58 attribute fields, profiled from the April 2018 vintage.
Columns in Linn County
| Field | Type | Filled | Distinct | Example values |
|---|---|---|---|---|
| OGC_FID | OFTInteger64 | 50.0k | 1, 2, 3 | |
| OBJECTID | OFTInteger64 | 50.0k | 61246, 61249, 61250 | |
| GPN | OFTString | 50.0k | 202925100100000, 203012600100000, 203020100800000 | |
| SITUSADDRE | OFTString | 50.0k | 700 G ST, 1655 GSTC BLVD, 1740 COMMERCIAL DR | |
| SITUSCITY | OFTString | 31 | WALFORD, WALFORD, WALFORD | |
| SITUSZIP | OFTString | 31 | 52351, 52351, 52351 | |
| OWNER | OFTString | 50.0k | FLAHERTY MARGARET, FLAHERTY MARGARET, BROWN KEITH R | |
| OWNERATTEN | OFTString | 2.8k | % SCOTT CORNISH, CITY CLERK, C/O RAYMOND LARSON | |
| OWNERADDRE | OFTString | 50.0k | PO BOX 123, PO BOX 123, PO BOX 130 | |
| OWNERCITY | OFTString | 952 | FAIRFAX, FAIRFAX, WALFORD | |
| OWNERSTATE | OFTString | 55 | IA, IA, IA | |
| OWNERZIP | OFTString | 3.5k | 52228, 52228, 52351 | |
| LEGALDESCR | OFTString | 50.0k | SW NW SEC 29 TWP 82 R 8, NW NE-LYG NW'LY OF RR & EX HWY SEC 30 TWP 82 R 8, P.O.S. #410 PARCEL A N198' EX RD | |
| SECTION | OFTInteger64 | 36 | 29, 30, 30 | |
| TOWNSHIP | OFTInteger64 | 5 | 82, 82, 82 | |
| RANGE | OFTInteger64 | 4 | 8, 8, 8 | |
| CITYCOUNCI | OFTString | 9 | CR5, CR5, CR5 | |
| SUPERVISOR | OFTString | 5 | 5, 5, 5 | |
| HOUSEDISTR | OFTString | 7 | 69, 69, 69 | |
| SENATEDIST | OFTString | 4 | 35, 35, 35 | |
| SCHOOLDIST | OFTString | 14 | COLLEGE COMMUNITY, COLLEGE COMMUNITY, COLLEGE COMMUNITY | |
| ELEMENTARY | OFTString | 42 | CREST | HEIGHTS | HILL | RIDGE | VIEW, CREST | HEIGHTS | HILL | RIDGE | VIEW, CREST | HEIGHTS | HILL | RIDGE | VIEW | |
| MIDDLESCHO | OFTString | 20 | CREEK | POINT, CREEK | POINT, CREEK | POINT | |
| HIGHSCHOOL | OFTString | 16 | PRAIRIE HIGH SCHOOL, PRAIRIE HIGH SCHOOL, PRAIRIE HIGH SCHOOL | |
| ASSESSOR | OFTString | 2 | LN, LN, LN | |
| CLASS | OFTString | 9 | AGRICULTURAL, AGRICULTURAL, RESIDENTIAL | |
| CITYTOWNSH | OFTString | 42 | FAIRFAX TOWNSHIP, FAIRFAX TOWNSHIP, CITY OF WALFORD | |
| TAXDISTRIC | OFTString | 291 | 03100, 03100, 10600 | |
| TAXDIST_01 | OFTString | 291 | 03100-FAIRFAX TWP/COLLEGE SCH, 03100-FAIRFAX TWP/COLLEGE SCH, 10600-WALFORD CITY/COLLEGE SCH | |
| ASSESSEDYE | OFTInteger64 | 1 | 2017, 2017, 2017 | |
| CURRENTLAN | OFTInteger64 | 2.9k | 106100, 51700, 35800 | |
| CURRENTIMP | OFTInteger64 | 6.0k | 0, 100, 192300 | |
| CURRENTTOT | OFTInteger64 | 7.1k | 106100, 51800, 228100 | |
| TAXYEAR | OFTInteger64 | 1 | 2018, 2018, 2018 | |
| TAXGROSS | OFTReal | 40.0k | 1544.48, 744.84, 4011.09 | |
| TAXPAYABLE | OFTReal | 8.7k | 1422.0, 686.0, 3854.0 | |
| TAXABLEVAL | OFTInteger64 | 19.7k | 57769, 28204, 126871 | |
| LEVYRATEYE | OFTInteger64 | 1 | 2018, 2018, 2018 | |
| LEVYRATE | OFTReal | 120 | 0.027656, 0.027656, 0.03239 | |
| HOMESTEAD | OFTString | 2 | N, N, Y | |
| MILITARY | OFTString | 2 | N, N, N | |
| FARM | OFTString | 2 | Y, Y, N | |
| ASSESSEDAC | OFTReal | 3.7k | 39.0, 20.93, 1.15 | |
| CORNSUITAB | OFTString | 2.7k | 89.160000, 0, 0 | |
| FORESTRESE | OFTReal | 1 | 0.0, 0.0, 0.0 | |
| BOOK | OFTString | 7.9k | 3360, 3329, 8919 | |
| PAGE | OFTString | 1.4k | 0028, 0333, 77 | |
| RECORDEDDA | OFTString | 12.1k | 1996-07-02, 1996-05-07, 2014-03-10 | |
| DATEOFINST | OFTString | 12.6k | 1996-07-02, 1996-05-07, 2013-02-25 | |
| TAXSYSTEMD | OFTString | 1 | 15228976, 15228976, 15228976 | |
| PROBLEMDOC | OFTString | — | ||
| ASSESSORLI | OFTString | 50.0k | ||
| RECORDERLI | OFTString | 50.0k | ||
| PROPERTYPH | OFTString | 50.0k | ||
| PROPERT_01 | OFTString | 1.5k | 13436928, 14787360, 14787360 | |
| MODIFIEDDA | OFTString | 1 | 15229282, 15229282, 15229282 | |
| STAREA() | OFTReal | 50.0k | 1715752.191406, 924418.205078, 50100.548828 | |
| STLENGTH() | OFTReal | 50.0k | 5239.654334, 4740.082992, 902.059935 |
Why this differs from the next county over
There is no national parcel schema. Every assessor's office built its own, usually decades ago, usually inside whatever CAMA system it bought at the time. One county's owner column is OWNER_NAME, the next one's is own1, and a third splits it across four fields. Shapefile's ten-character DBF limit truncated a generation of them into things like TOTLNDVAL.
Nothing here is renamed or remapped. The columns above are exactly what is in the file, because a normalisation layer that quietly guesses wrong is worse than no normalisation at all — and every guess it makes is one you cannot audit.
The Filled column is the share of rows with a real value. Placeholder text such as n/a counts as empty; a column that is 100% present but 90% placeholder is a column that will disappoint you, and the profiler treats it accordingly.