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 |
|---|---|---|---|---|---|
| Cassia County | 16031 | ID | ×2 | Newest version is stale — Newest vintage is Apr 2022, 53 months old. | 2026-09-02 |
| Clark County | 16033 | ID | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Elmore County | 16039 | ID | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Franklin County | 16041 | ID | ×2 | Newest version is stale — Newest vintage is Jan 2022, 56 months old. | 2026-09-01 |
| Gem County | 16045 | ID | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-01 |
| Gooding County | 16047 | ID | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-08-02 |
| Jefferson County | 16051 | ID | ×2 | Newest version is stale — Newest vintage is Jan 2022, 56 months old. | 2026-09-01 |
| Jerome County | 16053 | ID | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Kootenai County | 16055 | ID | ×2 | Newest version is stale — Newest vintage is Jan 2023, 44 months old. | 2026-09-01 |
| Latah County | 16057 | ID | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-08-02 |
| Lewis County | 16061 | ID | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-08-02 |
| Lincoln County | 16063 | ID | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-08-02 |
| Madison County | 16065 | ID | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-01 |
| Minidoka County | 16067 | ID | ×2 | Newest version is stale — Newest vintage is Aug 2021, 61 months old. | 2026-09-02 |
| Oneida County | 16071 | ID | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Payette County | 16075 | ID | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Power County | 16077 | ID | ×2 | Newest version is stale — Newest vintage is Aug 2021, 61 months old. | 2026-09-02 |
| Shoshone County | 16079 | ID | ×2 | Newest version is stale — Newest vintage is Aug 2021, 61 months old. | 2026-09-02 |
| Twin Falls County | 16083 | ID | ×2 | Newest version is stale — Newest vintage is Sep 2017, 108 months old. | 2026-08-02 |
| Washington County | 16087 | ID | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-08-02 |
| Alexander County | 17003 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-08-02 |
| Boone County | 17007 | IL | ×2 | Newest version is stale — Newest vintage is Aug 2021, 61 months old. | 2026-09-02 |
| Brown County | 17009 | IL | ×2 | Newest version is stale — Newest vintage is Sep 2022, 48 months old. | 2026-09-01 |
| Bureau County | 17011 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Calhoun County | 17013 | IL | ×2 | Newest version is stale — Newest vintage is Jun 2023, 39 months old. | 2026-08-02 |
| Carroll County | 17015 | IL | ×2 | Newest version is stale — Newest vintage is Jun 2021, 63 months old. | 2026-08-02 |
| Cass County | 17017 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Champaign County | 17019 | IL | ×2 | Newest version is stale — Newest vintage is Dec 2022, 45 months old. | 2026-08-02 |
| Christian County | 17021 | IL | ×2 | Newest version is stale — Newest vintage is Apr 2022, 53 months old. | 2026-08-02 |
| Clay County | 17025 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-01 |
| Clinton County | 17027 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Coles County | 17029 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Cook County | 17031 | IL | ×2 | Newest version is stale — Newest vintage is May 2021, 64 months old. | 2026-09-02 |
| Crawford County | 17033 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Cumberland County | 17035 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| DeKalb County | 17037 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Douglas County | 17041 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Edgar County | 17045 | IL | ×2 | Newest version is stale — Newest vintage is Apr 2022, 53 months old. | 2026-08-02 |
| Edwards County | 17047 | IL | ×2 | Newest version is stale — Newest vintage is Feb 2022, 55 months old. | 2026-08-02 |
| Effingham County | 17049 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Fayette County | 17051 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Franklin County | 17055 | IL | ×2 | Newest version is stale — Newest vintage is Sep 2022, 48 months old. | 2026-09-02 |
| Fulton County | 17057 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Gallatin County | 17059 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Greene County | 17061 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Hamilton County | 17065 | IL | ×2 | Newest version is stale — Newest vintage is Aug 2021, 61 months old. | 2026-09-02 |
| Hancock County | 17067 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-01 |
| Hardin County | 17069 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Henderson County | 17071 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-08-02 |
| Henry County | 17073 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Iroquois County | 17075 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Jasper County | 17079 | IL | ×2 | Newest version is stale — Newest vintage is Apr 2022, 53 months old. | 2026-08-02 |
| Jefferson County | 17081 | IL | ×2 | Newest version is stale — Newest vintage is Aug 2021, 61 months old. | 2026-08-02 |
| Jersey County | 17083 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-01 |
| Johnson County | 17087 | IL | ×2 | Newest version is stale — Newest vintage is Dec 2022, 45 months old. | 2026-09-02 |
| Kane County | 17089 | IL | ×2 | Newest version is stale — Newest vintage is Dec 2022, 45 months old. | 2026-09-02 |
| Knox County | 17095 | IL | ×2 | Newest version is stale — Newest vintage is Nov 2022, 46 months old. | 2026-08-02 |
| LaSalle County | 17099 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Lawrence County | 17101 | IL | ×2 | Newest version is stale — Newest vintage is Nov 2022, 46 months old. | 2026-08-02 |
| Lee County | 17103 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Logan County | 17107 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-08-02 |
| Macon County | 17115 | IL | ×2 | Newest version is stale — Newest vintage is Jan 2022, 56 months old. | 2026-09-02 |
| Macoupin County | 17117 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-08-02 |
| Marion County | 17121 | IL | ×2 | Newest version is stale — Newest vintage is Nov 2021, 58 months old. | 2026-08-02 |
| Marshall County | 17123 | IL | ×2 | Newest version is stale — Newest vintage is Jun 2021, 63 months old. | 2026-08-02 |
| Mason County | 17125 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Massac County | 17127 | IL | ×2 | Newest version is stale — Newest vintage is Jan 2023, 44 months old. | 2026-09-02 |
| McDonough County | 17109 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| McLean County | 17113 | IL | ×2 | Newest version is stale — Newest vintage is Feb 2020, 79 months old. | 2026-09-01 |
| Menard County | 17129 | IL | ×2 | Newest version is stale — Newest vintage is Mar 2022, 54 months old. | 2026-09-02 |
| Mercer County | 17131 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Morgan County | 17137 | IL | ×2 | Newest version is stale — Newest vintage is Jul 2020, 74 months old. | 2026-09-02 |
| Moultrie County | 17139 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Ogle County | 17141 | IL | ×2 | Newest version is stale — Newest vintage is Jun 2021, 63 months old. | 2026-09-02 |
| Peoria County | 17143 | IL | ×2 | Newest version is stale — Newest vintage is Apr 2022, 53 months old. | 2026-08-02 |
| Perry County | 17145 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Piatt County | 17147 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Pike County | 17149 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Pope County | 17151 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Pulaski County | 17153 | IL | ×2 | Newest version is stale — Newest vintage is Nov 2019, 82 months old. | 2026-08-02 |
| Putnam County | 17155 | IL | ×2 | Newest version is stale — Newest vintage is Feb 2021, 67 months old. | 2026-09-02 |
| Rock Island County | 17161 | IL | ×2 | Newest version is stale — Newest vintage is Sep 2020, 72 months old. | 2026-09-02 |
| Saline County | 17165 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-08-02 |
| Schuyler County | 17169 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Scott County | 17171 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Shelby County | 17173 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Stark County | 17175 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Stephenson County | 17177 | IL | ×2 | Newest version is stale — Newest vintage is Aug 2021, 61 months old. | 2026-09-02 |
| Tazewell County | 17179 | IL | ×2 | Newest version is stale — Newest vintage is Jan 2023, 44 months old. | 2026-09-02 |
| Union County | 17181 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Vermilion County | 17183 | IL | ×2 | Newest version is stale — Newest vintage is Apr 2022, 53 months old. | 2026-09-02 |
| Wabash County | 17185 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-01 |
| Warren County | 17187 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-08-02 |
| Washington County | 17189 | IL | ×2 | Newest version is stale — Newest vintage is Aug 2022, 49 months old. | 2026-09-02 |
| Wayne County | 17191 | IL | ×2 | Newest version is stale — Newest vintage is Oct 2022, 47 months old. | 2026-09-02 |
| Whiteside County | 17195 | IL | ×2 | Newest version is stale — Newest vintage is Aug 2021, 61 months old. | 2026-08-02 |
| Will County | 17197 | IL | ×2 | Newest version is stale — Newest vintage is Jul 2023, 38 months old. | 2026-08-02 |
| Winnebago County | 17201 | IL | ×2 | Newest version is stale — Newest vintage is Aug 2021, 61 months old. | 2026-09-02 |
| Woodford County | 17203 | IL | ×2 | Newest version is stale — Newest vintage is Jun 2021, 63 months old. | 2026-09-02 |
| Adams County | 18001 | IN | ×2 | Newest version is stale — Newest vintage is May 2022, 52 months old. | 2026-08-02 |
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.