vintage is Dec 2021, 57 months old. | 2026-09-02 |
| Lyon County | 21143 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Madison County | 21151 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-02 |
| Marion County | 21155 | KY | ×2 | Newest version is stale — Newest vintage is Apr 2021, 65 months old. | 2026-08-02 |
| Marshall County | 21157 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Mason County | 21161 | KY | ×2 | Newest version is stale — Newest vintage is Apr 2021, 65 months old. | 2026-09-02 |
| McCreary County | 21147 | KY | ×2 | Newest version is stale — Newest vintage is Jun 2021, 63 months old. | 2026-08-02 |
| McLean County | 21149 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Meade County | 21163 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Mercer County | 21167 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Metcalfe County | 21169 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Monroe County | 21171 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-02 |
| Montgomery County | 21173 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Morgan County | 21175 | KY | ×2 | Newest version is stale — Newest vintage is Feb 2021, 67 months old. | 2026-09-02 |
| Nelson County | 21179 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Nicholas County | 21181 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Ohio County | 21183 | KY | ×2 | Newest version is stale — Newest vintage is Oct 2020, 71 months old. | 2026-09-02 |
| Oldham County | 21185 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Owsley County | 21189 | KY | ×2 | Newest version is stale — Newest vintage is Mar 2022, 54 months old. | 2026-09-02 |
| Pendleton County | 21191 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Perry County | 21193 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-02 |
| Pulaski County | 21199 | KY | ×2 | Newest version is stale — Newest vintage is Feb 2022, 55 months old. | 2026-08-02 |
| Rowan County | 21205 | KY | ×2 | Newest version is stale — Newest vintage is Nov 2021, 58 months old. | 2026-08-02 |
| Russell County | 21207 | KY | ×2 | Newest version is stale — Newest vintage is Nov 2021, 58 months old. | 2026-08-02 |
| Scott County | 21209 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-01 |
| Simpson County | 21213 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Spencer County | 21215 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Taylor County | 21217 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-02 |
| Todd County | 21219 | KY | ×2 | Newest version is stale — Newest vintage is Dec 2021, 57 months old. | 2026-08-02 |
| Trigg County | 21221 | KY | ×2 | Newest version is stale — Newest vintage is Feb 2021, 67 months old. | 2026-08-02 |
| Trimble County | 21223 | KY | ×2 | Newest version is stale — Newest vintage is Jan 2019, 92 months old. | 2026-08-02 |
| Union County | 21225 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-02 |
| Warren County | 21227 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-09-02 |
| Washington County | 21229 | KY | ×2 | Newest version is stale — Newest vintage is May 2021, 64 months old. | 2026-09-02 |
| Wayne County | 21231 | KY | ×2 | Newest version is stale — Newest vintage is Jun 2021, 63 months old. | 2026-09-01 |
| Webster County | 21233 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Whitley County | 21235 | KY | ×2 | Newest version is stale — Newest vintage is Jun 2021, 63 months old. | 2026-09-02 |
| Woodford County | 21239 | KY | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
| Assumption Parish | 22007 | LA | ×2 | Newest version is stale — Newest vintage is Aug 2022, 49 months old. | 2026-09-02 |
| Beauregard Parish | 22011 | LA | ×2 | Newest version is stale — Newest vintage is Jan 2023, 44 months old. | 2026-08-02 |
| Caldwell Parish | 22021 | LA | ×2 | Newest version is stale — Newest vintage is Mar 2022, 54 months old. | 2026-09-01 |
| Catahoula Parish | 22025 | LA | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Concordia Parish | 22029 | LA | ×2 | Newest version is stale — Newest vintage is Dec 2021, 57 months old. | 2026-08-02 |
| East Carroll Parish | 22035 | LA | ×2 | Newest version is stale — Newest vintage is Aug 2018, 97 months old. | 2026-09-02 |
| Evangeline Parish | 22039 | LA | ×2 | Newest version is stale — Newest vintage is Nov 2020, 70 months old. | 2026-09-02 |
| Franklin Parish | 22041 | LA | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-08-02 |
| Grant Parish | 22043 | LA | ×2 | Newest version is stale — Newest vintage is Nov 2022, 46 months old. | 2026-09-02 |
| Iberia Parish | 22045 | LA | ×2 | Newest version is stale — Newest vintage is Apr 2022, 53 months old. | 2026-08-02 |
| Jackson Parish | 22049 | LA | ×2 | Newest version is stale — Newest vintage is Oct 2021, 59 months old. | 2026-09-02 |
| Lafayette Parish | 22055 | LA | ×2 | Newest version is stale — Newest vintage is Jun 2022, 51 months old. | 2026-09-02 |
| LaSalle Parish | 22059 | LA | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Lincoln Parish | 22061 | LA | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Madison Parish | 22065 | LA | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-08-02 |
| Pointe Coupee Parish | 22077 | LA | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Sabine Parish | 22085 | LA | ×2 | Newest version is stale — Newest vintage is Jun 2022, 51 months old. | 2026-09-02 |
| St. Landry Parish | 22097 | LA | ×2 | Newest version is stale — Newest vintage is Nov 2020, 70 months old. | 2026-09-02 |
| St. Martin Parish | 22099 | LA | ×2 | Newest version is stale — Newest vintage is Jan 2022, 56 months old. | 2026-09-02 |
| St. Tammany Parish | 22103 | LA | ×2 | Newest version is stale — Newest vintage is Nov 2020, 70 months old. | 2026-08-02 |
| Tensas Parish | 22107 | LA | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-01 |
| Terrebonne Parish | 22109 | LA | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-08-02 |
| Union Parish | 22111 | LA | ×2 | Newest version is stale — Newest vintage is Apr 2023, 41 months old. | 2026-09-01 |
| Vermilion Parish | 22113 | LA | ×2 | Newest version is stale — Newest vintage is Feb 2023, 43 months old. | 2026-09-02 |
| West Baton Rouge Parish | 22121 | LA | ×2 | Newest version is stale — Newest vintage is Aug 2020, 73 months old. | 2026-08-02 |
| Kennebec County | 23011 | ME | ×2 | Newest version is stale — Newest vintage is Dec 2021, 57 months old. | 2026-09-02 |
| Penobscot County | 23019 | ME | ×2 | Newest version is stale — Newest vintage is Aug 2022, 49 months old. | 2026-09-02 |
| Sagadahoc County | 23023 | ME | ×2 | Newest version is stale — Newest vintage is Dec 2021, 57 months old. | 2026-09-01 |
| Arenac County | 26011 | MI | ×2 | Newest version is stale — Newest vintage is Apr 2019, 89 months old. | 2026-08-02 |
| Baraga County | 26013 | MI | ×2 | Newest version is stale — Newest vintage is Aug 2022, 49 months old. | 2026-09-02 |
How a bounty closes
A nightly job reads coverage state and opens a bounty where there is no dataset at all, where the newest snapshot has aged past the staleness threshold, or where enough people searched for a county the site could not serve. Nobody hand-picks a county and nobody bids.
The multiplier applies to the standard upload award and stops applying the moment a version for that county reaches verified status — so the first person to fill it takes the premium, the county opens for everybody, and the site stops paying for data it now has.